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
- 1.46 × 15 =
- 2.45 × 15 =
- 3.32 × 15 =
- 4.63 × 15 =
- 5.32 × 15 =
- 6.57 × 15 =
- 7.9 × 15 =
- 8.52 × 15 =
- 9.59 × 15 =
- 10.32 × 15 =
- 11.34 × 15 =
- 12.55 × 15 =
- 13.38 × 15 =
- 14.50 × 15 =
- 15.6 × 15 =
- 16.53 × 15 =
- 17.16 × 15 =
- 18.17 × 15 =
- 19.13 × 15 =
- 20.52 × 15 =
- 21.13 × 15 =
- 22.30 × 15 =
- 23.42 × 15 =
- 24.7 × 15 =
- 25.42 × 15 =
- 26.42 × 15 =
- 27.26 × 15 =
- 28.22 × 15 =
- 29.58 × 15 =
- 30.9 × 15 =
- 31.17 × 15 =
- 32.22 × 15 =
- 33.39 × 15 =
- 34.41 × 15 =
- 35.41 × 15 =
- 36.34 × 15 =
- 37.8 × 15 =
- 38.45 × 15 =
- 39.40 × 15 =
- 40.5 × 15 =
Answer key
- 690
- 675
- 480
- 945
- 480
- 855
- 135
- 780
- 885
- 480
- 510
- 825
- 570
- 750
- 90
- 795
- 240
- 255
- 195
- 780
- 195
- 450
- 630
- 105
- 630
- 630
- 390
- 330
- 870
- 135
- 255
- 330
- 585
- 615
- 615
- 510
- 120
- 675
- 600
- 75
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths