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
- 1.12 × 15 =
- 2.10 × 15 =
- 3.61 × 15 =
- 4.61 × 15 =
- 5.50 × 15 =
- 6.35 × 15 =
- 7.4 × 15 =
- 8.58 × 15 =
- 9.59 × 15 =
- 10.12 × 15 =
- 11.38 × 15 =
- 12.59 × 15 =
- 13.20 × 15 =
- 14.25 × 15 =
- 15.7 × 15 =
- 16.6 × 15 =
- 17.62 × 15 =
- 18.47 × 15 =
- 19.17 × 15 =
- 20.58 × 15 =
- 21.56 × 15 =
- 22.47 × 15 =
- 23.30 × 15 =
- 24.45 × 15 =
- 25.14 × 15 =
- 26.46 × 15 =
- 27.18 × 15 =
- 28.54 × 15 =
- 29.58 × 15 =
- 30.43 × 15 =
- 31.13 × 15 =
- 32.35 × 15 =
- 33.18 × 15 =
- 34.58 × 15 =
- 35.16 × 15 =
- 36.10 × 15 =
- 37.19 × 15 =
- 38.57 × 15 =
- 39.37 × 15 =
- 40.5 × 15 =
Answer key
- 180
- 150
- 915
- 915
- 750
- 525
- 60
- 870
- 885
- 180
- 570
- 885
- 300
- 375
- 105
- 90
- 930
- 705
- 255
- 870
- 840
- 705
- 450
- 675
- 210
- 690
- 270
- 810
- 870
- 645
- 195
- 525
- 270
- 870
- 240
- 150
- 285
- 855
- 555
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths