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
- 1.5 × 15 =
- 2.20 × 15 =
- 3.4 × 15 =
- 4.43 × 15 =
- 5.8 × 15 =
- 6.20 × 15 =
- 7.36 × 15 =
- 8.59 × 15 =
- 9.11 × 15 =
- 10.37 × 15 =
- 11.63 × 15 =
- 12.6 × 15 =
- 13.47 × 15 =
- 14.37 × 15 =
- 15.38 × 15 =
- 16.59 × 15 =
- 17.10 × 15 =
- 18.48 × 15 =
- 19.38 × 15 =
- 20.46 × 15 =
- 21.26 × 15 =
- 22.48 × 15 =
- 23.7 × 15 =
- 24.18 × 15 =
- 25.46 × 15 =
- 26.54 × 15 =
- 27.21 × 15 =
- 28.30 × 15 =
- 29.13 × 15 =
- 30.8 × 15 =
- 31.57 × 15 =
- 32.11 × 15 =
- 33.32 × 15 =
- 34.12 × 15 =
- 35.16 × 15 =
- 36.17 × 15 =
- 37.19 × 15 =
- 38.53 × 15 =
- 39.21 × 15 =
- 40.42 × 15 =
Answer key
- 75
- 300
- 60
- 645
- 120
- 300
- 540
- 885
- 165
- 555
- 945
- 90
- 705
- 555
- 570
- 885
- 150
- 720
- 570
- 690
- 390
- 720
- 105
- 270
- 690
- 810
- 315
- 450
- 195
- 120
- 855
- 165
- 480
- 180
- 240
- 255
- 285
- 795
- 315
- 630
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths