Fact Family Fun!

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Fact Family Icosahedron Activity

Written by Cassie (Teach Starter)

Did you know an icosahedron has 20 faces, each an equilateral triangle? Ever wondered how your students could use an icosahedron to practise fact families? These awesome new Mathematics resources are a great, hands-on fact family activity for middle years primary students who are learning about the relationships between groups of three numbers.

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What is a Fact Family?

Fact families are groups of three numbers that are related to each other and can create four different number sentences.

Addition and Subtraction Fact Families

Some fact families can create two addition number sentences and two subtraction number sentences.

For example, the numbers 3, 4 and 7 form a fact family and can be represented by the following number sentences:

3 + 4 = 7
4 + 3 = 7

7 – 3 = 4
7 – 4 = 3

Check out our editable Addition and Subtraction Fact Families PowerPoint for more to help you teach this concept to your students.

Multiplication and Division Fact Families

Some fact families can create two multiplication number sentences and two division number sentences.

For example, the numbers 3, 12 and 36 form a fact family and can be represented by the following number sentences:

3 x 12 = 36
12 x 3 = 36

36 ÷ 12 = 3
36 ÷ 3 = 12

We have a great, editable Multiplication and Division Fact Families PowerPoint too!


Hands-On Fact Family Activities

Multiplication and Division Fact Family Activity

Download these awesome fact family icosahedron resources for your students to use when practising fact family number sentences.

  1. Provide each student with an icosahedron template and a worksheet.
  2. Students cut out the net, fold along the lines and glue the tabs to form their own icosahedron.
  3. Students roll the icosahedron to land on one fact family and complete the two multiplication and two division number sentences underneath the corresponding number on the blank answer page.

multiplication and division fact family activity

Each of these resources can be downloaded in colour or black and white by selecting your preferred option from the drop-down menu beside the green “download” button.


If you and your students love hands-on activities as alternatives to traditional worksheets, you might like to check out these other awesome fact families resources:

Make your classroom buzz! Create a free Teach Starter account and download hundreds of time-saving resources. Find out more


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