Mental sums Grade 1

0 + _______________ = 1 2

• 1 0

• 2 0

• 1 2

7 + 3 = 5 _______ 5

• -

• +

• =

What number is added to 13 to make 18 ?

• 6

• 7

• 5

Which is greater 7 tens or 77 ?

• 7 0

• 7 7

• 0 7

If you subtract 2 from 9 , the number is _______

• 7

• 6

• 8

Select the greatest number

• 7 8

• 4 5

• 6 3

Select the smallest number.

• 5 6

• 3 5

• 4 7

Complete the pattern 2 , ___, 6 , 8 _____

• 3 , 9

• 4 , 10

• 5 , 7

What comes before and after 1 1 1 ?

• 101 , 103

• 109 , 110

• 110 , 112

1 more than 101 is

• 100

• 102

• 101