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
- 1.51 × 15 =
- 2.58 × 15 =
- 3.36 × 15 =
- 4.62 × 15 =
- 5.28 × 15 =
- 6.45 × 15 =
- 7.55 × 15 =
- 8.26 × 15 =
- 9.56 × 15 =
- 10.33 × 15 =
- 11.10 × 15 =
- 12.53 × 15 =
- 13.64 × 15 =
- 14.31 × 15 =
- 15.28 × 15 =
- 16.20 × 15 =
- 17.22 × 15 =
- 18.47 × 15 =
- 19.19 × 15 =
- 20.52 × 15 =
- 21.10 × 15 =
- 22.32 × 15 =
- 23.28 × 15 =
- 24.49 × 15 =
- 25.50 × 15 =
- 26.40 × 15 =
- 27.56 × 15 =
- 28.6 × 15 =
- 29.49 × 15 =
- 30.7 × 15 =
- 31.26 × 15 =
- 32.61 × 15 =
- 33.6 × 15 =
- 34.43 × 15 =
- 35.17 × 15 =
- 36.31 × 15 =
- 37.15 × 15 =
- 38.46 × 15 =
- 39.55 × 15 =
- 40.19 × 15 =
Answer key
- 765
- 870
- 540
- 930
- 420
- 675
- 825
- 390
- 840
- 495
- 150
- 795
- 960
- 465
- 420
- 300
- 330
- 705
- 285
- 780
- 150
- 480
- 420
- 735
- 750
- 600
- 840
- 90
- 735
- 105
- 390
- 915
- 90
- 645
- 255
- 465
- 225
- 690
- 825
- 285
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths