Practice · Missing Numbers & Fact Families — L3 Fact families: facts that belong together

Question 1 of 8 · 0 correct so far
Difficulty: Medium
Short answer

The family is 3, 4, 7. What is 7 − 4?

Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.

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