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Add and Subtract Decimals

In this worksheet, students will practise adding and subtracting decimals in column method with a need to add zeroes to have the same number of decimal places.

'Add and Subtract Decimals' worksheet

Key stage:  KS 4

Year:  GCSE

GCSE Subjects:   Maths

GCSE Boards:   Pearson Edexcel, OCR, Eduqas, AQA,

Curriculum topic:   Number, Fractions, Decimals and Percentages

Curriculum subtopic:   Structure and Calculation Decimal Fractions

Popular topics:   Decimals worksheets

Difficulty level:  

Worksheet Overview

When you are adding and subtracting decimals, there are two key things you need to do:

1) Line up your decimal points.

2) Fill in the decimals places, so there are the same amount in each question.



e.g. 4.75 + 2.4


Step 1: Set up the addition, taking care to line up your decimal points and add extra zeros where needed.

+  2.40


Step 2: Complete the addition as normal.

+  2.40



e.g. 3.845 - 0.48


Step 1: Set up the subtraction, taking care to line up your decimal points and add extra zeros.

-  0.480


Step 2: Complete the subtraction as normal.

-  0.480



Before you start this activity, grab a pen and paper so you can write out your own addition and subtraction sums to work them out. 

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