Strategy: If you see ? × 4 = 28, ask yourself:
"What number times 4 equals 28?" You can also divide: 28 ÷ 4 = 7.
Instructions
Each equation has a missing number (the factor) marked with a pink dashed box. Type the number that makes the equation true. Work through all four sections and click Check Answers when you're done!
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1
Missing first factor · ? × n = product
Find the number that belongs in the first position.
2
Missing second factor · n × ? = product
Find the number that belongs in the second position.
3
Drag the numbers into the right place
Each number in the bank fits exactly one equation. Drag it (or tap to select, then tap the slot).
Number bank — drag from here
Fill in each equation
4
Word problems
Set up the equation, then find the missing factor.