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
- 1.38 × 15 =
- 2.63 × 15 =
- 3.16 × 15 =
- 4.8 × 15 =
- 5.57 × 15 =
- 6.19 × 15 =
- 7.10 × 15 =
- 8.57 × 15 =
- 9.49 × 15 =
- 10.36 × 15 =
- 11.12 × 15 =
- 12.45 × 15 =
- 13.19 × 15 =
- 14.15 × 15 =
- 15.38 × 15 =
- 16.23 × 15 =
- 17.57 × 15 =
- 18.26 × 15 =
- 19.28 × 15 =
- 20.61 × 15 =
- 21.21 × 15 =
- 22.11 × 15 =
- 23.25 × 15 =
- 24.24 × 15 =
- 25.29 × 15 =
- 26.11 × 15 =
- 27.15 × 15 =
- 28.42 × 15 =
- 29.5 × 15 =
- 30.29 × 15 =
- 31.25 × 15 =
- 32.57 × 15 =
- 33.52 × 15 =
- 34.14 × 15 =
- 35.5 × 15 =
- 36.59 × 15 =
- 37.6 × 15 =
- 38.16 × 15 =
- 39.32 × 15 =
- 40.27 × 15 =
Answer key
- 570
- 945
- 240
- 120
- 855
- 285
- 150
- 855
- 735
- 540
- 180
- 675
- 285
- 225
- 570
- 345
- 855
- 390
- 420
- 915
- 315
- 165
- 375
- 360
- 435
- 165
- 225
- 630
- 75
- 435
- 375
- 855
- 780
- 210
- 75
- 885
- 90
- 240
- 480
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths