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
- 1.62 × 15 =
- 2.9 × 15 =
- 3.47 × 15 =
- 4.38 × 15 =
- 5.17 × 15 =
- 6.26 × 15 =
- 7.8 × 15 =
- 8.17 × 15 =
- 9.11 × 15 =
- 10.14 × 15 =
- 11.55 × 15 =
- 12.7 × 15 =
- 13.60 × 15 =
- 14.20 × 15 =
- 15.21 × 15 =
- 16.16 × 15 =
- 17.40 × 15 =
- 18.60 × 15 =
- 19.17 × 15 =
- 20.27 × 15 =
- 21.31 × 15 =
- 22.46 × 15 =
- 23.20 × 15 =
- 24.6 × 15 =
- 25.37 × 15 =
- 26.26 × 15 =
- 27.36 × 15 =
- 28.49 × 15 =
- 29.49 × 15 =
- 30.57 × 15 =
- 31.14 × 15 =
- 32.51 × 15 =
- 33.8 × 15 =
- 34.48 × 15 =
- 35.58 × 15 =
- 36.47 × 15 =
- 37.48 × 15 =
- 38.62 × 15 =
- 39.23 × 15 =
- 40.33 × 15 =
Answer key
- 930
- 135
- 705
- 570
- 255
- 390
- 120
- 255
- 165
- 210
- 825
- 105
- 900
- 300
- 315
- 240
- 600
- 900
- 255
- 405
- 465
- 690
- 300
- 90
- 555
- 390
- 540
- 735
- 735
- 855
- 210
- 765
- 120
- 720
- 870
- 705
- 720
- 930
- 345
- 495
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths