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fact-minute

Grades 1–5 · printable + timed

Dividing by 4 Timed Test

Print it with the answer key on page 2, or run the timer here.

Operation
Fact range
Problems
Time limit

Division · 4s · 20 problems · 1 minute NameDateScore
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
Answer key · Division · 4s · 20 problems NameDate
  1. 1 0 ÷ 4 0
  2. 2 48 ÷ 4 12
  3. 3 12 ÷ 4 3
  4. 4 28 ÷ 4 7
  5. 5 32 ÷ 8 4
  6. 6 8 ÷ 2 4
  7. 7 16 ÷ 4 4
  8. 8 8 ÷ 2 4
  9. 9 44 ÷ 11 4
  10. 10 4 ÷ 4 1
  11. 11 28 ÷ 7 4
  12. 12 24 ÷ 4 6
  13. 13 44 ÷ 4 11
  14. 14 24 ÷ 4 6
  15. 15 12 ÷ 3 4
  16. 16 48 ÷ 4 12
  17. 17 28 ÷ 7 4
  18. 18 16 ÷ 4 4
  19. 19 32 ÷ 8 4
  20. 20 16 ÷ 4 4
0 correct of 20

Correct 0 Wrong 0 Blank 20

0:00 elapsed of 1:00

Elapsed 0s Left 60s

A timed sheet on dividing by 4

Dividing by 4, from 0 ÷ 4 to 48 ÷ 4. Every problem on the sheet is drawn from that set and nothing outside it.

Choose 20, 50 or 100 problems and a limit of 1, 2 or 5 minutes, then print the sheet with its answer key on page two, or start the timer and type into the same grid. The problems are drawn again every time the page loads, so a second sheet is not a copy of the first. How the counts and limits work is on its own page, along with what a timed test does and does not measure.

Thirteen rows, with the answers

Dividing by 4: all thirteen facts and their answers.
Problem Answer
0 ÷ 4 0
4 ÷ 4 1
8 ÷ 4 2
12 ÷ 4 3
16 ÷ 4 4
20 ÷ 4 5
24 ÷ 4 6
28 ÷ 4 7
32 ÷ 4 8
36 ÷ 4 9
40 ÷ 4 10
44 ÷ 4 11
48 ÷ 4 12

Where dividing by 4 goes wrong

Dividing by 4 is halving twice — 28 → 14 → 7. Two steps means a child who cannot halve reliably will certainly stall here, and the failure looks like a division problem when it is a halving problem. Having the intermediate value said out loud shows immediately which of the two steps went wrong.

Three that come up

How do you divide by 4 mentally?
Halve twice. 36 ÷ 4 goes 36 to 18 to 9, and both halvings land on whole numbers because every dividend here is a multiple of 4.
Why does halving twice work?
Because 4 is 2 × 2, so dividing by 4 is dividing by 2 and then by 2 again.
My child gets 4s division wrong by double. Why?
One halving was skipped. Saying the middle number out loud catches it.

What the standards and the critics actually say

Common Core State Standards for Mathematics (PDF), page 23 — 3.OA.C.7 “By the end of Grade 3, know from memory all products of two one-digit numbers.” thecorestandards.org — CCSSI_Math Standards.pdf

NCTM — Procedural Fluency in Mathematics (position statement) “Timed tests do not assess fluency and can negatively affect students, and thus should be avoided.” nctm.org — Procedural Fluency in Mathematics

youcubed — Fluency Without Fear “For about one third of students the onset of timed testing is the beginning of math anxiety.” youcubed.org — Fluency Without Fear