Unit 7, Lesson 6
Use a Ten to Add within 1,000
Grade 2
Warm-up
Find the value of each expression mentally.
Activity 1
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Find the value of each sum.
Set 1
Set 2
Set 3
- What patterns do you notice?
Activity 2
Your teacher will give you a set of cards.
- Match each 3-digit number to a 2-digit number. When you add your numbers together, they should make a ten, with no extra ones. Be ready to explain your reasoning.
- Pick 1 pair of numbers. Find the value of their sum. Show your thinking, using drawings, numbers, or words.