Unit 3 · Standard 6.AT.2
Understand Rates and Unit Rates
Arcade Builder Mission
Best Booth in the Arcade
You are the new operations manager at NeonPlex Arcade. Two ticket booths are competing for players — Booth A charges $3 for 5 games, Booth B charges $5 for 8 games. Players want the best deal, and your job is to crown the winning booth by mastering unit rates.
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can find a unit rate to compare prices and decide the better buy.
Language Objective: I can explain my choice using the words rate, unit rate, per, and better buy.
📖 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 rate compares different units; a compares a quantity to exactly 1 unit.
- 2A ratio that compares two quantities with different units is a .
- 3A rate that tells the cost or amount for one unit is a .
- 4The word that means 'for each one' is .
- 5A comparison of two quantities is a .
- 6A unit rate that tells the cost of one item is the .
- 7The option with the lower unit rate, costing less per item, is the .
- 8To find a unit rate, I the price by the number of units.
Write About the Math
Which size is the better deal, and how do you know?¿Qué tamaño es la mejor oferta y cómo lo sabes?
Say your answer to a partner first. Then write it, using at least two of these words:
Model: It is hard to compare because the booths have different numbers of games. — Students notice the prices cannot be compared directly because the number of games differs, so they need the cost for one game (the unit rate) to compare fairly.
Start
Complete the frames. Use the word bank.Completa las oraciones. Usa el banco de palabras.
- The ___ bag is the better deal because its unit rate is $___ per cup, which is ___ than $___ per cup for the other size.
- 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.