How many do you see? How do you see them?
How many do you see? How do you see them?
Grade 5 Unit 5
Lesson 11: Make Sense of Decimal Addition
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 5
Lesson 11: Make Sense of Decimal Addition
CC BY 2021 Illustrative Mathematics
How many do you see? How do you see them?
Find the value of the expression. Show your thinking. Organize it so it can be followed by others.
What questions do you have about adding decimals?
Play one round of Target Numbers.
Partner A
Start at 0. Roll the number cube. Choose whether to add that number of tenths or hundredths to your starting number.
Write an equation to represent the sum.
Take turns until you’ve played 6 rounds.
Each round, the sum from the previous equations becomes the starting number in the new equation.
The partner to get a sum closest to 1 without going over wins.
Describe a move that you could have made differently to change the outcome of the game.
What is the value of 1.20 + 0.13? Explain or show your reasoning.