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 =
- 2.39 × 15 =
- 3.20 × 15 =
- 4.9 × 15 =
- 5.42 × 15 =
- 6.19 × 15 =
- 7.6 × 15 =
- 8.63 × 15 =
- 9.40 × 15 =
- 10.8 × 15 =
- 11.19 × 15 =
- 12.41 × 15 =
- 13.19 × 15 =
- 14.24 × 15 =
- 15.45 × 15 =
- 16.28 × 15 =
- 17.59 × 15 =
- 18.52 × 15 =
- 19.20 × 15 =
- 20.57 × 15 =
- 21.40 × 15 =
- 22.38 × 15 =
- 23.16 × 15 =
- 24.21 × 15 =
- 25.34 × 15 =
- 26.8 × 15 =
- 27.58 × 15 =
- 28.57 × 15 =
- 29.13 × 15 =
- 30.15 × 15 =
- 31.15 × 15 =
- 32.39 × 15 =
- 33.14 × 15 =
- 34.53 × 15 =
- 35.25 × 15 =
- 36.59 × 15 =
- 37.55 × 15 =
- 38.26 × 15 =
- 39.61 × 15 =
- 40.37 × 15 =
Answer key
- 480
- 585
- 300
- 135
- 630
- 285
- 90
- 945
- 600
- 120
- 285
- 615
- 285
- 360
- 675
- 420
- 885
- 780
- 300
- 855
- 600
- 570
- 240
- 315
- 510
- 120
- 870
- 855
- 195
- 225
- 225
- 585
- 210
- 795
- 375
- 885
- 825
- 390
- 915
- 555
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths