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 =
- 2.54 × 15 =
- 3.6 × 15 =
- 4.44 × 15 =
- 5.5 × 15 =
- 6.35 × 15 =
- 7.8 × 15 =
- 8.27 × 15 =
- 9.52 × 15 =
- 10.18 × 15 =
- 11.32 × 15 =
- 12.13 × 15 =
- 13.61 × 15 =
- 14.53 × 15 =
- 15.14 × 15 =
- 16.29 × 15 =
- 17.13 × 15 =
- 18.29 × 15 =
- 19.23 × 15 =
- 20.24 × 15 =
- 21.9 × 15 =
- 22.13 × 15 =
- 23.55 × 15 =
- 24.28 × 15 =
- 25.39 × 15 =
- 26.29 × 15 =
- 27.60 × 15 =
- 28.25 × 15 =
- 29.48 × 15 =
- 30.54 × 15 =
- 31.47 × 15 =
- 32.62 × 15 =
- 33.4 × 15 =
- 34.15 × 15 =
- 35.31 × 15 =
- 36.34 × 15 =
- 37.45 × 15 =
- 38.41 × 15 =
- 39.28 × 15 =
- 40.49 × 15 =
Answer key
- 480
- 810
- 90
- 660
- 75
- 525
- 120
- 405
- 780
- 270
- 480
- 195
- 915
- 795
- 210
- 435
- 195
- 435
- 345
- 360
- 135
- 195
- 825
- 420
- 585
- 435
- 900
- 375
- 720
- 810
- 705
- 930
- 60
- 225
- 465
- 510
- 675
- 615
- 420
- 735
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths