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 =
- 2.27 × 15 =
- 3.61 × 15 =
- 4.19 × 15 =
- 5.53 × 15 =
- 6.37 × 15 =
- 7.23 × 15 =
- 8.48 × 15 =
- 9.59 × 15 =
- 10.35 × 15 =
- 11.20 × 15 =
- 12.15 × 15 =
- 13.35 × 15 =
- 14.60 × 15 =
- 15.28 × 15 =
- 16.25 × 15 =
- 17.55 × 15 =
- 18.60 × 15 =
- 19.23 × 15 =
- 20.19 × 15 =
- 21.31 × 15 =
- 22.18 × 15 =
- 23.43 × 15 =
- 24.31 × 15 =
- 25.50 × 15 =
- 26.59 × 15 =
- 27.47 × 15 =
- 28.23 × 15 =
- 29.24 × 15 =
- 30.10 × 15 =
- 31.6 × 15 =
- 32.16 × 15 =
- 33.40 × 15 =
- 34.18 × 15 =
- 35.44 × 15 =
- 36.5 × 15 =
- 37.49 × 15 =
- 38.38 × 15 =
- 39.10 × 15 =
- 40.19 × 15 =
Answer key
- 480
- 405
- 915
- 285
- 795
- 555
- 345
- 720
- 885
- 525
- 300
- 225
- 525
- 900
- 420
- 375
- 825
- 900
- 345
- 285
- 465
- 270
- 645
- 465
- 750
- 885
- 705
- 345
- 360
- 150
- 90
- 240
- 600
- 270
- 660
- 75
- 735
- 570
- 150
- 285
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths