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  Name:_________________________ Date:_______________   ![]()
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Numbers To 40
(10.1)
A.
Fill in the blanks.
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1. 15 + 8 = __________ 2. 28 - 12 = __________ ![]()
3. 32 + 3 = __________ 4. 18 - 6 = __________ ![]()
5. 33 - 17 = __________ 6. 25 + 10 = __________ ![]()
7. 18 - 15 = __________ 8. 1 + 23 = __________ ![]()
9. 20 - 15 = __________ 10. 16 + 20 = __________  
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 + 12 - 21 + 8 - 12 _____ _____ _____ _____ ![]()
_____ _____ _____ _____  
E.Solve the problems.
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1. Kimberly borrowed 18 books from the library. 11 books were for her brother. How many books were for herself?
____________ books were for herself.
 
2. There were 36 grapes. Ali ate half of them. How many grapes were left?
There were ____________ grapes left.
 
3. 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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