Fact families

Key Notes:

What is a Fact Family?

• A fact family is a group of related math facts.
• These facts use the same three numbers.
• They show how numbers are connected using addition and subtraction.

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🔢 Example of a Fact Family

• Numbers: 2, 3, 5

👉 Addition facts:

• 2 + 3 = 5
• 3 + 2 = 5

👉 Subtraction facts:

• 5 − 2 = 3
• 5 − 3 = 2

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🏠 Fact Family “House”

• Think of a fact family like a house 🏠:
  • The three numbers live together
  • They make 4 math sentences

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➕➖ Key Points to Remember

• Uses 3 numbers only
• Makes 4 number sentences
• Includes:
  • 2 addition facts
  • 2 subtraction facts
• Helps us understand how numbers are related

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🎯 Why is it Important?

• Helps children learn addition and subtraction easily
• Improves number sense
• Makes math fun and simple

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🧠 Easy Tip

• The biggest number is usually the answer in addition
• The same number becomes the starting number in subtraction

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✏️ Practice Example

Try with numbers 4, 6, 10:

• 4 + 6 = 10
• 6 + 4 = 10
• 10 − 4 = 6
• 10 − 6 = 4

Learn with an example

Let’s practice!