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
- 1.47 × 15 =
- 2.42 × 15 =
- 3.20 × 15 =
- 4.30 × 15 =
- 5.29 × 15 =
- 6.24 × 15 =
- 7.27 × 15 =
- 8.18 × 15 =
- 9.10 × 15 =
- 10.14 × 15 =
- 11.54 × 15 =
- 12.6 × 15 =
- 13.16 × 15 =
- 14.15 × 15 =
- 15.25 × 15 =
- 16.9 × 15 =
- 17.50 × 15 =
- 18.37 × 15 =
- 19.7 × 15 =
- 20.36 × 15 =
- 21.9 × 15 =
- 22.46 × 15 =
- 23.14 × 15 =
- 24.61 × 15 =
- 25.23 × 15 =
- 26.46 × 15 =
- 27.47 × 15 =
- 28.23 × 15 =
- 29.56 × 15 =
- 30.37 × 15 =
- 31.17 × 15 =
- 32.25 × 15 =
- 33.42 × 15 =
- 34.36 × 15 =
- 35.45 × 15 =
- 36.38 × 15 =
- 37.49 × 15 =
- 38.10 × 15 =
- 39.30 × 15 =
- 40.63 × 15 =
Answer key
- 705
- 630
- 300
- 450
- 435
- 360
- 405
- 270
- 150
- 210
- 810
- 90
- 240
- 225
- 375
- 135
- 750
- 555
- 105
- 540
- 135
- 690
- 210
- 915
- 345
- 690
- 705
- 345
- 840
- 555
- 255
- 375
- 630
- 540
- 675
- 570
- 735
- 150
- 450
- 945
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths