100 - 10

(a)  

5 x 8

(a)  

10x9

(a)  

106-6

(a)  

10 x 5

(a)  

40 x 2

(a)  

2 x 10

(a)  

68 + 8

(a)  

80 + 3

(a)  

70 x 2

(a)  

40 x 5

(a)  

10 x 6

(a)  

50 ÷ 10

(a)  

50 x 5

(a)  

18 ÷ 2

(a)  

150 - 50

(a)  

50 + 50

(a)  

80 x 2

(a)  

50 x 3

(a)  

40 + 3 + 7

(a)