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Icon Addition Worksheets

These addition worksheets help students master written and mental strategies through varied tasks. Activities include column addition with carrying for numbers up to six digits, two-step word problems, and mental maths challenges involving both addition and subtraction. Learners also practise adding decimals with up to three decimal places.

Column Addition of Two 5-Digit Numbers

This maths worksheet focuses on five-digit addition with carrying.
Column Addition of Two 6-Digit Numbers

This maths worksheet focuses on six-digit addition with carrying.
Mixed Addition and Subtraction, up to 4-Digit Numbers

This worksheet has mixed addition and subtraction questions, some of which are designed to be worked out mentally.
Mixed Addition and Subtraction, up to 6-Digit Numbers

This worksheet has mixed addition and subtraction questions with numbers up to 6-digits. Some examples are designed to be worked out mentally.
Use Rounding to Check Calculations

A maths worksheet involving rounding to the nearest 100 to test addition and subtraction accuracy. All the calculations involve 4-digit numbers.
Two-Step Word Problems, up to 6-Digit Numbers

A maths worksheet with two-step word problems involving addition and subtraction of up to 6-digit numbers.
Calculations Using Rounding to the Nearest 1000

A maths worksheet using rounding 5-digit numbers to test addition and subtraction accuracy.
Mental Maths, Addition and Subtraction

Two worksheets of mixed mental maths calculations involving addition and subtraction, including negative number answers.
Adding Decimals to 3 Decimal Places with Carrying

A handy worksheet for assessing students' ability to add decimals with varying decimal places.
Adding Decimals to 3 Decimal Places

This addition of decimals worksheet will challenge students' understanding of decimals and place value as the numbers to be added vary in the number of decimal places.