Unit 8 · Standard 6.AT.9
Write and Represent Inequalities
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can write inequalities to represent real-world situations.
Language Objective: I can explain my inequality using the words inequality, greater than, less than, and at least / at most.
📖 See Learn It for the explanation and worked examples, and the Vocab tab for the words. These are your notes to fill in and keep.
✏️ Fill in each blank as we go. Use the Word Bank to help you.
👆 Tap any word to see its meaning and a picture.
Level 3: try the blanks from memory first, then check the bank.
- 1A math sentence comparing values with <, >, ≤, or ≥ is an .
- 2The symbol > that means one value is larger than another means .
- 3The symbol < that means one value is smaller than another means .
- 4'At least' means greater than or equal to, and 'at most' means than or equal to.
- 5A letter that stands for an unknown number is a .
- 6The phrase that means less than or equal to is "no more than," written with the symbol.
Write About the Math
What speeds are possible for the getaway car? How did the phrase 'at most' help you write the inequality?¿Qué velocidades son posibles para el carro de huida? ¿Cómo te ayudó la frase «como máximo» a escribir la desigualdad?
Say your answer to a partner first. Then write it, using at least two of these words:
Model: The age could be 18 or any number greater, so it is not a single value. — Students explain that 'at least 18' allows many values (18 and up), so an inequality with ≥ captures it while an equation would force one value.
Start
Complete the frames. Use the word bank.Completa las oraciones. Usa el banco de palabras.
- A speed of 65 mph is ___, a speed of 70 mph is ___, because 'at most 65' means the speed must be ___ 65.
- My answer is ___ because ___.Mi respuesta es ___ porque ___.
Build
Write two connected sentences. Use because, so, or but.Escribe dos oraciones conectadas. Usa porque, entonces o pero.
- My claim is ___.Mi afirmación es ___.
- My evidence is ___, so ___.Mi evidencia es ___, entonces ___.
Explain
Write a claim, give math evidence, and explain your reasoning.Escribe una afirmación, da evidencia matemática y explica tu razonamiento.