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Mathematics · Grade 3

Division as Grouping and Sharing

Division answers two different questions: how many in each share, and how many groups. Learners share objects equally, make groups of a given size, connect both meanings to the division sign, solve divisions by thinking of the missing factor in a multiplication, and decide which meaning fits each story problem.

  • 4 lessons
  • About 80 minutes
  • Division meaning check: 8 questions
  • Ways to answer: fill in the blanks, choose an answer, match pairs, type a number, share out one each and sort into groups
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What learners will discover

  • Interpret division as sharing equally: find how many are in each share.
  • Interpret division as grouping: find how many groups of a given size can be made.
  • Solve a division by finding the unknown factor in a related multiplication (32 ÷ 8 = ? because 8 × ? = 32).
  • Solve division word problems within 100, decide which meaning fits, and explain what the answer means.

Lessons

  1. Sharing equally 5 steps3 practiceabout 20 min
  2. Making groups 5 steps3 practiceabout 20 min
  3. Think multiplication 6 steps4 practiceabout 20 min
  4. Division stories 5 steps2 practiceabout 20 min
  5. Division meaning check 8 questions at the end

Keep exploring

Games to practice with

  • Number-Line HopHelp the frog hop to the right number — from counting to negative fractions.
  • Paint by AnswersSolve each space, dip your brush and watch a picture come to life.
  • Place-Value WorkshopBuild numbers with rods and cubes — and trade ten ones for a ten.

More 3rd grade math

Guide for grown-ups