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
- 1.49 × 15 =
- 2.41 × 15 =
- 3.53 × 15 =
- 4.14 × 15 =
- 5.5 × 15 =
- 6.48 × 15 =
- 7.14 × 15 =
- 8.60 × 15 =
- 9.33 × 15 =
- 10.34 × 15 =
- 11.25 × 15 =
- 12.52 × 15 =
- 13.44 × 15 =
- 14.32 × 15 =
- 15.4 × 15 =
- 16.41 × 15 =
- 17.10 × 15 =
- 18.7 × 15 =
- 19.39 × 15 =
- 20.20 × 15 =
- 21.51 × 15 =
- 22.9 × 15 =
- 23.43 × 15 =
- 24.19 × 15 =
- 25.23 × 15 =
- 26.32 × 15 =
- 27.55 × 15 =
- 28.15 × 15 =
- 29.43 × 15 =
- 30.42 × 15 =
- 31.52 × 15 =
- 32.7 × 15 =
- 33.7 × 15 =
- 34.49 × 15 =
- 35.11 × 15 =
- 36.27 × 15 =
- 37.9 × 15 =
- 38.4 × 15 =
- 39.20 × 15 =
- 40.18 × 15 =
Answer key
- 735
- 615
- 795
- 210
- 75
- 720
- 210
- 900
- 495
- 510
- 375
- 780
- 660
- 480
- 60
- 615
- 150
- 105
- 585
- 300
- 765
- 135
- 645
- 285
- 345
- 480
- 825
- 225
- 645
- 630
- 780
- 105
- 105
- 735
- 165
- 405
- 135
- 60
- 300
- 270
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths