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Worksheets

Stratégies de calcul mental

Total questions: 16

Worksheet time: 16mins

Name
Class
Date
1.

 17+375+0+12517+375+0+125  

(a)  

2.

 (7877)+29+(3535)\left(78-77\right)+29+\left(35-35\right)  

(a)  

3.

 750+285750+285  

(a)  

4.

 349+492349+492  



(a)  

5.

 821531821-531  

(a)  

6.

 12379891237-989  

(a)  

7.

 (5251)×(2725)×(6158)\left(52-51\right)\times\left(27-25\right)\times\left(61-58\right)  



(a)  

8.

 42×83×(1919)42\times83\times\left(19-19\right)  

(a)  

9.

 2×25×9×42\times25\times9\times4  



(a)  

10.

 25×1825\times18  

(a)  

11.

 98×1598\times15  

(a)  

12.

 99×999\times9  

(a)  

13.

 80×9080\times90  

(a)  

14.

 600÷15600\div15  

(a)  

15.

 1550÷501550\div50  



(a)  

16.

 22288222-88  



(a)