Fluency & Readiness Index

Why this unlocks Lesson 1.1: This lesson builds on 4 skills from earlier math. Start with “Multiply a one-digit number by a multiple of 10”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 1.2: This lesson builds on 4 skills from earlier math. Start with “Find a unit fraction of a whole number by dividing”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 1.3: This lesson builds on 4 skills from earlier math. Start with “Multiply a decimal by 10 and by 100”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal.

Why this unlocks Lesson 1.4: This lesson builds on 4 skills from earlier math. Start with “Multiply three whole numbers in any order”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Add a list of numbers to a running total.

Why this unlocks Lesson 1.5: This lesson builds on 4 skills from earlier math. Start with “Multiply a decimal money value by 100”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 1.6: This lesson builds on 4 skills from earlier math. Start with “Multiply to find the total in equal groups”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 2.1: This lesson builds on 4 skills from earlier math. Start with “Order a list of up to 10 whole numbers least to greatest”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Order a list of numbers least to greatest.

Why this unlocks Lesson 2.2: This lesson builds on 4 skills from earlier math. Start with “Decide which interval a value belongs to (is 19 in 10–19 or 20–29?)”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total.

Why this unlocks Lesson 2.3: This lesson builds on 4 skills from earlier math. Start with “Order up to 12 numbers least to greatest”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Order a list of numbers least to greatest.

Why this unlocks Lesson 2.4: This lesson builds on 4 skills from earlier math. Start with “Order a data set and find its median”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Order a list of numbers least to greatest.

Why this unlocks Lesson 2.5: This lesson builds on 4 skills from earlier math. Start with “Find the maximum and minimum of a data set”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Order a list of numbers least to greatest.

Why this unlocks Lesson 2.6: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication and division facts through 12 × 12”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 2.7: This lesson builds on 4 skills from earlier math. Start with “Recall division facts through 12 × 12”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal.

Why this unlocks Lesson 2.8: This lesson builds on 4 skills from earlier math. Start with “Add a list of 5–10 two-digit numbers accurately”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total.

Why this unlocks Lesson 2.9: This lesson builds on 4 skills from earlier math. Start with “Find the mean of a data set”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total.

Why this unlocks Lesson 2.10: This lesson builds on 4 skills from earlier math. Start with “Compute mean, median, range, IQR, and MAD on demand”, then the rest, so lesson time goes to the new idea.

Why this unlocks Lesson 2.11: This lesson builds on 4 skills from earlier math. Start with “Name the place value of each digit in a decimal through thousandths”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total.

Why this unlocks Lesson 2.12: This lesson builds on 4 skills from earlier math. Start with “Multiply a multi-digit whole number by a two-digit whole number”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide by 10, 100, and 1000 by shifting the decimal.

Why this unlocks Lesson 3.1: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication facts through 12 × 12”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 3.2: This lesson builds on 4 skills from earlier math. Start with “Divide a multi-digit number by a one- or two-digit number”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 3.3: This lesson builds on 4 skills from earlier math. Start with “Multiply both numbers of a pair by the same factor”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.4: This lesson builds on 4 skills from earlier math. Start with “Plot a point in Quadrant I from an ordered pair”, then the rest, so lesson time goes to the new idea. The core skill behind it: Scale a pair of numbers by the same factor; Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 3.5: This lesson builds on 4 skills from earlier math. Start with “Compare two whole numbers”, then the rest, so lesson time goes to the new idea. The core skill behind it: Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.6: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication and division facts”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide by 10, 100, and 1000 by shifting the decimal; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.7: This lesson builds on 4 skills from earlier math. Start with “Multiply a whole number by a decimal”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.8: This lesson builds on 4 skills from earlier math. Start with “Divide a money amount by a whole number”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.9: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication and division facts through 12 × 12”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 3.10: This lesson builds on 4 skills from earlier math. Start with “Recall common customary relationships: 12 in = 1 ft, 3 ft = 1 yd, 16 oz = 1 lb, 4 qt = 1 gal”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Scale a pair of numbers by the same factor.

Why this unlocks Lesson 4.1: This lesson builds on 4 skills from earlier math. Start with “Read and write a fraction with denominator 100”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Move among a fraction, a decimal, and a percent.

