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
- 1.59 × 15 =
- 2.23 × 15 =
- 3.9 × 15 =
- 4.4 × 15 =
- 5.43 × 15 =
- 6.22 × 15 =
- 7.9 × 15 =
- 8.30 × 15 =
- 9.13 × 15 =
- 10.57 × 15 =
- 11.46 × 15 =
- 12.21 × 15 =
- 13.8 × 15 =
- 14.45 × 15 =
- 15.40 × 15 =
- 16.22 × 15 =
- 17.11 × 15 =
- 18.27 × 15 =
- 19.45 × 15 =
- 20.53 × 15 =
- 21.8 × 15 =
- 22.16 × 15 =
- 23.5 × 15 =
- 24.9 × 15 =
- 25.62 × 15 =
- 26.27 × 15 =
- 27.30 × 15 =
- 28.47 × 15 =
- 29.22 × 15 =
- 30.32 × 15 =
- 31.14 × 15 =
- 32.10 × 15 =
- 33.26 × 15 =
- 34.49 × 15 =
- 35.10 × 15 =
- 36.11 × 15 =
- 37.12 × 15 =
- 38.7 × 15 =
- 39.62 × 15 =
- 40.50 × 15 =
Answer key
- 885
- 345
- 135
- 60
- 645
- 330
- 135
- 450
- 195
- 855
- 690
- 315
- 120
- 675
- 600
- 330
- 165
- 405
- 675
- 795
- 120
- 240
- 75
- 135
- 930
- 405
- 450
- 705
- 330
- 480
- 210
- 150
- 390
- 735
- 150
- 165
- 180
- 105
- 930
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths