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
- 1.7 × 15 =
- 2.7 × 15 =
- 3.20 × 15 =
- 4.13 × 15 =
- 5.28 × 15 =
- 6.49 × 15 =
- 7.60 × 15 =
- 8.22 × 15 =
- 9.64 × 15 =
- 10.62 × 15 =
- 11.45 × 15 =
- 12.60 × 15 =
- 13.55 × 15 =
- 14.18 × 15 =
- 15.44 × 15 =
- 16.59 × 15 =
- 17.61 × 15 =
- 18.31 × 15 =
- 19.17 × 15 =
- 20.38 × 15 =
- 21.51 × 15 =
- 22.45 × 15 =
- 23.44 × 15 =
- 24.5 × 15 =
- 25.52 × 15 =
- 26.17 × 15 =
- 27.31 × 15 =
- 28.15 × 15 =
- 29.11 × 15 =
- 30.43 × 15 =
- 31.9 × 15 =
- 32.35 × 15 =
- 33.12 × 15 =
- 34.62 × 15 =
- 35.22 × 15 =
- 36.12 × 15 =
- 37.8 × 15 =
- 38.25 × 15 =
- 39.59 × 15 =
- 40.4 × 15 =
Answer key
- 105
- 105
- 300
- 195
- 420
- 735
- 900
- 330
- 960
- 930
- 675
- 900
- 825
- 270
- 660
- 885
- 915
- 465
- 255
- 570
- 765
- 675
- 660
- 75
- 780
- 255
- 465
- 225
- 165
- 645
- 135
- 525
- 180
- 930
- 330
- 180
- 120
- 375
- 885
- 60
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths