Unit 4
Center Day 1
Lesson 5
Numbers to 99
Expressions and Equations
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Let’s add and subtract.
Unit 4 ● Lesson 5
Learning
Goal
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Tens
Unit 4 ● Lesson 5 ● Warm-up
Which one doesn’t belong?
A. B.
C. D.
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Which One Doesn’t Belong?
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
Introduce Check It Off, Add or Subtract Tens
Unit 4 ● Lesson 5 ● Activity 1
Choose two cards and decide whether you want to add or subtract. After you find the sum or difference, check it off on the recording sheet and write the expression. Take turns with your partner. At the end of the game the partner who checks off the most numbers wins.
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
Introduce Check It Off, Add or Subtract Tens
Unit 4 ● Lesson 5 ● Activity 1
Should we add or subtract these numbers? Why?
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Activity Synthesis
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
Centers: Choice Time
Unit 4 ● Lesson 5 ● Activity 2
Choose a center.
Five in a Row How Close?
Number Puzzles
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
Centers: Choice Time
Unit 4 ● Lesson 5 ● Activity 2
What is one thing you learned or got better at by working on the activity you chose?
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Activity Synthesis
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
Center Day 1
Unit 4 ● Lesson 5
How did you and your partner work together during centers? What went well? What can we continue to work on?
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Lesson Synthesis
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.
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1
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.