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
- 1.52 × 15 =
- 2.55 × 15 =
- 3.58 × 15 =
- 4.26 × 15 =
- 5.11 × 15 =
- 6.29 × 15 =
- 7.55 × 15 =
- 8.51 × 15 =
- 9.33 × 15 =
- 10.33 × 15 =
- 11.40 × 15 =
- 12.36 × 15 =
- 13.63 × 15 =
- 14.14 × 15 =
- 15.4 × 15 =
- 16.26 × 15 =
- 17.17 × 15 =
- 18.42 × 15 =
- 19.61 × 15 =
- 20.8 × 15 =
- 21.39 × 15 =
- 22.53 × 15 =
- 23.25 × 15 =
- 24.54 × 15 =
- 25.19 × 15 =
- 26.47 × 15 =
- 27.63 × 15 =
- 28.43 × 15 =
- 29.48 × 15 =
- 30.5 × 15 =
- 31.61 × 15 =
- 32.5 × 15 =
- 33.39 × 15 =
- 34.15 × 15 =
- 35.37 × 15 =
- 36.47 × 15 =
- 37.16 × 15 =
- 38.23 × 15 =
- 39.40 × 15 =
- 40.59 × 15 =
Answer key
- 780
- 825
- 870
- 390
- 165
- 435
- 825
- 765
- 495
- 495
- 600
- 540
- 945
- 210
- 60
- 390
- 255
- 630
- 915
- 120
- 585
- 795
- 375
- 810
- 285
- 705
- 945
- 645
- 720
- 75
- 915
- 75
- 585
- 225
- 555
- 705
- 240
- 345
- 600
- 885
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths