Mental Maths Calculations

 Time Allowed: 10 minutes

Try to do all the questions mentally

1)  34 + 76 = 125 - ____

2) 210 ÷ 70 =  240 ÷ _____

3) 129 - 45 = 37 + ____

4) 28 x 3 = 14 x ______

5) 16 x 10 = 8 x _____

6) 14 x 5 = _____ x 10

7) 29 x 10 = ____ x 5

8) 10 - 4.6 = 1.9 + ______

9) (14 x 6) + (14 x 4) = 14 x ______

10) 35.4 + 17.1 = 15.1 + ______

11) 5700 ÷ 20 = _______ x 10

12) 90 x 40 = ____x 10

13) 27 x 30 = _____ + 10

14) 460 ÷ 20 = _____ + 30

15) 88 + 22 = _______ + 10

16) 79 + 41 = 100 + _____

17) 0.99 x 5 = 5 - _____

18) 1.99 x  4 = 8 - _______

19) 3.99 x 5 = ____ - 0.5

20) 1.5 x 9 = 9 + _______