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fact-minute

Grades 1–5 · printable + timed

12s Multiplication Timed Test

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

Operation
Fact range
Problems
Time limit

Multiplication · 12s · 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 · Multiplication · 12s · 20 problems NameDate
  1. 1 12 × 7 84
  2. 2 12 × 8 96
  3. 3 4 × 12 48
  4. 4 12 × 7 84
  5. 5 12 × 7 84
  6. 6 6 × 12 72
  7. 7 7 × 12 84
  8. 8 12 × 10 120
  9. 9 3 × 12 36
  10. 10 12 × 9 108
  11. 11 12 × 7 84
  12. 12 5 × 12 60
  13. 13 8 × 12 96
  14. 14 3 × 12 36
  15. 15 12 × 8 96
  16. 16 12 × 3 36
  17. 17 12 × 2 24
  18. 18 3 × 12 36
  19. 19 12 × 11 132
  20. 20 12 × 9 108
0 correct of 20

Correct 0 Wrong 0 Blank 20

0:00 elapsed of 1:00

Elapsed 0s Left 60s

A timed sheet on 12s

The 12 times table, 12 × 0 through 12 × 12. 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

12s Multiplication: all thirteen facts and their answers.
Problem Answer
12 × 0 0
12 × 1 12
12 × 2 24
12 × 3 36
12 × 4 48
12 × 5 60
12 × 6 72
12 × 7 84
12 × 8 96
12 × 9 108
12 × 10 120
12 × 11 132
12 × 12 144

Where 12s goes wrong

The 12s are the 10s plus the 2s: 7 × 12 is 70 + 14 = 84. Because the answer is assembled from two parts, a 12s error is usually off by something close to 10 rather than by a small amount. The table survives in school sets because of clocks, dozens and inches rather than because of arithmetic.

Three that come up

How do you multiply by 12 in your head?
Split it: ten times the number plus two times the number. 8 × 12 = 80 + 16 = 96.
Why is the 12 times table still taught?
Twelve shows up in clocks, dozens, inches per foot, and months, so the products stay useful outside arithmetic.
What does a 12s mistake usually look like?
Off by about ten, because one of the two halves of the split was wrong rather than both.

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