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Develop Skills Rounding Decimals to the Nearest Whole Number

In this worksheet, students will round numbers with one or two decimal places to the nearest whole number.

'Develop Skills Rounding Decimals to the Nearest Whole Number' worksheet

Key stage:  KS 2

Year:  Year 4 Maths worksheets

Curriculum topic:   Number: Fractions and Decimals

Curriculum subtopic:   Round One Decimal Place Up/Down

Difficulty level:  

Worksheet Overview

Numbers with one decimal place have one digit after the decimal point.

To round one of these numbers to the nearest whole number, think of a number line.

 

Remember that halfway numbers such as 7.5 or 8.5 or 14.5 always round up.

 

Numbers ending in 1, 2, 3 and 4 round down.

Numbers above this, such as 5, 6, 7, 8 and 9 round up.

 

 

 

Example 1

Round 12.3 to the nearest whole number.

 

Answer

12.3 is between 12 and 13 and is closer to 12.

12.3 rounds down to 12.

 

girl thinking

 

Example 2

Round 10.8 to the nearest whole number.

 

Answer

10.8 is between 10 and 11 and is closer to 11.

10.8 rounds up to 11.

 

Example 3

Round 16.5 to the nearest whole number.

 

Answer

16.5 is halfway between 16 and 17 and so we round up.

16.5 rounds up to 17.

 

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