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
- 1.10 × 15 =
- 2.51 × 15 =
- 3.20 × 15 =
- 4.58 × 15 =
- 5.63 × 15 =
- 6.37 × 15 =
- 7.4 × 15 =
- 8.34 × 15 =
- 9.27 × 15 =
- 10.53 × 15 =
- 11.19 × 15 =
- 12.14 × 15 =
- 13.30 × 15 =
- 14.49 × 15 =
- 15.64 × 15 =
- 16.55 × 15 =
- 17.59 × 15 =
- 18.36 × 15 =
- 19.27 × 15 =
- 20.25 × 15 =
- 21.18 × 15 =
- 22.52 × 15 =
- 23.24 × 15 =
- 24.19 × 15 =
- 25.28 × 15 =
- 26.20 × 15 =
- 27.27 × 15 =
- 28.14 × 15 =
- 29.11 × 15 =
- 30.25 × 15 =
- 31.42 × 15 =
- 32.15 × 15 =
- 33.18 × 15 =
- 34.14 × 15 =
- 35.62 × 15 =
- 36.60 × 15 =
- 37.26 × 15 =
- 38.4 × 15 =
- 39.18 × 15 =
- 40.33 × 15 =
Answer key
- 150
- 765
- 300
- 870
- 945
- 555
- 60
- 510
- 405
- 795
- 285
- 210
- 450
- 735
- 960
- 825
- 885
- 540
- 405
- 375
- 270
- 780
- 360
- 285
- 420
- 300
- 405
- 210
- 165
- 375
- 630
- 225
- 270
- 210
- 930
- 900
- 390
- 60
- 270
- 495
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths