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
- 1.35 × 15 =
- 2.49 × 15 =
- 3.33 × 15 =
- 4.23 × 15 =
- 5.63 × 15 =
- 6.42 × 15 =
- 7.13 × 15 =
- 8.64 × 15 =
- 9.51 × 15 =
- 10.55 × 15 =
- 11.31 × 15 =
- 12.31 × 15 =
- 13.17 × 15 =
- 14.64 × 15 =
- 15.9 × 15 =
- 16.25 × 15 =
- 17.9 × 15 =
- 18.16 × 15 =
- 19.14 × 15 =
- 20.45 × 15 =
- 21.37 × 15 =
- 22.15 × 15 =
- 23.25 × 15 =
- 24.38 × 15 =
- 25.46 × 15 =
- 26.15 × 15 =
- 27.20 × 15 =
- 28.53 × 15 =
- 29.14 × 15 =
- 30.61 × 15 =
- 31.62 × 15 =
- 32.22 × 15 =
- 33.9 × 15 =
- 34.7 × 15 =
- 35.11 × 15 =
- 36.63 × 15 =
- 37.41 × 15 =
- 38.6 × 15 =
- 39.24 × 15 =
- 40.34 × 15 =
Answer key
- 525
- 735
- 495
- 345
- 945
- 630
- 195
- 960
- 765
- 825
- 465
- 465
- 255
- 960
- 135
- 375
- 135
- 240
- 210
- 675
- 555
- 225
- 375
- 570
- 690
- 225
- 300
- 795
- 210
- 915
- 930
- 330
- 135
- 105
- 165
- 945
- 615
- 90
- 360
- 510
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths