Unit 4, Lesson 4
More Addition and Subtraction with Tens
Grade 1
Activity 2
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Add 20:
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Subtract 20:
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4 tens and 5 tens is ___________
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8 tens take away 3 tens is __________
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Student Section Summary
We learned how to show tens in different ways.
6 tens
60
We learned how to add and subtract tens from other tens.
4 tens and 1 ten is 5 tens
5 tens take away 2 tens is 3 tens