Numbers

 

Complete the following problems with a < or > sign.

 

6 4 8 3 4 + 3 5 2 + 7 8
11 15 2 7 3 + 6 1 + 7 12 + 6 15
14 9 8 2 7 + 5 18 - 4 16 14 + 3
7 18 9 19 16 - 4 17-10 24 - 8 13
8 16 12 23 13 - 6 12 - 4 12 + 12 25

 

Complete the missing addends.

 

4 + = 15 6 + = 16 7 + = 13
+ 5 = 16 + 9 = 18 + 3 = 12
3 + = 20 4 + = 12 2 + = 11
9 + = 19 5 + = 18 7 + = 15
+ 4 = 17 + 7 = 15 + 16 = 19
8 + = 13 8 + = 13 6 + = 11
3 + = 12 2 + = 9 10 + = 15

 

Regroup the following numbers.

 

7 + 8 = 15 or 1 ten and ones.
8 + 5 = 13 or 1 ten and ones.
9 + 6 = 15 or 1 ten and ones.
8 + 9 = 17 or ten and  ones.
+ 7 = 11 or ten and 1 one.
+ 8 = 14 or 1 ten and  ones.
9 + = 18 or ten and ones.
6 + = 11 or ten and ones.
1 ten and  ones or 10 + = 17
1 ten and ones or 7 + 9 =
1 ten and ones or + 4 = 13
2 tens and ones or + 12 = 24

 
 

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