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
- 1.26 × 15 =
- 2.8 × 15 =
- 3.55 × 15 =
- 4.52 × 15 =
- 5.4 × 15 =
- 6.19 × 15 =
- 7.54 × 15 =
- 8.41 × 15 =
- 9.34 × 15 =
- 10.57 × 15 =
- 11.17 × 15 =
- 12.62 × 15 =
- 13.18 × 15 =
- 14.6 × 15 =
- 15.29 × 15 =
- 16.58 × 15 =
- 17.16 × 15 =
- 18.38 × 15 =
- 19.23 × 15 =
- 20.59 × 15 =
- 21.57 × 15 =
- 22.52 × 15 =
- 23.52 × 15 =
- 24.38 × 15 =
- 25.44 × 15 =
- 26.55 × 15 =
- 27.21 × 15 =
- 28.64 × 15 =
- 29.44 × 15 =
- 30.47 × 15 =
- 31.28 × 15 =
- 32.9 × 15 =
- 33.41 × 15 =
- 34.19 × 15 =
- 35.59 × 15 =
- 36.47 × 15 =
- 37.16 × 15 =
- 38.30 × 15 =
- 39.35 × 15 =
- 40.53 × 15 =
Answer key
- 390
- 120
- 825
- 780
- 60
- 285
- 810
- 615
- 510
- 855
- 255
- 930
- 270
- 90
- 435
- 870
- 240
- 570
- 345
- 885
- 855
- 780
- 780
- 570
- 660
- 825
- 315
- 960
- 660
- 705
- 420
- 135
- 615
- 285
- 885
- 705
- 240
- 450
- 525
- 795
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths