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
- 1.33 × 15 =
- 2.60 × 15 =
- 3.35 × 15 =
- 4.58 × 15 =
- 5.57 × 15 =
- 6.21 × 15 =
- 7.14 × 15 =
- 8.51 × 15 =
- 9.44 × 15 =
- 10.5 × 15 =
- 11.34 × 15 =
- 12.27 × 15 =
- 13.26 × 15 =
- 14.48 × 15 =
- 15.39 × 15 =
- 16.11 × 15 =
- 17.61 × 15 =
- 18.32 × 15 =
- 19.62 × 15 =
- 20.33 × 15 =
- 21.13 × 15 =
- 22.24 × 15 =
- 23.38 × 15 =
- 24.6 × 15 =
- 25.54 × 15 =
- 26.27 × 15 =
- 27.14 × 15 =
- 28.23 × 15 =
- 29.6 × 15 =
- 30.24 × 15 =
- 31.23 × 15 =
- 32.55 × 15 =
- 33.59 × 15 =
- 34.15 × 15 =
- 35.51 × 15 =
- 36.11 × 15 =
- 37.22 × 15 =
- 38.45 × 15 =
- 39.60 × 15 =
- 40.26 × 15 =
Answer key
- 495
- 900
- 525
- 870
- 855
- 315
- 210
- 765
- 660
- 75
- 510
- 405
- 390
- 720
- 585
- 165
- 915
- 480
- 930
- 495
- 195
- 360
- 570
- 90
- 810
- 405
- 210
- 345
- 90
- 360
- 345
- 825
- 885
- 225
- 765
- 165
- 330
- 675
- 900
- 390
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths