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
- 1.58 × 15 =
- 2.11 × 15 =
- 3.62 × 15 =
- 4.55 × 15 =
- 5.8 × 15 =
- 6.23 × 15 =
- 7.59 × 15 =
- 8.38 × 15 =
- 9.17 × 15 =
- 10.53 × 15 =
- 11.13 × 15 =
- 12.8 × 15 =
- 13.27 × 15 =
- 14.37 × 15 =
- 15.48 × 15 =
- 16.34 × 15 =
- 17.36 × 15 =
- 18.59 × 15 =
- 19.38 × 15 =
- 20.58 × 15 =
- 21.20 × 15 =
- 22.15 × 15 =
- 23.24 × 15 =
- 24.37 × 15 =
- 25.36 × 15 =
- 26.42 × 15 =
- 27.46 × 15 =
- 28.33 × 15 =
- 29.23 × 15 =
- 30.38 × 15 =
- 31.13 × 15 =
- 32.64 × 15 =
- 33.14 × 15 =
- 34.30 × 15 =
- 35.17 × 15 =
- 36.15 × 15 =
- 37.37 × 15 =
- 38.64 × 15 =
- 39.18 × 15 =
- 40.48 × 15 =
Answer key
- 870
- 165
- 930
- 825
- 120
- 345
- 885
- 570
- 255
- 795
- 195
- 120
- 405
- 555
- 720
- 510
- 540
- 885
- 570
- 870
- 300
- 225
- 360
- 555
- 540
- 630
- 690
- 495
- 345
- 570
- 195
- 960
- 210
- 450
- 255
- 225
- 555
- 960
- 270
- 720
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths