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
- 1.42 × 15 =
- 2.20 × 15 =
- 3.27 × 15 =
- 4.15 × 15 =
- 5.64 × 15 =
- 6.60 × 15 =
- 7.54 × 15 =
- 8.8 × 15 =
- 9.16 × 15 =
- 10.32 × 15 =
- 11.38 × 15 =
- 12.26 × 15 =
- 13.61 × 15 =
- 14.58 × 15 =
- 15.8 × 15 =
- 16.16 × 15 =
- 17.12 × 15 =
- 18.9 × 15 =
- 19.16 × 15 =
- 20.24 × 15 =
- 21.27 × 15 =
- 22.43 × 15 =
- 23.16 × 15 =
- 24.43 × 15 =
- 25.19 × 15 =
- 26.18 × 15 =
- 27.59 × 15 =
- 28.64 × 15 =
- 29.30 × 15 =
- 30.34 × 15 =
- 31.16 × 15 =
- 32.19 × 15 =
- 33.63 × 15 =
- 34.63 × 15 =
- 35.25 × 15 =
- 36.6 × 15 =
- 37.20 × 15 =
- 38.62 × 15 =
- 39.62 × 15 =
- 40.18 × 15 =
Answer key
- 630
- 300
- 405
- 225
- 960
- 900
- 810
- 120
- 240
- 480
- 570
- 390
- 915
- 870
- 120
- 240
- 180
- 135
- 240
- 360
- 405
- 645
- 240
- 645
- 285
- 270
- 885
- 960
- 450
- 510
- 240
- 285
- 945
- 945
- 375
- 90
- 300
- 930
- 930
- 270
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths