Grade 4 math · B.3 · Find the Unknown
Find the missing factor: facts to 7 × 7
Use the facts you know.
See worked examples
15 ÷ □ = 5 What number goes in the box?
Answer: 3
□ × 5 = 20 What number goes in the box?
Answer: 4
□ × 5 = 25 What number goes in the box?
Answer: 5
Tip: Use the facts you know.
Curriculum
Common Core: 4.OA.A.3, 3.OA.A.4
On paper: this skill is in the printable pack Grade 4 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.