Grade 3 · Math

Find a missing factor

LET’S TRY ONE

Find the missing number: 6 × ___ = 42.

7

42 ÷ 6 = 7, so the missing factor is 7.

Your turn!
Learning steps & teaching tips

Find an unknown factor in a multiplication equation.

  1. Divide the total by the known factor.
  2. Work through the example. Explain how its evidence supports the answer.
  3. Try a new question; use the explanation to check your thinking.

Try it together

Write or draw your own example with different numbers. Solve it, then ask a partner to check the method as well as the answer.

Divide the total by the known factor.