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 =
- 2.25 × 15 =
- 3.38 × 15 =
- 4.6 × 15 =
- 5.48 × 15 =
- 6.25 × 15 =
- 7.50 × 15 =
- 8.48 × 15 =
- 9.47 × 15 =
- 10.57 × 15 =
- 11.17 × 15 =
- 12.63 × 15 =
- 13.15 × 15 =
- 14.35 × 15 =
- 15.29 × 15 =
- 16.48 × 15 =
- 17.49 × 15 =
- 18.25 × 15 =
- 19.5 × 15 =
- 20.22 × 15 =
- 21.9 × 15 =
- 22.38 × 15 =
- 23.7 × 15 =
- 24.45 × 15 =
- 25.21 × 15 =
- 26.55 × 15 =
- 27.32 × 15 =
- 28.32 × 15 =
- 29.7 × 15 =
- 30.46 × 15 =
- 31.11 × 15 =
- 32.8 × 15 =
- 33.49 × 15 =
- 34.11 × 15 =
- 35.12 × 15 =
- 36.22 × 15 =
- 37.4 × 15 =
- 38.29 × 15 =
- 39.46 × 15 =
- 40.49 × 15 =
Answer key
- 375
- 375
- 570
- 90
- 720
- 375
- 750
- 720
- 705
- 855
- 255
- 945
- 225
- 525
- 435
- 720
- 735
- 375
- 75
- 330
- 135
- 570
- 105
- 675
- 315
- 825
- 480
- 480
- 105
- 690
- 165
- 120
- 735
- 165
- 180
- 330
- 60
- 435
- 690
- 735
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths