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
- 1.27 × 15 =
- 2.52 × 15 =
- 3.58 × 15 =
- 4.60 × 15 =
- 5.25 × 15 =
- 6.33 × 15 =
- 7.64 × 15 =
- 8.5 × 15 =
- 9.26 × 15 =
- 10.10 × 15 =
- 11.29 × 15 =
- 12.43 × 15 =
- 13.8 × 15 =
- 14.55 × 15 =
- 15.30 × 15 =
- 16.42 × 15 =
- 17.53 × 15 =
- 18.54 × 15 =
- 19.13 × 15 =
- 20.62 × 15 =
- 21.6 × 15 =
- 22.52 × 15 =
- 23.45 × 15 =
- 24.41 × 15 =
- 25.62 × 15 =
- 26.22 × 15 =
- 27.11 × 15 =
- 28.51 × 15 =
- 29.55 × 15 =
- 30.7 × 15 =
- 31.31 × 15 =
- 32.19 × 15 =
- 33.63 × 15 =
- 34.8 × 15 =
- 35.25 × 15 =
- 36.12 × 15 =
- 37.45 × 15 =
- 38.45 × 15 =
- 39.4 × 15 =
- 40.7 × 15 =
Answer key
- 405
- 780
- 870
- 900
- 375
- 495
- 960
- 75
- 390
- 150
- 435
- 645
- 120
- 825
- 450
- 630
- 795
- 810
- 195
- 930
- 90
- 780
- 675
- 615
- 930
- 330
- 165
- 765
- 825
- 105
- 465
- 285
- 945
- 120
- 375
- 180
- 675
- 675
- 60
- 105
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths