Grade 5 Unit 8
Lesson 11: What’s the Difference?
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 8
Lesson 11: What’s the Difference?
CC BY 2021 Illustrative Mathematics®
What is important to remember when subtracting fractions with unlike denominators?
Find the value of each difference mentally.
Use the directions to play Greatest Difference with a partner.
Spin the spinner.
Each player writes the number that was spun in an empty box for Round 1. Be sure your partner cannot see your numbers.
Once a number is written down, it cannot be changed.
Continue spinning and writing numbers in the empty boxes until all 4 boxes have been filled.
Find the difference.
The person with the greatest difference wins the round.
After all 4 rounds, the player who won the most rounds, wins the game.
If there is a tie, players add the differences from all 4 rounds and the highest total wins the game.
Complete Steps 1-5.
The person with the greater difference wins the round.
Complete Steps 1-5.
The person with the greater difference wins the round.
Use the numbers below to fill in the squares. Find each difference. Add the 2 differences together.
Complete Steps 1-5.
The person with the greater difference wins the round.
Complete Steps 1-5.
The person with the greater difference wins the round.