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 =
- 2.64 × 15 =
- 3.54 × 15 =
- 4.56 × 15 =
- 5.59 × 15 =
- 6.13 × 15 =
- 7.52 × 15 =
- 8.62 × 15 =
- 9.25 × 15 =
- 10.22 × 15 =
- 11.9 × 15 =
- 12.16 × 15 =
- 13.26 × 15 =
- 14.25 × 15 =
- 15.7 × 15 =
- 16.41 × 15 =
- 17.30 × 15 =
- 18.23 × 15 =
- 19.63 × 15 =
- 20.18 × 15 =
- 21.16 × 15 =
- 22.42 × 15 =
- 23.27 × 15 =
- 24.45 × 15 =
- 25.4 × 15 =
- 26.39 × 15 =
- 27.53 × 15 =
- 28.6 × 15 =
- 29.52 × 15 =
- 30.45 × 15 =
- 31.14 × 15 =
- 32.28 × 15 =
- 33.18 × 15 =
- 34.5 × 15 =
- 35.40 × 15 =
- 36.16 × 15 =
- 37.12 × 15 =
- 38.63 × 15 =
- 39.46 × 15 =
- 40.13 × 15 =
Answer key
- 495
- 960
- 810
- 840
- 885
- 195
- 780
- 930
- 375
- 330
- 135
- 240
- 390
- 375
- 105
- 615
- 450
- 345
- 945
- 270
- 240
- 630
- 405
- 675
- 60
- 585
- 795
- 90
- 780
- 675
- 210
- 420
- 270
- 75
- 600
- 240
- 180
- 945
- 690
- 195
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths