E3
Decimals quiz
Level A
1. In the number 5.06 what does the digit 6 mean?
A)
B)
C)
D)
Six tenths
Six hundredths
Six units
Six tens
2. In the number 92.35 what does the digit 3 mean?
A)
B)
C)
D)
Three hundredths
Three tenths
Three units
Three tens
3. How would you write the number 72.63 in words?
A)
B)
C)
D)
Seventy two point six three
Seventy two and sixty three
Seven thousand, two hundred and sixty three
Seven and two and point and six and three
4. How would you write the number 23.09 in words?
A)
B)
C)
D)
Twenty three point nine
Twenty three point zero nine
Twenty three point ninety
Two, three, zero and nine
5. Which of these numbers is the odd one out?
A)
B)
C)
D)
6.20
6.2
6.2000
6.02
6. Which of these numbers is the odd one out?
A)
B)
C)
D)
5.4000
5.04
5.4
5.400
© BBC 2011
E3
Decimals quiz
7. Which row in this place value table shows the number 12.6?
A)
B)
C)
D)
Row A
Row B
Row C
Row D
8. You enter the following problem into a calculator:
22 ÷ 7
The calculator displays the number 3.1428571
You only need to write down the first two digits after the decimal point. What should you write
down?
A)
B)
C)
D)
0.14
3.1
3.14
3.1428571
9. You need to enter the number five point zero six into a calculator. What should the display
show?
A)
B)
C)
D)
5.6
5.06
50.6
506
© BBC 2011
E3
Decimals quiz
10. Which of these statements about the decimal 0.5 is true?
A)
B)
C)
D)
0.5 = ½
0.5 = fifty
0.5 = five
0.5 = fifteen
© BBC 2011
E3
Decimals quiz
Level B
1. What does the digit 5 mean in £32.59?
A)
B)
C)
D)
Five pounds
Five pence
Fifty pence
Fifty pounds
2. How much money is this?
A)
B)
C)
D)
£3.05
£3.50
£350
£3.05p
3. Which of these is another way of writing 87 pence?
A)
B)
C)
D)
0.87p
£0.87
£8.70
8.7p
4. How many pence in £1.20?
A)
B)
C)
D)
Twelve pence
Twenty pence
One hundred pence
One hundred and twenty pence
5. How would you write £12.92 in words?
A)
B)
C)
D)
Twelve point nine two pounds
One thousand, two hundred and ninety two pence
Ten and two pounds and ninety and two pence
Twelve pounds, ninety two pence
© BBC 2011
E3
Decimals quiz
6. The shopkeeper tells you your bill comes to “forty pounds and eight pence”. How would you
write this amount in numbers?
A)
B)
C)
D)
£4.80
£40.08
£14.08
£4.08
7. How many pence is £3.04?
A)
B)
C)
D)
Three point four pence
Four pence
Thirty four pence
Three hundred and four pence
8. Which of the following is not true?
A)
B)
C)
D)
£0.86 = 86p
£1.60 = 160p
£2.07 = 27p
£9.20 = 920p
9. How much money is this?
A)
B)
C)
D)
£12.23
£120.23
£102.203
£102.23
© BBC 2011
E3
Decimals quiz
10. You’ve been using the calculator to work out: £1.05 + £23.45 The display shows the amount
24.5. What is the correct way of writing this amount of money?
A)
B)
C)
D)
£24.5
£24.50p
24.5p
£24.50
© BBC 2011
E3
Decimals quiz
Level C
1. A table has a width of 1.5 m. What does 1.5 m mean?
A)
B)
C)
D)
1 metre and 50 centimetres
1 metre and 5 centimetres
1.5 centimetres
1 + 5 metres
2. Sam is five years old. He is 1 m 20 cm tall. How would you write this as a decimal?
A)
B)
C)
D)
120 m
1.2 m
100 20 m
12.0 m
© BBC 2011
E3
Decimals quiz
3. You are buying a shirt for your friend and measure their neck size for the collar. The tape
measure shows 40 cm but you have to place an order in metres. What is the correct
measurement?
A)
B)
C)
D)
0.04 m
0.4 m
4.0 m
40 m
4. You want to buy a new bathroom cabinet. You measure your bathroom wall and decide you
can buy one up to 70 cm in width. Which bathroom cabinet should you buy?
A)
B)
C)
D)
Cabinet A: width of 1 m
Cabinet B: width of 0.95 m
Cabinet C: width of 0.75 m
Cabinet D: width of 0.7 m
5. A postal tube is 0.79 m long. How many centimetres is this?
A)
B)
C)
D)
0.79 cm
7.9 cm
7 cm
79 cm
© BBC 2011
E3
Decimals quiz
6. You are buying a new blind for a window. The window measures 2 m and 4 cm in width. How
would you write this in metres?
A)
B)
C)
D)
2.4 m
2.04 m
240 m
204 m
7. Next, you measure the height of the window. It is 1 metre and 42 centimetres high. How
would you write this in metres?
A)
B)
C)
D)
1.42 m
142 m
14.2 m
42 m
© BBC 2011
E3
Decimals quiz
8. You need to buy a freezer, but only have a small kitchen. Your local shop sells a ‘compact
freezer’ which is only 0.54 m wide. How wide is this in centimetres?
A)
B)
C)
D)
5 cm
5.4 cm
54 cm
540 cm
9. You’ve measured the space you have for your freezer and it is 60 cm wide. Which freezer
would not fit in your kitchen?
A)
B)
C)
D)
Freezer A width: 0.5 m
Freezer B width: 0.54 m
Freezer C width: 0.59 m
Freezer D width: 0.63 m
10. You’re making some curtains for your house and need to buy some material. You’ve worked
out that you need the following length of material for each room: 1.25 m, 2.6 m, 1.35 m.
You add these amounts up using a calculator and it shows 5.2. What is this amount in metres
and centimetres?
A)
B)
C)
D)
5 m 2 cm
7m
52 cm
5 m 20 cm
© BBC 2011
E3
Decimals quiz
Answers
Level A
1.
In the number 5.06 what does the digit 6 mean?
The correct answer is: B. Six hundredths
Look at the number in a place value table. The digit 6 is in the hundredths column. In the
number 5.06 the digit 6 means six hundredths.
2.
In the number 92.35 what does the digit 3 mean?
The correct answer is: B. Three tenths
Look at the number in the place value table. The digit 3 is in the tenths column. In the
number 92.35 the digit 3 means three tenths.
3.
How would you write the number 72.63 in words?
The correct answer is: A. Seventy two point six three
When reading decimals out loud you have to read the numbers after the decimal point one
at a time. The number 72.63 said out loud is seventy two point six three.
4.
How would you write the number 23.09 in words?
The correct answer is B. Twenty three point zero nine
When writing decimals you have to write the digits after the decimal one at a time. You
must also read the zero as it is a place holder. The number 23.09 written in words is twenty
three point zero nine.
© BBC 2011
E3
Decimals quiz
5.
Which of these numbers is the odd one out?
The correct answer is: D. 6.02
This decimal has a different value to the other numbers. When you have zeros at the end
of a number they don't change the value. This means that:
6.2 = 6.20 = 6.2000
The number 6.02 is the odd one out.
6.
Which of these numbers is the odd one out?
The correct answer is: B. 5.04
This decimal has a different value to the other numbers. When you have zeros at the end
of a number they don't change the value. This means that:
5.4 = 5.400 = 5.4000
The number 5.04 is the odd one out.
7.
Which row in this place value table shows the number 12.6?
The correct answer is: C. Row C
You read the place value table correctly. Row C shows the number 12.6
© BBC 2011
E3
Decimals quiz
8.
You enter the following problem into a calculator:
22 ÷ 7
The calculator displays the number 3.1428571
You only need to write down the first two digits after the decimal point. What
should you write down?
The correct answer is: C. 3.14
Sometimes when you are using a calculator it will display a number with lots of digits after
the decimal point. Here, you only need to look at the whole number 3 and the first two
digits after the decimal point. These are 1 and 4. The number you should write down is
3.14
9.
You need to enter the number five point zero six into a calculator. What should the display
show?
The correct answer is: B. 5.06
The number five point zero six on the calculator would be 5.06
10.
Which of these statements about the decimal 0.5 is true?
The correct answer is: A. 0.5 = ½
Good work, it was a hard question. O.5 is half of a whole (or 1). The decimal 0.5 is the
same as a half:
© BBC 2011
E3
Decimals quiz
Level B
1.
What does the digit 5 mean in £32.59?
The correct answer is: C. Fifty pence
In the amount £32.59 the digit 5 means fifty pence.
2.
How much money is this?
The correct answer is: A. £3.05
The 3 pounds goes before the decimal point and the 5 pence is the second digit after the
decimal point.
The amount of money is £3.05
3.
Which of these is another way of writing 87 pence?
The correct answer is: A. 0.87p
Another way of writing 87 pence is £0.87
© BBC 2011
E3
Decimals quiz
4.
How many pence in £1.20?
The correct answer is: D. One hundred and twenty pence
There are one hundred pence in one pound:
£1 = 100 pence
To work out the amount of pence in £1.20:
£1 = 100 pence
£0.20 = 20 pence
100 + 20 = 120
There are 120 pence in £1.20
5.
How would you write £12.92 in words?
The correct answer is: D. Twelve pounds, ninety two pence
You would write £12.92 as twelve pounds, ninety two pence.
6.
The shopkeeper tells you your bill comes to “forty pounds and eight pence”. How would
you write this amount in numbers?
The correct answer is: B. £40.08
Forty pounds and eight pence written in numbers is £40.08
7.
How many pence is £3.04?
The correct answer is: D. Three hundred and four pence
There are one hundred pence in one pound:
£1 = 100 pence
To work out the amount of pence in £3.04:
© BBC 2011
E3
Decimals quiz
£3 = 300 pence
£0.04 = 4 pence
300 + 4 = 304
There are 304 pence in £3.04
8.
Which of the following is not true?
The correct answer is: C. £2.07 = 27p
£2.07 = 27p is wrong. It should read:
£2.07 = 207p
OR
£0.27 = 27p
9.
How much money is this?
The correct answer is: A. £12.23
You have the following amount of money in the picture:
© BBC 2011
E3
Decimals quiz
£10 note = £10
£1 x 2 = £2
20 pence x 1 = £0.20
1 pence x 3 = £0.03
The picture shows £12.23 in money.
10.
You’ve been using the calculator to work out: £1.05 + £23.45
The display shows the amount 24.5.
What is the correct way of writing this amount of money?
The correct answer is: D. £24.50
When you write money you must show two digits after the decimal point. If the display
shows 24.5 you must write £24.50
© BBC 2011
E3
Decimals quiz
Level C
1.
A table has a width of 1.5 m. What does 1.5 m mean?
The correct answer is: A. 1 metre and 50 centimetres
Remember that:
1 m = 100 cm
0.5 m is the same as half a metre, or 50 centimetres.
The table is 1 metre and 50 centimetres wide.
2.
Sam is five years old. He is 1 m 20 cm tall. How would you write this as a decimal?
The correct answer is: B. 1.2 m
© BBC 2011
E3
Decimals quiz
Remember:
1 m = 100 cm
1 m 20 cm can be either written as:
1.2 m or 120 cm
Sam is 1.2 m tall.
3.
You are buying a shirt for your friend and measure their
neck size for the collar. The tape measure shows 40 cm
but you have to place an order in metres.
What is the correct measurement?
The correct answer is: B. 0.4 m
You will order your friend the correct size shirt.
Remember:
1 m = 100 cm
40 cm can be either written as:
40 cm or 0.4 m
You should place an order for a shirt of collar size 0.4 m.
4.
You want to buy a new bathroom cabinet.
You measure your bathroom wall and decide you can buy one up to 70 cm
in width. Which bathroom cabinet should you buy?
The correct answer is: D. Cabinet D: width of 0.7 m
Remember:
1 m = 100 cm
Cabinet D would fit on your wall as it is 0.7 m or 70 cm wide.
© BBC 2011
E3
Decimals quiz
5.
A postal tube is 0.79 m long. How many centimetres is this?
The correct answer is: D. 79cm
You remembered that:
1 m = 100 cm
A postal tube 0.79 m in length is 79 cm long.
6.
You are buying a new blind for a window.
The window measures 2 m and 4 cm in width. How would you
write this in metres?
The correct answer is: B. 2.04 m
Remember:
1 m = 100 cm
4 cm = 0.04 m
2 m 4 cm in metres is 2.04 m.
7.
Next, you measure the height of the window. It is 1
metre and 42 centimetres high.
How would you write this in metres?
The correct answer is: A. 1.42 m
Remember:
1 m = 100 cm
42 cm = 0.42 m
1 m 42 cm in metres is 1.42 m.
© BBC 2011
E3
Decimals quiz
8.
You need to buy a freezer, but only have a small
kitchen.
Your local shop sells a ‘compact freezer’ which is only 0.54
m wide. How wide is this in centimetres?
The correct answer is: B. 5.4 cm
1 m = 100 cm
0.54 m is the same as 54 cm.
9.
You’ve measured the space you have for your freezer and it is 60 cm wide. Which freezer
would not fit in your kitchen?
The correct answer is: D. Freezer D width: 0.63 m
Freezer D is 0.63 m or 63 cm wide, too wide for the 60 cm space.
10.
You’re making some curtains for your house and need to
buy some material.
You’ve worked out that you need the following length of material
for each room: 1.25 m, 2.6 m, 1.35 m.
You add these amounts up using a calculator and it shows 5.2.
What is this amount in metres and centimetres?
The correct answer is: D.5 m 20 cm
The calculator is showing the value in metres.
1 m = 100 cm
0.2 m is the same as 20 cm
The amount of material you need in metres and centimetres is 5 m 20 cm.
© BBC 2011