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
- 1.6 × 15 =
- 2.63 × 15 =
- 3.16 × 15 =
- 4.41 × 15 =
- 5.46 × 15 =
- 6.59 × 15 =
- 7.35 × 15 =
- 8.58 × 15 =
- 9.15 × 15 =
- 10.17 × 15 =
- 11.48 × 15 =
- 12.24 × 15 =
- 13.27 × 15 =
- 14.27 × 15 =
- 15.43 × 15 =
- 16.19 × 15 =
- 17.58 × 15 =
- 18.23 × 15 =
- 19.9 × 15 =
- 20.62 × 15 =
- 21.48 × 15 =
- 22.5 × 15 =
- 23.27 × 15 =
- 24.44 × 15 =
- 25.52 × 15 =
- 26.59 × 15 =
- 27.53 × 15 =
- 28.18 × 15 =
- 29.60 × 15 =
- 30.63 × 15 =
- 31.12 × 15 =
- 32.36 × 15 =
- 33.21 × 15 =
- 34.19 × 15 =
- 35.64 × 15 =
- 36.17 × 15 =
- 37.32 × 15 =
- 38.8 × 15 =
- 39.10 × 15 =
- 40.18 × 15 =
Answer key
- 90
- 945
- 240
- 615
- 690
- 885
- 525
- 870
- 225
- 255
- 720
- 360
- 405
- 405
- 645
- 285
- 870
- 345
- 135
- 930
- 720
- 75
- 405
- 660
- 780
- 885
- 795
- 270
- 900
- 945
- 180
- 540
- 315
- 285
- 960
- 255
- 480
- 120
- 150
- 270
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths