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
- 1.30 × 15 =
- 2.52 × 15 =
- 3.32 × 15 =
- 4.32 × 15 =
- 5.27 × 15 =
- 6.26 × 15 =
- 7.39 × 15 =
- 8.64 × 15 =
- 9.50 × 15 =
- 10.9 × 15 =
- 11.15 × 15 =
- 12.33 × 15 =
- 13.59 × 15 =
- 14.35 × 15 =
- 15.45 × 15 =
- 16.54 × 15 =
- 17.46 × 15 =
- 18.32 × 15 =
- 19.18 × 15 =
- 20.58 × 15 =
- 21.20 × 15 =
- 22.45 × 15 =
- 23.34 × 15 =
- 24.42 × 15 =
- 25.27 × 15 =
- 26.33 × 15 =
- 27.21 × 15 =
- 28.46 × 15 =
- 29.22 × 15 =
- 30.5 × 15 =
- 31.42 × 15 =
- 32.41 × 15 =
- 33.20 × 15 =
- 34.47 × 15 =
- 35.15 × 15 =
- 36.9 × 15 =
- 37.51 × 15 =
- 38.48 × 15 =
- 39.55 × 15 =
- 40.23 × 15 =
Answer key
- 450
- 780
- 480
- 480
- 405
- 390
- 585
- 960
- 750
- 135
- 225
- 495
- 885
- 525
- 675
- 810
- 690
- 480
- 270
- 870
- 300
- 675
- 510
- 630
- 405
- 495
- 315
- 690
- 330
- 75
- 630
- 615
- 300
- 705
- 225
- 135
- 765
- 720
- 825
- 345
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths