 # Test Your Maths Knowledge (1)

In this worksheet, students should answer these mixed questions as quickly and accurately as possible. Most can be answered without writing anything down. Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:   ### QUESTION 1 of 10

In this worksheet, you must answer short mental arithmetic questions which get progressively harder.

Remember some quick short cuts, such as:

1.  To multiply by 4, just double and double again.

2.  To find a quarter of something, just halve and halve again.

3.  To find 10% of something, just divide by 10.

What is the product of 8 and 5 ?

How many 20p coins would I need to pay for a book costing £3?

What is the first prime number above 50 ?

What is three-quarters of 24 ?

A skier uses skis that are 1.6 metres tall.  How tall are the skis in centimetres?

(Just write the number)

How many lines of symmetry does a regular hexagon have?

What is 5% of 600?

What is the value of n squared minus 10 when n is equal to 7?

How many hours are there in 4 days?

A forty-five minute train journey starts at 0750.  At what time does the journey end?

What is the name of a ten-sided polygon?

Change 6900 grams into kilograms.

(Just write the number)

Edward pays £14.75 to watch Chelsea play Arsenal.

How much change does he get from a £20 note?

(Just write the number)

Two cups of coffee and one cup of tea cost £1.56.  If a cup of tea costs 40p, how much is one cup of coffee?

What is the area in cm2 of a triangle with a base of 12 cm and a height of 7 cm?

(Just write the number)

Harriet drives for 2¼ hours at an average speed of 80 km/h.  How far does she travel in km?

(Just write the number)

How much will it cost to buy 5 stamps costing 29p each?

A father is now three times as old as his son.  In two years time, the son will be 14.  How old will the father be in two years time?

Five rolls of wallpaper cover an area of 14 square metres of wall.  What area of wall will be covered with four rolls?

(Just write the number of square metres)

There are 40 coloured counters in a jar.  12 are red, 10 are blue and the rest are green.  Harry draws a counter at random out of the jar.  What is the probability that he chooses a green counter?

• Question 1

What is the product of 8 and 5 ?

40
• Question 2

How many 20p coins would I need to pay for a book costing £3?

15
• Question 3

What is the first prime number above 50 ?

53
• Question 4

What is three-quarters of 24 ?

18
• Question 5

A skier uses skis that are 1.6 metres tall.  How tall are the skis in centimetres?

(Just write the number)

160
• Question 6

How many lines of symmetry does a regular hexagon have?

6
• Question 7

What is 5% of 600?

30
• Question 8

What is the value of n squared minus 10 when n is equal to 7?

39
• Question 9

How many hours are there in 4 days?

96
• Question 10

A forty-five minute train journey starts at 0750.  At what time does the journey end?

0835
• Question 11

What is the name of a ten-sided polygon?

Decagon
• Question 12

Change 6900 grams into kilograms.

(Just write the number)

6.9
• Question 13

Edward pays £14.75 to watch Chelsea play Arsenal.

How much change does he get from a £20 note?

(Just write the number)

5.25
• Question 14

Two cups of coffee and one cup of tea cost £1.56.  If a cup of tea costs 40p, how much is one cup of coffee?

58 p
58p
• Question 15

What is the area in cm2 of a triangle with a base of 12 cm and a height of 7 cm?

(Just write the number)

42
• Question 16

Harriet drives for 2¼ hours at an average speed of 80 km/h.  How far does she travel in km?

(Just write the number)

180
• Question 17

How much will it cost to buy 5 stamps costing 29p each?

£1.45
£ 1.45
• Question 18

A father is now three times as old as his son.  In two years time, the son will be 14.  How old will the father be in two years time?

38
• Question 19

Five rolls of wallpaper cover an area of 14 square metres of wall.  What area of wall will be covered with four rolls?

(Just write the number of square metres)

11.2
• Question 20

There are 40 coloured counters in a jar.  12 are red, 10 are blue and the rest are green.  Harry draws a counter at random out of the jar.  What is the probability that he chooses a green counter?

9/20
---- OR ----

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