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
- 1.27 × 15 =
- 2.37 × 15 =
- 3.23 × 15 =
- 4.25 × 15 =
- 5.27 × 15 =
- 6.8 × 15 =
- 7.27 × 15 =
- 8.47 × 15 =
- 9.46 × 15 =
- 10.36 × 15 =
- 11.48 × 15 =
- 12.49 × 15 =
- 13.48 × 15 =
- 14.11 × 15 =
- 15.19 × 15 =
- 16.34 × 15 =
- 17.37 × 15 =
- 18.32 × 15 =
- 19.4 × 15 =
- 20.21 × 15 =
- 21.19 × 15 =
- 22.62 × 15 =
- 23.8 × 15 =
- 24.38 × 15 =
- 25.26 × 15 =
- 26.6 × 15 =
- 27.24 × 15 =
- 28.46 × 15 =
- 29.24 × 15 =
- 30.48 × 15 =
- 31.4 × 15 =
- 32.5 × 15 =
- 33.27 × 15 =
- 34.51 × 15 =
- 35.59 × 15 =
- 36.22 × 15 =
- 37.16 × 15 =
- 38.15 × 15 =
- 39.21 × 15 =
- 40.48 × 15 =
Answer key
- 405
- 555
- 345
- 375
- 405
- 120
- 405
- 705
- 690
- 540
- 720
- 735
- 720
- 165
- 285
- 510
- 555
- 480
- 60
- 315
- 285
- 930
- 120
- 570
- 390
- 90
- 360
- 690
- 360
- 720
- 60
- 75
- 405
- 765
- 885
- 330
- 240
- 225
- 315
- 720
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths