Unknown Factors Worksheets Grade 3

Algebra

Missing Factors

Each printable worksheet below is a full page of practice problems and comes with an answer key that explains how to solve every problem, step by step. Open a worksheet and use the Print / Save as PDF button to download it.

Worksheet 1

7 problems
  1. Liam is organizing his baseball card collection. He has 72 cards total and wants to put them equally into 8 different albums. How many cards will go in each album?
  2. 7 × ? = 84
  3. Liam is organizing his baseball card collection into albums. Each album page holds 9 cards. If Liam has 72 baseball cards total, how many pages will he need to display all his cards?

…and 4 more problems

Open & Print Worksheet 1

Worksheet 2

7 problems
  1. 8 × ? = 96
  2. ? × 6 = 54
  3. A rectangular garden has a length of 24 meters and a width of 18 meters. If you walk all the way around the outside of the garden, what total distance will you walk?

…and 4 more problems

Open & Print Worksheet 2

Worksheet 3

7 problems
  1. Kai is setting up chairs for a school play. They need to arrange the chairs into 10 equal rows. Altogether there are 90 chairs. How many chairs should Kai put in each row?
  2. ? × 8 = 88
  3. Liam is organizing his baseball card collection into albums. He has 72 cards total and wants to put the same number of cards in each of his 8 albums. How many cards should Liam put in each album?

…and 4 more problems

Open & Print Worksheet 3

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