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
- 1.32 × 15 =
- 2.53 × 15 =
- 3.39 × 15 =
- 4.7 × 15 =
- 5.28 × 15 =
- 6.29 × 15 =
- 7.53 × 15 =
- 8.52 × 15 =
- 9.34 × 15 =
- 10.52 × 15 =
- 11.28 × 15 =
- 12.15 × 15 =
- 13.27 × 15 =
- 14.54 × 15 =
- 15.62 × 15 =
- 16.15 × 15 =
- 17.47 × 15 =
- 18.51 × 15 =
- 19.11 × 15 =
- 20.11 × 15 =
- 21.35 × 15 =
- 22.9 × 15 =
- 23.25 × 15 =
- 24.24 × 15 =
- 25.5 × 15 =
- 26.24 × 15 =
- 27.53 × 15 =
- 28.54 × 15 =
- 29.52 × 15 =
- 30.21 × 15 =
- 31.61 × 15 =
- 32.18 × 15 =
- 33.52 × 15 =
- 34.11 × 15 =
- 35.18 × 15 =
- 36.52 × 15 =
- 37.29 × 15 =
- 38.44 × 15 =
- 39.8 × 15 =
- 40.28 × 15 =
Answer key
- 480
- 795
- 585
- 105
- 420
- 435
- 795
- 780
- 510
- 780
- 420
- 225
- 405
- 810
- 930
- 225
- 705
- 765
- 165
- 165
- 525
- 135
- 375
- 360
- 75
- 360
- 795
- 810
- 780
- 315
- 915
- 270
- 780
- 165
- 270
- 780
- 435
- 660
- 120
- 420
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths