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
- 1.19 × 15 =
- 2.35 × 15 =
- 3.27 × 15 =
- 4.34 × 15 =
- 5.21 × 15 =
- 6.25 × 15 =
- 7.54 × 15 =
- 8.26 × 15 =
- 9.34 × 15 =
- 10.59 × 15 =
- 11.48 × 15 =
- 12.4 × 15 =
- 13.30 × 15 =
- 14.35 × 15 =
- 15.29 × 15 =
- 16.18 × 15 =
- 17.41 × 15 =
- 18.17 × 15 =
- 19.51 × 15 =
- 20.14 × 15 =
- 21.35 × 15 =
- 22.42 × 15 =
- 23.8 × 15 =
- 24.14 × 15 =
- 25.9 × 15 =
- 26.54 × 15 =
- 27.27 × 15 =
- 28.59 × 15 =
- 29.5 × 15 =
- 30.11 × 15 =
- 31.12 × 15 =
- 32.21 × 15 =
- 33.45 × 15 =
- 34.4 × 15 =
- 35.53 × 15 =
- 36.61 × 15 =
- 37.36 × 15 =
- 38.13 × 15 =
- 39.5 × 15 =
- 40.26 × 15 =
Answer key
- 285
- 525
- 405
- 510
- 315
- 375
- 810
- 390
- 510
- 885
- 720
- 60
- 450
- 525
- 435
- 270
- 615
- 255
- 765
- 210
- 525
- 630
- 120
- 210
- 135
- 810
- 405
- 885
- 75
- 165
- 180
- 315
- 675
- 60
- 795
- 915
- 540
- 195
- 75
- 390
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths