Multiply by 15 Worksheet
The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.
NameDateTime takenScore ___ / 40
- 1.52 × 15 =
- 2.12 × 15 =
- 3.57 × 15 =
- 4.34 × 15 =
- 5.62 × 15 =
- 6.62 × 15 =
- 7.14 × 15 =
- 8.38 × 15 =
- 9.5 × 15 =
- 10.62 × 15 =
- 11.60 × 15 =
- 12.19 × 15 =
- 13.31 × 15 =
- 14.50 × 15 =
- 15.36 × 15 =
- 16.63 × 15 =
- 17.22 × 15 =
- 18.27 × 15 =
- 19.62 × 15 =
- 20.14 × 15 =
- 21.49 × 15 =
- 22.14 × 15 =
- 23.35 × 15 =
- 24.17 × 15 =
- 25.13 × 15 =
- 26.62 × 15 =
- 27.16 × 15 =
- 28.32 × 15 =
- 29.5 × 15 =
- 30.10 × 15 =
- 31.16 × 15 =
- 32.52 × 15 =
- 33.34 × 15 =
- 34.40 × 15 =
- 35.15 × 15 =
- 36.19 × 15 =
- 37.7 × 15 =
- 38.46 × 15 =
- 39.30 × 15 =
- 40.22 × 15 =
Answer key
- 780
- 180
- 855
- 510
- 930
- 930
- 210
- 570
- 75
- 930
- 900
- 285
- 465
- 750
- 540
- 945
- 330
- 405
- 930
- 210
- 735
- 210
- 525
- 255
- 195
- 930
- 240
- 480
- 75
- 150
- 240
- 780
- 510
- 600
- 225
- 285
- 105
- 690
- 450
- 330
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths