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 =
- 2.64 × 15 =
- 3.43 × 15 =
- 4.39 × 15 =
- 5.45 × 15 =
- 6.34 × 15 =
- 7.51 × 15 =
- 8.20 × 15 =
- 9.63 × 15 =
- 10.51 × 15 =
- 11.12 × 15 =
- 12.50 × 15 =
- 13.29 × 15 =
- 14.23 × 15 =
- 15.27 × 15 =
- 16.34 × 15 =
- 17.49 × 15 =
- 18.17 × 15 =
- 19.32 × 15 =
- 20.12 × 15 =
- 21.51 × 15 =
- 22.63 × 15 =
- 23.45 × 15 =
- 24.51 × 15 =
- 25.54 × 15 =
- 26.6 × 15 =
- 27.45 × 15 =
- 28.9 × 15 =
- 29.45 × 15 =
- 30.53 × 15 =
- 31.47 × 15 =
- 32.5 × 15 =
- 33.31 × 15 =
- 34.31 × 15 =
- 35.52 × 15 =
- 36.23 × 15 =
- 37.54 × 15 =
- 38.51 × 15 =
- 39.42 × 15 =
- 40.40 × 15 =
Answer key
- 480
- 960
- 645
- 585
- 675
- 510
- 765
- 300
- 945
- 765
- 180
- 750
- 435
- 345
- 405
- 510
- 735
- 255
- 480
- 180
- 765
- 945
- 675
- 765
- 810
- 90
- 675
- 135
- 675
- 795
- 705
- 75
- 465
- 465
- 780
- 345
- 810
- 765
- 630
- 600
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths