7.4 Small Group · Group 1
Second Practice Form · Re-Teach, Homework or Retake · Same Standard, New Problems
Visual Models · Compare and Order Integers · Number line · Procedural Fluency
- To compare integers means to see which one is greater or less. On a number line, numbers get bigger as you go right and smaller as you go left. We'll walk through a worked example, try one together, then you'll try a few with hints right there when you need them.
- I will compare -7 and -5. They are both negative, so I look at the number line.
- -7 is 7 steps left of zero. -5 is only 5 steps left of zero.
- -7 is farther to the left, so -7 is the smaller number.
- I write -7 < -5. The open side of the symbol points to the bigger number, -5.
- Compare and Order Integers (Comparar y ordenar enteros) — Use a number line to decide which integers are greater or less and place them in order.
- Number line (Recta numérica) — A straight line where numbers are placed in order; numbers get smaller to the left and larger to the right.
- Compare (Comparar) — To see if a number is bigger, smaller, or equal to another.
- Order (Ordenar) — To arrange numbers by size, from least to greatest or greatest to least.
- Greater than (Mayor que) — The > sign, showing one number is bigger.
- Less than (Menor que) — The < sign, showing one number is smaller.
- A common mistake in Compare and Order Integers is thinking that a negative number with a bigger digit is the bigger value — for example, believing -15 is greater than -8 because 15 is greater than 8. It's the opposite for negatives: the number farther to the left on the number line (farther from zero) is always the LESSER value, so -15 < -8. Before you submit, check your comparison against the number line, not just the digits.
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1 MULTIPLE CHOICE
Three cities have temperatures of -12°F, -5°F, and 3°F. Which city is warmest?
- A3°F
- B-5°F
- C-12°F
- DThey are equal
✏️ Workspace & Solution Steps -
2 MULTIPLE CHOICE
Four spots: -3 m, 2 m, -7 m, 0 m. Order them from least to greatest.
- A-7, -3, 0, 2
- B-3, -7, 0, 2
- C2, 0, -3, -7
- D-7, -3, 2, 0
✏️ Workspace & Solution Steps -
3 MULTIPLE CHOICE
Three buried chests sit at -9 m, -4 m, and -15 m below sea level. Which chest is at the GREATEST elevation (closest to the surface)?
- A-4 m
- B-9 m
- C-15 m
- DThey are equal
✏️ Workspace & Solution Steps -
4 MULTIPLE CHOICE
On the map, a sunken lantern is at -8 m and a coral shelf is at -3 m. Which symbol makes the comparison true: -8 ___ -3 ?
- A<
- B>
- C=
- D≥
✏️ Workspace & Solution Steps
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5 ERROR ANALYSIS
Level 2 Extension — The Mis-Ranked Treasure Map
- 1Problem:Order the chest depths from least to greatest: -8 m and -15 m.
- 2Crew thinking:15 has bigger digits than 8, so -15 must be the bigger number. I'll list -8 first because it must be smaller.
- 3Crew answer:Least to greatest: -8, -15
Which step contains the error? Explain the mathematical misconception and write the correct calculation below.
✏️ Corrected Mathematical Work & Explanation -
6 ERROR ANALYSIS
Find the Comparison Error
- 1Problem:Compare -3 and -8. Which is greater?
- 2Student thinking:8 is bigger than 3, so -8 must be greater than -3
- 3Student answer:-8 > -3
Which step contains the error? Explain the mathematical misconception and write the correct calculation below.
✏️ Corrected Mathematical Work & Explanation
Writing Task: Justify why your mathematical solution is accurate and complete.