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Practise Combined Addition and Subtraction of Decimal Numbers

In this worksheet, students work out combined calculations involving addition and subtraction of decimals.

'Practise Combined Addition and Subtraction of Decimal Numbers' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this worksheet, we will learn how to do combined addition and subtraction of decimal numbers.

 

Example

Do the following additions and subtractions.

Remember to keep the decimal point and equivalent digits lined up in the correct columns.

 

579.6 - 23.02 + 614.7 - 11 = _________

 

Answer

This can be worked out in several different ways.

 

One way is to identify the additions and the subtractions.

 

579.6 - 23.02 + 614.7 - 11

 

Then add the blue numbers to get 579.6 + 614.7 = 1194.3

Then add the red numbers to get 23.02 + 11 = 34.02

Then subtract 1194.3 - 34.02 = 1160.28

Do the following additions and subtractions.

810.8 - 48.9 + 176.7 - 28 = _________

Do the following additions and subtractions.

778.1 - 26.99 + 220.1 - 24 = _________

Do the following additions and subtractions.

582.2 + 4.54 - 91.9 = _________

Do the following additions and subtractions.

522.9 - 75.96 + 680.8 - 24 = _________

Do the following additions and subtractions.

630.1 + 71.1 - 606.6 = _________

Do the following subtractions.

524.6 - 62.77 - 216.1 = _________

Do the following additions and subtractions.

708.8 - 72.84 + 572.4 - 31 = _________

Do the following additions and subtractions.

895 - 6.36 + 237.6 - 6 = _________

Do the following additions and subtractions.

273.6 - 58.98 + 392 - 38 = _________

Do the following additions.

671.7 + 18.94 + 962 = _________

  • Question 1

Do the following additions and subtractions.

810.8 - 48.9 + 176.7 - 28 = _________

CORRECT ANSWER
910.6
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 2

Do the following additions and subtractions.

778.1 - 26.99 + 220.1 - 24 = _________

CORRECT ANSWER
947.21
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 3

Do the following additions and subtractions.

582.2 + 4.54 - 91.9 = _________

CORRECT ANSWER
494.84
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 4

Do the following additions and subtractions.

522.9 - 75.96 + 680.8 - 24 = _________

CORRECT ANSWER
1103.74
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 5

Do the following additions and subtractions.

630.1 + 71.1 - 606.6 = _________

CORRECT ANSWER
94.6
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 6

Do the following subtractions.

524.6 - 62.77 - 216.1 = _________

CORRECT ANSWER
245.73
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 7

Do the following additions and subtractions.

708.8 - 72.84 + 572.4 - 31 = _________

CORRECT ANSWER
1177.36
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 8

Do the following additions and subtractions.

895 - 6.36 + 237.6 - 6 = _________

CORRECT ANSWER
1120.24
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 9

Do the following additions and subtractions.

273.6 - 58.98 + 392 - 38 = _________

CORRECT ANSWER
568.62
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
  • Question 10

Do the following additions.

671.7 + 18.94 + 962 = _________

CORRECT ANSWER
1652.64
EDDIE SAYS
Remember to keep the digits and the decimal point lined up in the correct columns.
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