Why this unlocks Lesson 4.2: This lesson builds on 4 skills from earlier math. Start with “Multiply and divide by 100 by shifting the decimal point”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Order a list of numbers least to greatest; Move among a fraction, a decimal, and a percent.

Why this unlocks Lesson 4.3: This lesson builds on 4 skills from earlier math. Start with “Find 10% of a number by shifting the decimal one place left”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide by 10, 100, and 1000 by shifting the decimal; Move among a fraction, a decimal, and a percent.

Why this unlocks Lesson 4.4: This lesson builds on 4 skills from earlier math. Start with “Write a percent as a decimal”, then the rest, so lesson time goes to the new idea. The core skill behind it: Move among a fraction, a decimal, and a percent; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 4.5: This lesson builds on 4 skills from earlier math. Start with “Divide a whole number by a decimal”, then the rest, so lesson time goes to the new idea. The core skill behind it: Move among a fraction, a decimal, and a percent; Name the inverse of an operation and check by substituting back; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 5.1: This lesson builds on 4 skills from earlier math. Start with “Multiply two- and three-digit numbers”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.2: This lesson builds on 4 skills from earlier math. Start with “Multiply, then halve — or halve, then multiply”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Find the area of a rectangle and of a triangle; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 5.3: This lesson builds on 4 skills from earlier math. Start with “Add the two numbers inside parentheses before multiplying”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents; Find the area of a rectangle and of a triangle; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 5.4: This lesson builds on 4 skills from earlier math. Start with “Find the area of rectangles, triangles, and trapezoids on demand”, then the rest, so lesson time goes to the new idea. The core skill behind it: Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.5: This lesson builds on 4 skills from earlier math. Start with “Multiply three factors in any order”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 5.6: This lesson builds on 4 skills from earlier math. Start with “Name the faces, edges, and vertices of a prism and a pyramid”, then the rest, so lesson time goes to the new idea. The core skill behind it: Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.7: This lesson builds on 4 skills from earlier math. Start with “Add a list of five or six areas”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total; Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.8: This lesson builds on 4 skills from earlier math. Start with “Find the area of a triangle”, then the rest, so lesson time goes to the new idea. The core skill behind it: Add a list of numbers to a running total; Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.9: This lesson builds on 4 skills from earlier math. Start with “Find the area of a triangle with A = ½ × base × height”, then the rest, so lesson time goes to the new idea. The core skill behind it: Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 5.10: This lesson builds on 4 skills from earlier math. Start with “Rewrite a mixed number as an improper fraction”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide with fractions and mixed numbers; Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 6.1: This lesson builds on 4 skills from earlier math. Start with “Divide decimals and whole numbers”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 6.2: This lesson builds on 4 skills from earlier math. Start with “Rewrite a mixed number as an improper fraction”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 6.3: This lesson builds on 4 skills from earlier math. Start with “Multiply the same factor repeatedly”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Multiply and divide by 10, 100, and 1000 by shifting the decimal.

Why this unlocks Lesson 6.4: This lesson builds on 4 skills from earlier math. Start with “Evaluate a power”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents.

Why this unlocks Lesson 6.5: This lesson builds on 4 skills from earlier math. Start with “Substitute a number for a letter, then compute”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents.

Why this unlocks Lesson 6.6: This lesson builds on 4 skills from earlier math. Start with “Combine like terms such as 5x + 2x”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents.

Why this unlocks Lesson 6.7: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication and division facts”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 6.8: This lesson builds on 4 skills from earlier math. Start with “Find the GCF of two numbers”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents.

Why this unlocks Lesson 6.9: This lesson builds on 4 skills from earlier math. Start with “Count how many unit fractions make one whole”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide with fractions and mixed numbers; Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 6.10: This lesson builds on 4 skills from earlier math. Start with “Rewrite a mixed number as an improper fraction”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 6.11: This lesson builds on 4 skills from earlier math. Start with “Name the total (dividend) and the group size (divisor) in a story”, then the rest, so lesson time goes to the new idea. The core skill behind it: Multiply and divide with fractions and mixed numbers; Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 6.12: This lesson builds on 4 skills from earlier math. Start with “Skip-count to list the multiples of a number”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 6.13: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication facts through 12 × 12 to split a number into a factor pair”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 6.14: This lesson builds on 4 skills from earlier math. Start with “Multiply a one-digit number by a multiple of ten and add the partial products”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12.

