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Mathematics · Grade 3

Equal Groups and Multiplication

Multiplication is a fast way to count equal groups. Learners read 5 × 7 as '5 groups of 7', represent products with equal groups, arrays and equal jumps on a number line, and solve story problems about bags, rows and lengths, explaining what each number in the equation means.

  • 4 lessons
  • About 80 minutes
  • Multiplication meaning check: 8 questions
  • Ways to answer: fill in the blanks, choose an answer, count, match pairs, type a number and place on a number line
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What learners will discover

  • Interpret a × b as a groups of b objects and write a multiplication equation for an equal-groups situation.
  • Represent multiplication with arrays and equal jumps on a number line, and find products by skip counting.
  • Solve word problems within 100 involving equal groups, arrays and measurement quantities using multiplication, and explain the meaning of each number.

Lessons

  1. Groups of 5 steps3 practiceabout 20 min
  2. Arrays 5 steps2 practiceabout 20 min
  3. Equal jumps 4 steps2 practiceabout 20 min
  4. Multiplication stories 6 steps3 practiceabout 20 min
  5. Multiplication 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