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
- 1.47 × 15 =
- 2.21 × 15 =
- 3.42 × 15 =
- 4.61 × 15 =
- 5.19 × 15 =
- 6.59 × 15 =
- 7.59 × 15 =
- 8.33 × 15 =
- 9.56 × 15 =
- 10.24 × 15 =
- 11.63 × 15 =
- 12.38 × 15 =
- 13.50 × 15 =
- 14.50 × 15 =
- 15.4 × 15 =
- 16.28 × 15 =
- 17.14 × 15 =
- 18.24 × 15 =
- 19.24 × 15 =
- 20.59 × 15 =
- 21.28 × 15 =
- 22.60 × 15 =
- 23.22 × 15 =
- 24.11 × 15 =
- 25.41 × 15 =
- 26.21 × 15 =
- 27.15 × 15 =
- 28.54 × 15 =
- 29.17 × 15 =
- 30.15 × 15 =
- 31.30 × 15 =
- 32.45 × 15 =
- 33.28 × 15 =
- 34.33 × 15 =
- 35.31 × 15 =
- 36.39 × 15 =
- 37.25 × 15 =
- 38.27 × 15 =
- 39.7 × 15 =
- 40.55 × 15 =
Answer key
- 705
- 315
- 630
- 915
- 285
- 885
- 885
- 495
- 840
- 360
- 945
- 570
- 750
- 750
- 60
- 420
- 210
- 360
- 360
- 885
- 420
- 900
- 330
- 165
- 615
- 315
- 225
- 810
- 255
- 225
- 450
- 675
- 420
- 495
- 465
- 585
- 375
- 405
- 105
- 825
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths