Sixty division facts within 100 fill three pages of this 3rd grade drill. Part 1 keeps to dividing by 2, 5 and 10, from 6 ÷ 2 up to 100 ÷ 10. Part 2 moves on to 3, 4, 6, 7, 8 and 9, and its first five facts come with a Think line such as 7 × ? = 56. Part 3 is a timed round of 20 mixed facts, with three missing-number items like ? ÷ 8 = 7. The sheet follows Common Core 3.OA.7 and 3.OA.6. A fourth page gives every answer, plus the full multiplication fact for each Think line.
3.OA.7
“Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.”
All three parts are division facts within 100, and Part 3 mixes divisors from 2 to 10 in one timed set.
3.OA.6
“Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.”
The Think lines in Part 2 turn 42 ÷ 6 into 6 × ___ = 42.
3.OA.4
“Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?.”
Part 3 items 16 to 18 ask for a missing dividend or divisor, such as 54 ÷ ___ = 6.
Twenty facts dividing by 2, 5 and 10, such as 14 ÷ 2, 45 ÷ 5 and 90 ÷ 10.
Five boxed facts, each with a Think line like 4 × ___ = 28, then 15 more facts dividing by 3, 4, 6, 7, 8 and 9, such as 49 ÷ 7 and 81 ÷ 9.
Twenty mixed facts for a timed round. Items 16 to 18 hide the dividend or the divisor, as in 32 ÷ ___ = 8.
All 60 answers listed by part, with the multiplication fact written out for the five Think boxes.
One part a day
Use one part as a five-minute starter on three days in a row. Part 1 on its own shows who still skip-counts by 2, 5 and 10.
Model the Think line
Work the first Think box on the board, 3 × ___ = 24, before students start Part 2. Then have them write their own Think line for 36 ÷ 9.
Timed retest
Give Part 3 again a week later with the same time limit. Students compare their two scores and see their own progress.
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