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
- 1.26 × 15 =
- 2.60 × 15 =
- 3.38 × 15 =
- 4.22 × 15 =
- 5.46 × 15 =
- 6.40 × 15 =
- 7.4 × 15 =
- 8.49 × 15 =
- 9.58 × 15 =
- 10.57 × 15 =
- 11.25 × 15 =
- 12.24 × 15 =
- 13.6 × 15 =
- 14.60 × 15 =
- 15.42 × 15 =
- 16.58 × 15 =
- 17.32 × 15 =
- 18.11 × 15 =
- 19.33 × 15 =
- 20.17 × 15 =
- 21.9 × 15 =
- 22.46 × 15 =
- 23.37 × 15 =
- 24.45 × 15 =
- 25.38 × 15 =
- 26.48 × 15 =
- 27.19 × 15 =
- 28.61 × 15 =
- 29.53 × 15 =
- 30.10 × 15 =
- 31.10 × 15 =
- 32.49 × 15 =
- 33.8 × 15 =
- 34.18 × 15 =
- 35.57 × 15 =
- 36.11 × 15 =
- 37.59 × 15 =
- 38.19 × 15 =
- 39.30 × 15 =
- 40.15 × 15 =
Answer key
- 390
- 900
- 570
- 330
- 690
- 600
- 60
- 735
- 870
- 855
- 375
- 360
- 90
- 900
- 630
- 870
- 480
- 165
- 495
- 255
- 135
- 690
- 555
- 675
- 570
- 720
- 285
- 915
- 795
- 150
- 150
- 735
- 120
- 270
- 855
- 165
- 885
- 285
- 450
- 225
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths