Numeracy QuizDecimals

Starter - Brain Trainer

Follow the instructions from the top, starting with the number given to reach an answer at the bottom in 30 seconds.

There are three levels, easy, medium and hard, choose the one most suitable for you.

+ 3/5 of it

+ 3/5 of it

42

EASY

5

ANSWER

÷ 7

treble it

+ 22

4

÷ 10

- 5

8

+12

÷ 20

30

MEDIUM

44

ANSWER

+ ½ of it

double it

15

square it

+ 54

+ ½ of it

- 5

÷ 10

+ 31

87

HARD

112

ANSWER

÷ 6

÷ 5

treble it

- 14

half of it

+ 128

+ 328

Brain Trainer

Speed Test

You will see 9 questions

Each question will stay on th

e

screen for 30 seconds

Write down as many answers

as you can

Calculators not allowed

Press space bar to start

1. A car travels at 60 mph. ! Mile is roughly 1.6 km.

What is the speed in km per hour?

2. A garage records the carbon monoxide emissions of two cars. One emits 0.341g/km and the other emits 1.154 g/km.

What is the difference in the emissions, to the nearest tenth of a g/km?

3. The exchange rate on a particular day £1 = €1.4.

How many pounds will I get for € 280?

4. A dog weighs 26 pounds. 1 kg is approximately 2.2 pounds.

How much will the dog weigh, in kilograms, to the nearest kilogram?

5. A garage charges £32.50 per hour for labour plus the cost of the parts. The repair to a women’s car takes 3.2 hours and the parts cost £115.70.

What was her total bill?

6. A boy is buying Christmas presents. He buys a CD for £9.50, a pair of gloves for £12.99, a book for £5.75 and a game for £8.20.

Round the prices to the nearest pound to estimate the total.

7. On a particular day the exchange rate between the pound and the dollar is £1 = $1.85.

How much is £400 worth in dollars?

8. The diagram shows the work surface in a kitchen. The surface area is to be

covered with marble.

What is the area of the work surface?

1.2m

3.6m

9. An office manager is buying IT equipment. She buys three desktop PC base units at £487.64 each, two

monitors at £102.48 each and another monitor for £186.85.

Round the prices to the nearest pound to estimate the total.

Challenge Question

C a r p e t T i l e s

20 CARPET

TILES½ metre

½ metre

4.6m

3.7m

Michael’s Bedroom

Not to Scale

Michael intends to use carpet tiles to carpet his bedroom. Each tile is a square of side ½ metre. The tiles come in boxes of 20. How much will he spend on carpet tiles? Show your working clearly.

£75

Area of bedroom floor = 4.6 x 3.7 = 17.02m2Area of 1 carpet tile = ½ x ½ = ¼m2

Area covered by 1 box = 20 x ¼m2 = 5m2. Four boxes are needed = £300

*

Record your VMG’s solutions!

Solutions1. 96 km per hour2. 0.8 g/km3. £2004. 12kg5. £219.70 6. £377. $7408. 4.32m²9. £1 855Challenge questionFour boxes are needed = £300

Please send your VMG scores to SFarrow. Thank you