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K-5 Grade 1 Unit 4 Lesson 3

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•K-5 Math 6-8 Math 9-12 Math

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K-5
6-8
9-12

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IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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Lesson 3

Warm-up Activity 1 Activity 2 Activity 3

Unit 4, Lesson 3

Addition and Subtraction with Tens

Grade 1

Warm-up

How many do you see?
How do you see them?

Connecting cubes. 2 towers of 10.

Connecting cubes. 4 towers of 10 cubes.

Base ten drawing. 4 tens.

Activity 1

Show your thinking using drawings, numbers, or words.
1. Show 1 ten.
  Add a ten.
  How many do you have now?
2. Add another ten.
  How many do you have now?
3. Add another ten.
  How many do you have now?
4. Add another ten.
  How many do you have now?
5. Add another ten.
  How many do you have now?
6. Add another ten.
  How many do you have now?
7. Add another ten.
  How many do you have now?
8. Add another ten.
  How many do you have now?
Show your thinking using drawings, numbers, or words.
1. Show 9 tens.
  Take away a ten.
  How many do you have now?
2. Take away another ten.
  How many do you have now?
3. Take away another ten.
  How many do you have now?
4. Take away another ten.
  How many do you have now?
5. Take away another ten.
  How many do you have now?
6. Take away another ten.
  How many do you have now?
7. Take away another ten.
  How many do you have now?
8. Take away another ten.
  How many do you have now?

Activity 2

Center activity. Five in a row.

Record your favorite round.

Show your thinking using drawings, numbers, or words.

Activity 3

Choose a center.

Five in a Row

Center activity. Five in a row.

How Close?

Center. How Close.

Number Puzzles

Center activity. Number Puzzles.