Common Core maths standard · Grade 4

4.NF.A.1

Explain why a/b = (n×a)/(n×b) using fraction models: more, smaller pieces — same amount. 2 games practise it.

Grade 4

Factors & multiples · Equivalent fractions · Multi-digit multiplication · Angles

1 arcade · 1 think & learn

Arcade 4.NF.A.1

Pizzas race down the belt. Grab every one that matches the order.

Think & learn 4.NF.A.1

Slice every piece into smaller ones. More pieces, same amount — that’s an equivalent fraction.