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
- 1.25 × 15 =
- 2.58 × 15 =
- 3.32 × 15 =
- 4.40 × 15 =
- 5.42 × 15 =
- 6.10 × 15 =
- 7.38 × 15 =
- 8.55 × 15 =
- 9.12 × 15 =
- 10.47 × 15 =
- 11.58 × 15 =
- 12.9 × 15 =
- 13.19 × 15 =
- 14.18 × 15 =
- 15.5 × 15 =
- 16.6 × 15 =
- 17.27 × 15 =
- 18.4 × 15 =
- 19.26 × 15 =
- 20.53 × 15 =
- 21.4 × 15 =
- 22.20 × 15 =
- 23.11 × 15 =
- 24.27 × 15 =
- 25.26 × 15 =
- 26.23 × 15 =
- 27.50 × 15 =
- 28.53 × 15 =
- 29.8 × 15 =
- 30.35 × 15 =
- 31.9 × 15 =
- 32.6 × 15 =
- 33.24 × 15 =
- 34.27 × 15 =
- 35.35 × 15 =
- 36.47 × 15 =
- 37.40 × 15 =
- 38.17 × 15 =
- 39.51 × 15 =
- 40.13 × 15 =
Answer key
- 375
- 870
- 480
- 600
- 630
- 150
- 570
- 825
- 180
- 705
- 870
- 135
- 285
- 270
- 75
- 90
- 405
- 60
- 390
- 795
- 60
- 300
- 165
- 405
- 390
- 345
- 750
- 795
- 120
- 525
- 135
- 90
- 360
- 405
- 525
- 705
- 600
- 255
- 765
- 195
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths