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
- 1.23 × 15 =
- 2.27 × 15 =
- 3.54 × 15 =
- 4.38 × 15 =
- 5.13 × 15 =
- 6.7 × 15 =
- 7.54 × 15 =
- 8.19 × 15 =
- 9.31 × 15 =
- 10.7 × 15 =
- 11.47 × 15 =
- 12.59 × 15 =
- 13.59 × 15 =
- 14.26 × 15 =
- 15.19 × 15 =
- 16.63 × 15 =
- 17.54 × 15 =
- 18.40 × 15 =
- 19.14 × 15 =
- 20.32 × 15 =
- 21.19 × 15 =
- 22.10 × 15 =
- 23.61 × 15 =
- 24.22 × 15 =
- 25.59 × 15 =
- 26.44 × 15 =
- 27.22 × 15 =
- 28.8 × 15 =
- 29.59 × 15 =
- 30.16 × 15 =
- 31.11 × 15 =
- 32.59 × 15 =
- 33.51 × 15 =
- 34.10 × 15 =
- 35.21 × 15 =
- 36.5 × 15 =
- 37.43 × 15 =
- 38.18 × 15 =
- 39.39 × 15 =
- 40.12 × 15 =
Answer key
- 345
- 405
- 810
- 570
- 195
- 105
- 810
- 285
- 465
- 105
- 705
- 885
- 885
- 390
- 285
- 945
- 810
- 600
- 210
- 480
- 285
- 150
- 915
- 330
- 885
- 660
- 330
- 120
- 885
- 240
- 165
- 885
- 765
- 150
- 315
- 75
- 645
- 270
- 585
- 180
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths