1OA7.1
 
Name: 
 

1OA7.1



True/False
Indicate whether the statement is true or false.
 

 1. 

Is the following number sentence true or false?
13 + 7 = 10 + 3 + 3 + 3 + 2
 

 2. 

Is the following number sentence true or false?

18 - 7 = 5 + 5 + 5 + 1 + 2 - 2 - 5
 

 3. 

Is the following number sentence true or false?

20 - 3 = 10 - 7 - 3 - 3
 

 4. 

Is the following number sentence true or false?

19 - 8 = 10 + 5 - 8
 

 5. 

Is the following number sentence true or false?

14 + 4 = 10 + 4 + 4
 

 6. 

Is the following number sentence true or false?

17 - 6 = 10 - 6 - 1 - 6
 

 7. 

Is the following number sentence true or false?

19 - 5 = 10 - 4 - 5 - 5
 

 8. 

Is the following number sentence true or false?

11+9 =10+1+9
 

 9. 

Is the following number sentence true or false?

15 + 3 =10 + 2 + 3 + 3
 

 10. 



Is the following number sentence true or false?

17 - 14 = 7 + 7 + 3 - 7 - 7
 



 
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