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

10 problems
  1. 8 × ? = 56
  2. 8 × ? = 72
  3. Liam is organizing his baseball card collection into 8 equal piles. He has 72 baseball cards in total. How many cards should be in each pile?

…and 7 more problems

Open & Print Worksheet 1

Worksheet 2

7 problems
  1. Liam is organizing his trading cards 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?
  2. Liam is organizing his baseball card collection into albums. Each album page holds 8 cards. If Liam has 72 cards total, how many full pages will he fill?
  3. Max is arranging chairs for a school assembly. There are 36 chairs in total, and Max puts them into 6 equal rows. How many chairs are in each row?

…and 4 more problems

Open & Print Worksheet 2

Worksheet 3

8 problems
  1. Liam is organizing his baseball card collection. He has 72 cards total and wants to put them into albums. Each album page holds 8 cards. How many pages will Liam need for all his baseball cards?
  2. Liam is organizing his baseball cards 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?
  3. Emma is placing 50 books on shelves. She arranges them into 5 equal rows. How many books are in each row?

…and 5 more problems

Open & Print Worksheet 3

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