Common Core Mathematics Practice for Grade 1
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Description: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Worksheet 1005 - Add a two-digit and one-digit number so that the total is within 100:
1. 93 + 5 = |
6. 59 + 6 = |
2. 44 + 1 = |
7. 35 + 9 = |
3. 34 + 0 = |
8. 83 + 5 = |
4. 82 + 7 = |
9. 52 + 2 = |
5. 36 + 5 = |
10. 45 + 5 = |
Printable #: 1005-CCSS.Math.Content.1.NBT.C.4
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