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
- 1.35 × 15 =
- 2.30 × 15 =
- 3.57 × 15 =
- 4.28 × 15 =
- 5.49 × 15 =
- 6.57 × 15 =
- 7.19 × 15 =
- 8.29 × 15 =
- 9.19 × 15 =
- 10.16 × 15 =
- 11.58 × 15 =
- 12.25 × 15 =
- 13.18 × 15 =
- 14.55 × 15 =
- 15.33 × 15 =
- 16.61 × 15 =
- 17.12 × 15 =
- 18.17 × 15 =
- 19.17 × 15 =
- 20.21 × 15 =
- 21.27 × 15 =
- 22.44 × 15 =
- 23.61 × 15 =
- 24.4 × 15 =
- 25.34 × 15 =
- 26.17 × 15 =
- 27.47 × 15 =
- 28.46 × 15 =
- 29.37 × 15 =
- 30.7 × 15 =
- 31.4 × 15 =
- 32.12 × 15 =
- 33.29 × 15 =
- 34.33 × 15 =
- 35.45 × 15 =
- 36.36 × 15 =
- 37.59 × 15 =
- 38.14 × 15 =
- 39.14 × 15 =
- 40.11 × 15 =
Answer key
- 525
- 450
- 855
- 420
- 735
- 855
- 285
- 435
- 285
- 240
- 870
- 375
- 270
- 825
- 495
- 915
- 180
- 255
- 255
- 315
- 405
- 660
- 915
- 60
- 510
- 255
- 705
- 690
- 555
- 105
- 60
- 180
- 435
- 495
- 675
- 540
- 885
- 210
- 210
- 165
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths