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
- 1.32 × 15 =
- 2.10 × 15 =
- 3.30 × 15 =
- 4.21 × 15 =
- 5.52 × 15 =
- 6.46 × 15 =
- 7.6 × 15 =
- 8.37 × 15 =
- 9.63 × 15 =
- 10.54 × 15 =
- 11.5 × 15 =
- 12.16 × 15 =
- 13.36 × 15 =
- 14.4 × 15 =
- 15.25 × 15 =
- 16.64 × 15 =
- 17.63 × 15 =
- 18.11 × 15 =
- 19.31 × 15 =
- 20.45 × 15 =
- 21.57 × 15 =
- 22.51 × 15 =
- 23.49 × 15 =
- 24.42 × 15 =
- 25.45 × 15 =
- 26.19 × 15 =
- 27.11 × 15 =
- 28.24 × 15 =
- 29.9 × 15 =
- 30.61 × 15 =
- 31.60 × 15 =
- 32.55 × 15 =
- 33.10 × 15 =
- 34.36 × 15 =
- 35.7 × 15 =
- 36.52 × 15 =
- 37.20 × 15 =
- 38.16 × 15 =
- 39.17 × 15 =
- 40.50 × 15 =
Answer key
- 480
- 150
- 450
- 315
- 780
- 690
- 90
- 555
- 945
- 810
- 75
- 240
- 540
- 60
- 375
- 960
- 945
- 165
- 465
- 675
- 855
- 765
- 735
- 630
- 675
- 285
- 165
- 360
- 135
- 915
- 900
- 825
- 150
- 540
- 105
- 780
- 300
- 240
- 255
- 750
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths