Mental Maths
Fractions
Measurement
Number
Word Problems
100

5x10

50

100

Write one half as a fraction.

1/2

100

What is the best unit of measurement to measure a pencil in?

Centimetres

100

What is the value of the digit 7 in the number 47 326?

7000

100

Sarah has 12 stickers. She gives 5 stickers to her friend.
How many stickers does Sarah have left?

7

200

8x4

32

200

If I cut a cake into 4 parts and ate 1 part, what fraction would be left? 

3/4

200

How many centimetres are there in 1 metre?

100

200

What number is 10 times larger than 450

4500

200

There are 6 bags with 8 oranges in each bag.
How many oranges are there altogether?

48 Oranges

300

55+23

78

300
What is an equivalent fraction to 1/2?

2/4

300

What is the mass of a 2kg bag of flour if it was written in grams?

2000g

300

The next number in this pattern is missing: 2, 4, 8, 16, __.

32

300

A ribbon is 2 metres long. 75 centimetres are cut off.
How much ribbon is left?

1 metre and 25cm or 1.25m.

400

682-20

662

400
In a class there are 4 boys and 8 girls. What fraction of the class are boys?

1/3

400

If a square has sides that are 5cm each, what is its perimetre?

20cm

400

What is 8 472 − 3 659. 

4 813

400

A class has 24 students. 3/8 of the students walk to school.
How many students walk to school?

9 Students

500

5000-499

4501

500

Simplify 25/100. 

1/4

500

A movie starts at 2:45 pm and lasts 1 hour 35 minutes. What time does it finish? 

4:20pm

500
36 is divided by 4 and then 10 is added to that number. What is the answer?

19

500

A school orders 4 boxes of pencils. Each box contains 36 pencils.
The pencils are shared equally among 9 classrooms.
How many pencils does each classroom receive?

16 pencils.
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