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 =
- 2.20 × 15 =
- 3.61 × 15 =
- 4.34 × 15 =
- 5.24 × 15 =
- 6.35 × 15 =
- 7.15 × 15 =
- 8.24 × 15 =
- 9.12 × 15 =
- 10.41 × 15 =
- 11.46 × 15 =
- 12.16 × 15 =
- 13.19 × 15 =
- 14.32 × 15 =
- 15.34 × 15 =
- 16.19 × 15 =
- 17.44 × 15 =
- 18.63 × 15 =
- 19.12 × 15 =
- 20.28 × 15 =
- 21.52 × 15 =
- 22.10 × 15 =
- 23.26 × 15 =
- 24.37 × 15 =
- 25.62 × 15 =
- 26.62 × 15 =
- 27.17 × 15 =
- 28.49 × 15 =
- 29.10 × 15 =
- 30.38 × 15 =
- 31.48 × 15 =
- 32.15 × 15 =
- 33.30 × 15 =
- 34.13 × 15 =
- 35.15 × 15 =
- 36.10 × 15 =
- 37.19 × 15 =
- 38.58 × 15 =
- 39.51 × 15 =
- 40.7 × 15 =
Answer key
- 375
- 300
- 915
- 510
- 360
- 525
- 225
- 360
- 180
- 615
- 690
- 240
- 285
- 480
- 510
- 285
- 660
- 945
- 180
- 420
- 780
- 150
- 390
- 555
- 930
- 930
- 255
- 735
- 150
- 570
- 720
- 225
- 450
- 195
- 225
- 150
- 285
- 870
- 765
- 105
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths