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
- 1.47 × 15 =
- 2.52 × 15 =
- 3.54 × 15 =
- 4.39 × 15 =
- 5.58 × 15 =
- 6.32 × 15 =
- 7.44 × 15 =
- 8.19 × 15 =
- 9.31 × 15 =
- 10.56 × 15 =
- 11.28 × 15 =
- 12.25 × 15 =
- 13.47 × 15 =
- 14.4 × 15 =
- 15.39 × 15 =
- 16.20 × 15 =
- 17.27 × 15 =
- 18.16 × 15 =
- 19.26 × 15 =
- 20.54 × 15 =
- 21.36 × 15 =
- 22.18 × 15 =
- 23.11 × 15 =
- 24.51 × 15 =
- 25.10 × 15 =
- 26.5 × 15 =
- 27.17 × 15 =
- 28.49 × 15 =
- 29.5 × 15 =
- 30.28 × 15 =
- 31.19 × 15 =
- 32.30 × 15 =
- 33.21 × 15 =
- 34.19 × 15 =
- 35.32 × 15 =
- 36.46 × 15 =
- 37.14 × 15 =
- 38.47 × 15 =
- 39.33 × 15 =
- 40.61 × 15 =
Answer key
- 705
- 780
- 810
- 585
- 870
- 480
- 660
- 285
- 465
- 840
- 420
- 375
- 705
- 60
- 585
- 300
- 405
- 240
- 390
- 810
- 540
- 270
- 165
- 765
- 150
- 75
- 255
- 735
- 75
- 420
- 285
- 450
- 315
- 285
- 480
- 690
- 210
- 705
- 495
- 915
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths