Fun with Doubles Facts

Core Concepts

Learn to quickly add a number to itself. These 'doubles facts' are a key building block for solving other, more complex addition problems.

Fun with Doubles Facts

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What is a 'doubles fact' in addition?

A doubles fact is when you add a number to itself, like $3 + 3$ or $5 + 5$.

$$ 1 + 1 = ? $$

$$ 1 + 1 = 2 $$

$$ 2 + 2 = ? $$

$$ 2 + 2 = 4 $$

$$ 3 + 3 = ? $$

$$ 3 + 3 = 6 $$

$$ 4 + 4 = ? $$

$$ 4 + 4 = 8 $$

$$ 5 + 5 = ? $$

$$ 5 + 5 = 10 $$

$$ 6 + 6 = ? $$

$$ 6 + 6 = 12 $$

$$ 7 + 7 = ? $$

$$ 7 + 7 = 14 $$

$$ 8 + 8 = ? $$

$$ 8 + 8 = 16 $$

$$ 9 + 9 = ? $$

$$ 9 + 9 = 18 $$

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