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
- 1.16 × 15 =
- 2.24 × 15 =
- 3.48 × 15 =
- 4.58 × 15 =
- 5.11 × 15 =
- 6.6 × 15 =
- 7.5 × 15 =
- 8.49 × 15 =
- 9.11 × 15 =
- 10.57 × 15 =
- 11.16 × 15 =
- 12.41 × 15 =
- 13.42 × 15 =
- 14.31 × 15 =
- 15.28 × 15 =
- 16.11 × 15 =
- 17.32 × 15 =
- 18.8 × 15 =
- 19.25 × 15 =
- 20.4 × 15 =
- 21.35 × 15 =
- 22.9 × 15 =
- 23.17 × 15 =
- 24.63 × 15 =
- 25.43 × 15 =
- 26.10 × 15 =
- 27.24 × 15 =
- 28.12 × 15 =
- 29.16 × 15 =
- 30.28 × 15 =
- 31.15 × 15 =
- 32.17 × 15 =
- 33.57 × 15 =
- 34.60 × 15 =
- 35.64 × 15 =
- 36.60 × 15 =
- 37.62 × 15 =
- 38.4 × 15 =
- 39.19 × 15 =
- 40.23 × 15 =
Answer key
- 240
- 360
- 720
- 870
- 165
- 90
- 75
- 735
- 165
- 855
- 240
- 615
- 630
- 465
- 420
- 165
- 480
- 120
- 375
- 60
- 525
- 135
- 255
- 945
- 645
- 150
- 360
- 180
- 240
- 420
- 225
- 255
- 855
- 900
- 960
- 900
- 930
- 60
- 285
- 345
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths