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
- 1.62 × 15 =
- 2.6 × 15 =
- 3.54 × 15 =
- 4.51 × 15 =
- 5.24 × 15 =
- 6.32 × 15 =
- 7.45 × 15 =
- 8.58 × 15 =
- 9.9 × 15 =
- 10.17 × 15 =
- 11.45 × 15 =
- 12.10 × 15 =
- 13.24 × 15 =
- 14.14 × 15 =
- 15.21 × 15 =
- 16.24 × 15 =
- 17.10 × 15 =
- 18.32 × 15 =
- 19.62 × 15 =
- 20.30 × 15 =
- 21.33 × 15 =
- 22.50 × 15 =
- 23.16 × 15 =
- 24.39 × 15 =
- 25.8 × 15 =
- 26.41 × 15 =
- 27.30 × 15 =
- 28.27 × 15 =
- 29.19 × 15 =
- 30.31 × 15 =
- 31.25 × 15 =
- 32.53 × 15 =
- 33.41 × 15 =
- 34.48 × 15 =
- 35.57 × 15 =
- 36.51 × 15 =
- 37.45 × 15 =
- 38.8 × 15 =
- 39.51 × 15 =
- 40.25 × 15 =
Answer key
- 930
- 90
- 810
- 765
- 360
- 480
- 675
- 870
- 135
- 255
- 675
- 150
- 360
- 210
- 315
- 360
- 150
- 480
- 930
- 450
- 495
- 750
- 240
- 585
- 120
- 615
- 450
- 405
- 285
- 465
- 375
- 795
- 615
- 720
- 855
- 765
- 675
- 120
- 765
- 375
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths