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Maths Quiz - Decimal Numbers 3 (Easy) (Questions)

Learn how decimals make comparisons clearer in this 11 Plus Maths quiz. Practise reading, rounding, and comparing numbers to sharpen your accuracy.

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(quiz starts below)

Fascinating Fact:

When comparing weights, 2.05 kilograms is heavier than 1.95 kilograms, which might be the difference between a light bag and a heavy one.

In 11 Plus Maths, decimals are used to compare values precisely. Whether measuring weight, distance, or money, decimals help students calculate and reason with confidence.

Key Terms

  • Decimal Number: A number that includes a point to separate whole and fractional parts.
  • Rounding: Making a decimal simpler by reducing its digits while keeping its value close.
  • Comparison: Determining which number is greater, smaller, or equal using their decimal values.

For examples of real 11 Plus questions and practice materials, visit our Guide to 11 Plus Sample Questions for Parents .

Frequently Asked Questions (Click to see answers)

How do decimals compare to whole numbers?

Decimals show values between whole numbers. For example, 2.5 is halfway between 2 and 3, giving more precise measurement or counting.

What’s the best way to round decimals?

Look at the next digit: if it’s 5 or more, round up. If it’s 4 or less, round down. For example, 2.36 rounds to 2.4 to one decimal place.

Where are decimals used in daily life?

Decimals are common in prices, distances, and weights — anytime precision is needed, from measuring ingredients to reading a thermometer.

Try These Related Quizzes

1. Which digit in the number below is the same as 10 thousandths?
98,765.312
[ ] The one
[ ] The nine
[ ] The two
[ ] The eight
2. What is three-thirds represented as a decimal number?
[ ] 0.999
[ ] 1
[ ] 3.333
[ ] 0.666
3. What is two-thirds represented as a decimal number?
[ ] 0.666
[ ] 0.6
[ ] 0.667
[ ] 0.66
4. What is one-third represented as a decimal number?
[ ] 0.3
[ ] 0.4
[ ] 0.25
[ ] 0.333
5. What is the value of the 2 in the number 101.942?
[ ] 2 thousandths
[ ] 2 hundredths
[ ] 2 tenths
[ ] 2 ten-thousandths
6. What is the value of the 5 in the number 891.256?
[ ] 5 thousandths
[ ] 5 hundredths
[ ] 5 tenths
[ ] 50 tenths
7. What is the value of the 8 in the number 0.872?
[ ] 8 thousandths
[ ] 8 hundredths
[ ] 8 tenths
[ ] 8 ones
8. What are the place positions of the numbers in the decimal parts of the numbers given?
3,101.028
[ ] 8 is in the tenths place position, 2 is in the hundredths place position, 0 is in the thousandths place position
[ ] 2 is in the tenths place position, 8 is in the hundredths place position, 0 is in the thousandths place position
[ ] 8 is in the tenths place position, 0 is in the hundredths place position, 2 is in the thousandths place position
[ ] 0 is in the tenths place position, 2 is in the hundredths place position, 8 is in the thousandths place position
9. What are the place positions of the numbers in the decimal parts of the numbers given?
106.275
[ ] 2 is in the tenths place position, 7 is in the hundredths place position, 5 is in the thousandths place position
[ ] 7 is in the tenths place position, 5 is in the hundredths place position, 2 is in the thousandths place position
[ ] 5 is in the tenths place position, 7 is in the hundredths place position, 2 is in the thousandths place position
[ ] 2 is in the tenths place position, 5 is in the hundredths place position, 7 is in the thousandths place position
10. What are the place positions of the numbers in the decimal parts of the numbers given?
27.396
[ ] 6 is in the tenths place position, 9 is in the hundredths place position, 3 is in the thousandths place position
[ ] 3 is in the tenths place position, 6 is in the hundredths place position, 9 is in the thousandths place position
[ ] 3 is in the tenths place position, 9 is in the hundredths place position, 6 is in the thousandths place position
[ ] 9 is in the tenths place position, 6 is in the hundredths place position, 3 is in the thousandths place position
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Maths Quiz - Decimal Numbers 3 (Easy) (Answers)
1. Which digit in the number below is the same as 10 thousandths?
98,765.312
[x] The one
[ ] The nine
[ ] The two
[ ] The eight
10 thousandths are the same as one-hundredth, and would be shown in decimal as 0.01
2. What is three-thirds represented as a decimal number?
[ ] 0.999
[x] 1
[ ] 3.333
[ ] 0.666
Three-thirds make one!
If all the numbers after the decimal point are zeros, then you can leave them out
3. What is two-thirds represented as a decimal number?
[ ] 0.666
[ ] 0.6
[x] 0.667
[ ] 0.66
One-third as a decimal is 0.333... so two-thirds is 0.333... + 0.333... = 0.666... which we round up to 0.667
4. What is one-third represented as a decimal number?
[ ] 0.3
[ ] 0.4
[ ] 0.25
[x] 0.333
One-third as a decimal is 1 ÷ 3 = 0.333… the threes are recurring, which means they go on forever!
5. What is the value of the 2 in the number 101.942?
[x] 2 thousandths
[ ] 2 hundredths
[ ] 2 tenths
[ ] 2 ten-thousandths
The third column after the decimal point represents thousandths, not hundredths
6. What is the value of the 5 in the number 891.256?
[ ] 5 thousandths
[x] 5 hundredths
[ ] 5 tenths
[ ] 50 tenths
Five hundredths are the same as one-twentieth
7. What is the value of the 8 in the number 0.872?
[ ] 8 thousandths
[ ] 8 hundredths
[x] 8 tenths
[ ] 8 ones
TIP:
The first number to the right of the dp is in the tenths place position, e.g. 8 in 0.8
The second number to the right of the dp is in the hundredths place position, e.g. 7 in 0.87
The third number to the right of the dp is in the thousandths place position, e.g. 2 in 0.872
8. What are the place positions of the numbers in the decimal parts of the numbers given?
3,101.028
[ ] 8 is in the tenths place position, 2 is in the hundredths place position, 0 is in the thousandths place position
[ ] 2 is in the tenths place position, 8 is in the hundredths place position, 0 is in the thousandths place position
[ ] 8 is in the tenths place position, 0 is in the hundredths place position, 2 is in the thousandths place position
[x] 0 is in the tenths place position, 2 is in the hundredths place position, 8 is in the thousandths place position
Decimal numbers are in columns just like ordinary numbers - but backwards! Thousands, hundreds, tens, ones, tenths, hundredths, thousandths
9. What are the place positions of the numbers in the decimal parts of the numbers given?
106.275
[x] 2 is in the tenths place position, 7 is in the hundredths place position, 5 is in the thousandths place position
[ ] 7 is in the tenths place position, 5 is in the hundredths place position, 2 is in the thousandths place position
[ ] 5 is in the tenths place position, 7 is in the hundredths place position, 2 is in the thousandths place position
[ ] 2 is in the tenths place position, 5 is in the hundredths place position, 7 is in the thousandths place position
There is no 'ones' column after the decimal point - it's tenths first, then hundredths, thousandths etc.
10. What are the place positions of the numbers in the decimal parts of the numbers given?
27.396
[ ] 6 is in the tenths place position, 9 is in the hundredths place position, 3 is in the thousandths place position
[ ] 3 is in the tenths place position, 6 is in the hundredths place position, 9 is in the thousandths place position
[x] 3 is in the tenths place position, 9 is in the hundredths place position, 6 is in the thousandths place position
[ ] 9 is in the tenths place position, 6 is in the hundredths place position, 3 is in the thousandths place position
TIP:
The first number to the right of the dp is in the tenths place position, e.g. 3 in 7.3
The second number to the right of the dp is in the hundredths place position, e.g. 9 in 7.39
The third number to the right of the dp is in the thousandths place position, e.g. 6 in 7.396
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