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
- 1.57 × 15 =
- 2.46 × 15 =
- 3.51 × 15 =
- 4.40 × 15 =
- 5.7 × 15 =
- 6.57 × 15 =
- 7.46 × 15 =
- 8.38 × 15 =
- 9.14 × 15 =
- 10.5 × 15 =
- 11.7 × 15 =
- 12.6 × 15 =
- 13.25 × 15 =
- 14.58 × 15 =
- 15.39 × 15 =
- 16.31 × 15 =
- 17.64 × 15 =
- 18.11 × 15 =
- 19.6 × 15 =
- 20.60 × 15 =
- 21.37 × 15 =
- 22.50 × 15 =
- 23.19 × 15 =
- 24.26 × 15 =
- 25.63 × 15 =
- 26.48 × 15 =
- 27.25 × 15 =
- 28.12 × 15 =
- 29.15 × 15 =
- 30.8 × 15 =
- 31.39 × 15 =
- 32.61 × 15 =
- 33.25 × 15 =
- 34.9 × 15 =
- 35.43 × 15 =
- 36.22 × 15 =
- 37.6 × 15 =
- 38.4 × 15 =
- 39.19 × 15 =
- 40.14 × 15 =
Answer key
- 855
- 690
- 765
- 600
- 105
- 855
- 690
- 570
- 210
- 75
- 105
- 90
- 375
- 870
- 585
- 465
- 960
- 165
- 90
- 900
- 555
- 750
- 285
- 390
- 945
- 720
- 375
- 180
- 225
- 120
- 585
- 915
- 375
- 135
- 645
- 330
- 90
- 60
- 285
- 210
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths