Mathematics · Grade 3
Multiply and Divide within One Hundred
Learners become fluent with multiplication and division facts within 100 by using known facts and strategies, find unknown numbers in any position of a multiplication or division equation, and multiply one-digit numbers by multiples of ten (4 × 70 = 280) by thinking in tens. Fluency means accurate and strategic, never timed.
- 4 lessons
- About 80 minutes
- Facts and unknowns check: 8 questions
- Ways to answer: fill in the blanks, choose an answer, match pairs, type a number, place on a number line and sort into groups
What learners will discover
- Multiply and divide within 100 accurately, recalling facts or deriving them with a strategy, and apply them in story problems.
- Find the unknown number in a multiplication or division equation in any position (8 × ☐ = 48, ☐ ÷ 4 = 9).
- Multiply a one-digit number by a multiple of 10 (such as 4 × 70) and explain it using tens.
Lessons
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Facts with strategies 5 steps3 practiceabout 20 min
-
Unknowns in any place 5 steps3 practiceabout 20 min
-
Multiply by multiples of ten 5 steps3 practiceabout 20 min
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Facts in problems 5 steps2 practiceabout 20 min
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Facts and unknowns 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
- 3rd Grade Math Games25 games to play free
- 3rd Grade Math Worksheets14 printable worksheets
Guide for grown-ups
- Math fact fluency: how to teach addition and multiplication facts that stickA guide for teachers · 7 min read