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
- 1.14 × 15 =
- 2.12 × 15 =
- 3.36 × 15 =
- 4.38 × 15 =
- 5.24 × 15 =
- 6.37 × 15 =
- 7.53 × 15 =
- 8.19 × 15 =
- 9.46 × 15 =
- 10.64 × 15 =
- 11.25 × 15 =
- 12.9 × 15 =
- 13.40 × 15 =
- 14.26 × 15 =
- 15.52 × 15 =
- 16.13 × 15 =
- 17.23 × 15 =
- 18.41 × 15 =
- 19.42 × 15 =
- 20.20 × 15 =
- 21.5 × 15 =
- 22.20 × 15 =
- 23.46 × 15 =
- 24.59 × 15 =
- 25.21 × 15 =
- 26.60 × 15 =
- 27.51 × 15 =
- 28.37 × 15 =
- 29.13 × 15 =
- 30.63 × 15 =
- 31.10 × 15 =
- 32.22 × 15 =
- 33.14 × 15 =
- 34.14 × 15 =
- 35.10 × 15 =
- 36.62 × 15 =
- 37.15 × 15 =
- 38.31 × 15 =
- 39.63 × 15 =
- 40.23 × 15 =
Answer key
- 210
- 180
- 540
- 570
- 360
- 555
- 795
- 285
- 690
- 960
- 375
- 135
- 600
- 390
- 780
- 195
- 345
- 615
- 630
- 300
- 75
- 300
- 690
- 885
- 315
- 900
- 765
- 555
- 195
- 945
- 150
- 330
- 210
- 210
- 150
- 930
- 225
- 465
- 945
- 345
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths