Unit 3, Lesson 11
Add to a Teen Number
Grade 1
Activity 1
Rock Collection
Kiran collects rocks.
So far, he has 14 rocks.
He gets 3 more.
How many rocks does Kiran have now?
Show your thinking using drawings, numbers, or words.
Equation:
Activity 2
Write Equations: Adding On to Teen Numbers
Find the number that makes each equation true.
Show your thinking using drawings, numbers, or words.
Show your thinking using drawings, numbers, or words.
Activity 3
Centers: Choice Time
Choose a center.
Compare
Number Puzzles
Find the Pair
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