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
- 1.59 × 15 =
- 2.32 × 15 =
- 3.57 × 15 =
- 4.62 × 15 =
- 5.45 × 15 =
- 6.6 × 15 =
- 7.32 × 15 =
- 8.7 × 15 =
- 9.21 × 15 =
- 10.56 × 15 =
- 11.53 × 15 =
- 12.53 × 15 =
- 13.24 × 15 =
- 14.49 × 15 =
- 15.12 × 15 =
- 16.32 × 15 =
- 17.18 × 15 =
- 18.27 × 15 =
- 19.36 × 15 =
- 20.45 × 15 =
- 21.50 × 15 =
- 22.16 × 15 =
- 23.41 × 15 =
- 24.14 × 15 =
- 25.4 × 15 =
- 26.27 × 15 =
- 27.44 × 15 =
- 28.30 × 15 =
- 29.14 × 15 =
- 30.63 × 15 =
- 31.8 × 15 =
- 32.13 × 15 =
- 33.64 × 15 =
- 34.10 × 15 =
- 35.10 × 15 =
- 36.18 × 15 =
- 37.58 × 15 =
- 38.19 × 15 =
- 39.12 × 15 =
- 40.24 × 15 =
Answer key
- 885
- 480
- 855
- 930
- 675
- 90
- 480
- 105
- 315
- 840
- 795
- 795
- 360
- 735
- 180
- 480
- 270
- 405
- 540
- 675
- 750
- 240
- 615
- 210
- 60
- 405
- 660
- 450
- 210
- 945
- 120
- 195
- 960
- 150
- 150
- 270
- 870
- 285
- 180
- 360
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths