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
- 1.14 × 15 =
- 2.19 × 15 =
- 3.15 × 15 =
- 4.7 × 15 =
- 5.54 × 15 =
- 6.24 × 15 =
- 7.62 × 15 =
- 8.21 × 15 =
- 9.62 × 15 =
- 10.48 × 15 =
- 11.47 × 15 =
- 12.4 × 15 =
- 13.49 × 15 =
- 14.36 × 15 =
- 15.30 × 15 =
- 16.23 × 15 =
- 17.25 × 15 =
- 18.50 × 15 =
- 19.17 × 15 =
- 20.27 × 15 =
- 21.17 × 15 =
- 22.17 × 15 =
- 23.49 × 15 =
- 24.17 × 15 =
- 25.10 × 15 =
- 26.47 × 15 =
- 27.15 × 15 =
- 28.14 × 15 =
- 29.25 × 15 =
- 30.53 × 15 =
- 31.18 × 15 =
- 32.62 × 15 =
- 33.16 × 15 =
- 34.45 × 15 =
- 35.38 × 15 =
- 36.61 × 15 =
- 37.7 × 15 =
- 38.43 × 15 =
- 39.5 × 15 =
- 40.47 × 15 =
Answer key
- 210
- 285
- 225
- 105
- 810
- 360
- 930
- 315
- 930
- 720
- 705
- 60
- 735
- 540
- 450
- 345
- 375
- 750
- 255
- 405
- 255
- 255
- 735
- 255
- 150
- 705
- 225
- 210
- 375
- 795
- 270
- 930
- 240
- 675
- 570
- 915
- 105
- 645
- 75
- 705
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths