A. Fill in the blanks.
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| 1.
| 15 + 8
| = __________
| 2.
| 28 - 12
| = __________
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| 3.
| 32 + 3
| = __________
| 4.
| 18 - 6
| = __________
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| 5.
| 33 - 17
| = __________
| 6.
| 25 + 10
| = __________
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| 7.
| 18 - 15
| = __________
| 8.
| 1 + 23
| = __________
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| 9.
| 20 - 15
| = __________
| 10.
| 16 + 20
| = __________
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B. Fill in the numbers.
1. 10 and ___________ make 35.
2. 5 less than 21 is ___________.
3. 10 and ___________ make 40.
4. 3 more than 17 is __________.
5. 10 and 15 make ____________.
6. 20 and 10 make ____________.
7. ______ is between 24 and 26.
8. 37 is 10 and ______________.
9. _______ is between 29 and 31.
10. 28 is 8 and ______________.
C. Circle the largest number and cross out the smallest number.
1. 7 , 32 , 29 , 12 , 20
2. 22 , 5 , 35 , 28 , 31
3. 14 , 7 , 40 , 24 , 33
4. 14 , 9 , 30 , 27 , 12
5. 20 , 17 , 23 , 37 , 3
D. Do these sums.
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| 1.
| | 16
| 2.
| | 23
| 3.
| | 20
| 4.
| | 26
|
| +
| 24
| | +
| 13
| | -
| 14
| | -
| 13
|
| _____
| | _____
| | _____
| | _____
|
| _____
| | _____
| | _____
| | _____
|
| 5.
| | 18
| 6.
| | 27
| 7.
| | 9
| 8.
| | 36
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| +
| 12
| | -
| 21
| | +
| 8
| | -
| 12
|
| _____
| | _____
| | _____
| | _____
|
| _____
| | _____
| | _____
| | _____
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E. Solve the problems.
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| 1.
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Kimberly borrowed 18 books from the library. 11 books were for her brother. How many
books were for herself?
____________ books were for herself.
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| 2.
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There were 36 grapes. Ali ate half of them. How many grapes were left?
There were ____________ grapes left.
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| 3.
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There were 15 sparrows on a tree. 13 more sparrows joined them on the same tree. How many
sparrows were there altogether?
There were ____________ sparrows altogether.
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