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
- 1.52 × 15 =
- 2.9 × 15 =
- 3.63 × 15 =
- 4.29 × 15 =
- 5.58 × 15 =
- 6.27 × 15 =
- 7.37 × 15 =
- 8.62 × 15 =
- 9.44 × 15 =
- 10.12 × 15 =
- 11.20 × 15 =
- 12.19 × 15 =
- 13.5 × 15 =
- 14.51 × 15 =
- 15.40 × 15 =
- 16.19 × 15 =
- 17.61 × 15 =
- 18.14 × 15 =
- 19.48 × 15 =
- 20.23 × 15 =
- 21.61 × 15 =
- 22.24 × 15 =
- 23.12 × 15 =
- 24.21 × 15 =
- 25.16 × 15 =
- 26.60 × 15 =
- 27.25 × 15 =
- 28.22 × 15 =
- 29.17 × 15 =
- 30.60 × 15 =
- 31.41 × 15 =
- 32.29 × 15 =
- 33.59 × 15 =
- 34.13 × 15 =
- 35.14 × 15 =
- 36.43 × 15 =
- 37.62 × 15 =
- 38.7 × 15 =
- 39.23 × 15 =
- 40.64 × 15 =
Answer key
- 780
- 135
- 945
- 435
- 870
- 405
- 555
- 930
- 660
- 180
- 300
- 285
- 75
- 765
- 600
- 285
- 915
- 210
- 720
- 345
- 915
- 360
- 180
- 315
- 240
- 900
- 375
- 330
- 255
- 900
- 615
- 435
- 885
- 195
- 210
- 645
- 930
- 105
- 345
- 960
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths