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Rounding Decimals (1)

In this worksheet, students must round numbers with two decimal places to one decimal place.

'Rounding Decimals (1)' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Decimals

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Numbers with 2 decimal places have 2 digits after the decimal point.

To round one of these numbers to the nearest 1 decimal place number think of a number line.

 

Numbers ending in 1, 2, 3, 4 round DOWN.

Numbers above this, those ending in 5, 6, 7, 8 and 9 round UP.

Remember that halfway numbers, such as 7.50 round UP.

 

 

Here 7.35 is between 7.3 and 7.4, but rounds up to 7.4 to one decimal place.

 

 

Example 1

Round 12.63 to one decimal place.

 

Answer

12.63 is between 12.6 and 12.7, but is closer to 12.6.

12.63 rounds down to 12.6.

 

 

Example 2

Round 10.38 to one decimal place.

 

Answer

10.38 is between 10.3 and 10.4, but is closer to 10.4.

10.38 rounds up to 10.4.

 

 

Example 3

Round 16.65 to one decimal place.

 

Answer

16.65 is halfway between 16.6 and 16.7 and so we round up.

16.65 rounds up to 16.7.

Round this decimal number to 1 decimal place:

3.84

Round this decimal number to 1 decimal place:

3.16

Round this decimal number to 1 decimal place:

6.37

Round this decimal number to 1 decimal place:

6.75

Round this decimal number to 1 decimal place:

8.69

Round this decimal number to 1 decimal place:

1.11

Round this decimal number to 1 decimal place:

4.15

Round this decimal number to 1 decimal place:

7.44

Round this decimal number to 1 decimal place:

7.95

Round this decimal number to 1 decimal place:

0.88

  • Question 1

Round this decimal number to 1 decimal place:

3.84

CORRECT ANSWER
3.8
EDDIE SAYS
3.84 is between 3.8 and 3.9, but closer to 3.8.
  • Question 2

Round this decimal number to 1 decimal place:

3.16

CORRECT ANSWER
3.2
EDDIE SAYS
3.16 is between 3.1 and 3.2, but closer to 3.2.
  • Question 3

Round this decimal number to 1 decimal place:

6.37

CORRECT ANSWER
6.4
EDDIE SAYS
6.37 is between 6.3 and 6.4, but closer to 6.4.
  • Question 4

Round this decimal number to 1 decimal place:

6.75

CORRECT ANSWER
6.8
EDDIE SAYS
6.75 is halfway between 6.7 and 6.8, so we round up to 6.8.
  • Question 5

Round this decimal number to 1 decimal place:

8.69

CORRECT ANSWER
8.7
EDDIE SAYS
8.69 is between 8.6 and 8.7, but closer to 8.7.
  • Question 6

Round this decimal number to 1 decimal place:

1.11

CORRECT ANSWER
1.1
EDDIE SAYS
1.11 is between 1.1 and 1.2, but closer to 1.1.
  • Question 7

Round this decimal number to 1 decimal place:

4.15

CORRECT ANSWER
4.2
EDDIE SAYS
4.15 is halfway between 4.1 and 4.2, so we round up to 4.2.
  • Question 8

Round this decimal number to 1 decimal place:

7.44

CORRECT ANSWER
7.4
EDDIE SAYS
7.44 is between 7.4 and 7.5, but closer to 7.4.
  • Question 9

Round this decimal number to 1 decimal place:

7.95

CORRECT ANSWER
8.0
EDDIE SAYS
7.95 is halfway between 7.9 and 8.0, so we round up to 8.0.
  • Question 10

Round this decimal number to 1 decimal place:

0.88

CORRECT ANSWER
0.9
EDDIE SAYS
0.88 is between 0.8 and 0.9, but closer to 0.9.
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