Topmarks Logo

Icon Addition Worksheets

Year 3 addition worksheets include column addition of three-digit numbers, word problems, and addition challenges involving length, mass, and money. Activities also cover number fact families for addition and subtraction up to 100.

Triangle Addition Puzzles

A worksheet with triangle addition puzzles.
Triangle Addition Puzzle

A tricky addition worksheet featuring triangle addition puzzles.
One-Step Addition Problems Involving Length

A worksheet with one-step addition of length word problems. All involve addition of two 2-digit numbers.
One-Step Addition Problems Involving Mass

A worksheet with one-step addition of two 2 and 3-digit number word problems involving mass.

Column Addition of Two 3-Digit Numbers, No Carrying

This maths worksheet focuses on three-digit addition with no carrying.
Column Addition of Two 3-Digit Numbers, With Carrying

This maths worksheet focuses on three-digit addition with carrying.
Column and Horizontal Addition of 3-Digit Numbers

The focus of this maths worksheet is three-digit addition, in both horizontal and column formats.
Missing Number and Addition Problems, 3-Digit Numbers

An addition worksheet which offers a challenge. Find the missing numbers in three-digit calculations and answer two word problems.
Adding three one-digit numbers, Christmas

A maths worksheet with triangle addition puzzles with a Christmas theme.
Adding Four One-Digit numbers, Christmas

A maths worksheet with triangle addition puzzles with a Christmas theme.
Addition of Money With Mixed Units

An addition of money worksheet with a mixed units reference sheet of prices for calculating shopping list totals.
Missing Signs: Add, Minus or Equals within 50

An addition and subtraction worksheet where students fill in the missing signs in the calculations within 50.
Complete Number Fact Families within 20

A straight-forward worksheet requiring completion of sets of three numbers into number fact families. Only the first example has the calculations provided.
Number Fact Families and Place Value Matching

Fact families help children develop their mental maths skills as they can use their knowledge of number connections and inverse operations to quickly find answers.
Complete the Number Fact Family

Fact families help children to use their knowledge of number connections and inverse operations to quickly find answers. They can help to improve mental maths skills.
Number Fact Families within 100

A maths worksheet on number fact families where students use one number fact family to help solve a more difficult one, by using their knowledge of number connections and inverse operations.
3-Digit Addition and Subtraction Problems

A maths worksheet with mixed addition and subtraction word problems featuring different units.
Two-Step Word Problems, Three-Digit Numbers

Three printable maths worksheets with two-step word problems involving addition and subtraction of 3-digit numbers.
Shopping Lists with Mixed Units

A two page resource with an addition of money worksheet along with a prices references sheet involving mixed units of money. Find the total cost of each given shopping list.
Add and Subtract Masses, Grams

This is a problem solving worksheet involving the addition and subtraction of masses in grams with up to 3 digit numbers.

Identifying 100 More and 100 Less

A handy 100 more, 100 less worksheet to help children develop their addition and subtraction skills.