Why this unlocks Lesson 6.15: This lesson builds on 4 skills from earlier math. Start with “Name the coefficient, variable and constant in an expression”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents.

Why this unlocks Lesson 7.1: This lesson builds on 4 skills from earlier math. Start with “Place whole numbers on a number line”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 7.2: This lesson builds on 4 skills from earlier math. Start with “Place fractions and decimals between whole numbers”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Move among a fraction, a decimal, and a percent.

Why this unlocks Lesson 7.3: This lesson builds on 4 skills from earlier math. Start with “Count the distance between two points on a number line”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 7.4: This lesson builds on 4 skills from earlier math. Start with “Use < and > correctly”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it; Order a list of numbers least to greatest; Move among a fraction, a decimal, and a percent.

Why this unlocks Lesson 7.5: This lesson builds on 4 skills from earlier math. Start with “Plot ordered pairs in Quadrant I”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 7.6: This lesson builds on 4 skills from earlier math. Start with “Subtract integers on a number line”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 7.7: This lesson builds on 4 skills from earlier math. Start with “Plot several points and connect them in order”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane; Add a list of numbers to a running total; Find the area of a rectangle and of a triangle.

Why this unlocks Lesson 7.8: This lesson builds on 4 skills from earlier math. Start with “Plot and read a point in Quadrant I: across first, then up”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane; Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 7.9: This lesson builds on 4 skills from earlier math. Start with “Name the quadrant of a point from the signs of its coordinates”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 8.1: This lesson builds on 4 skills from earlier math. Start with “Substitute a value into an expression and evaluate”, then the rest, so lesson time goes to the new idea. The core skill behind it: Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 8.2: This lesson builds on 4 skills from earlier math. Start with “Recall addition and subtraction facts and their inverses”, then the rest, so lesson time goes to the new idea. The core skill behind it: Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 8.3: This lesson builds on 4 skills from earlier math. Start with “Recall multiplication and division facts”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Name the inverse of an operation and check by substituting back; Multiply and divide with fractions and mixed numbers.

Why this unlocks Lesson 8.4: This lesson builds on 4 skills from earlier math. Start with “Use <, >, ≤, and ≥ correctly”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 8.5: This lesson builds on 4 skills from earlier math. Start with “Mark a boundary point on a number line and shade one direction”, then the rest, so lesson time goes to the new idea. The core skill behind it: Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 8.6: This lesson builds on 4 skills from earlier math. Start with “Solve a one-step equation with an inverse operation”, then the rest, so lesson time goes to the new idea. The core skill behind it: Name the inverse of an operation and check by substituting back; Place a number on a scaled number line and read distance from it.

Why this unlocks Lesson 8.7: This lesson builds on 4 skills from earlier math. Start with “Translate at most, at least, more than and fewer than into inequality symbols”, then the rest, so lesson time goes to the new idea. The core skill behind it: Name the inverse of an operation and check by substituting back.

Why this unlocks Lesson 9.1: This lesson builds on 4 skills from earlier math. Start with “Evaluate an expression for several input values”, then the rest, so lesson time goes to the new idea. The core skill behind it: Recall multiplication and division facts through 12 × 12; Scale a pair of numbers by the same factor; Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 9.2: This lesson builds on 4 skills from earlier math. Start with “Plot ordered pairs taken from a table”, then the rest, so lesson time goes to the new idea. The core skill behind it: Plot and read ordered pairs on a coordinate plane.

Why this unlocks Lesson 9.3: This lesson builds on 4 skills from earlier math. Start with “Find the unit rate from a table”, then the rest, so lesson time goes to the new idea. The core skill behind it: Scale a pair of numbers by the same factor.

Why this unlocks Lesson 9.4: This lesson builds on 4 skills from earlier math. Start with “Substitute into an equation and evaluate”, then the rest, so lesson time goes to the new idea. The core skill behind it: Follow order of operations, including parentheses and exponents; Name the inverse of an operation and check by substituting back.