Mental Mathematics

Front

Take half of 34 from half of 46

Back

6

Front

What must be added to 8 times 9 to make 100?

Back

28

Front

How much less than 2km is 1km 350m?

Back

650m

Front

How many biscuits are left over when 68 biscuits are shared equally among 8 children?

Back

4

Front

How much lighter is 2kg 350g than 4kg 760g?

Back

2kg 410g

Front

7 + 9 + 12 = ______ x 4

Back

7

Front

0.1 of a number is 15. What is half of the number?

Back

75

Front

What time is 1 hr 25 mins later than 2:20?

Back

3:45

Front

how many faces has a cuboid?

Back

6

Front

Round 3 728 to the nearest 1000

Back

4 000