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
- 1.30 × 15 =
- 2.38 × 15 =
- 3.49 × 15 =
- 4.38 × 15 =
- 5.55 × 15 =
- 6.38 × 15 =
- 7.9 × 15 =
- 8.64 × 15 =
- 9.50 × 15 =
- 10.37 × 15 =
- 11.59 × 15 =
- 12.32 × 15 =
- 13.38 × 15 =
- 14.4 × 15 =
- 15.41 × 15 =
- 16.49 × 15 =
- 17.18 × 15 =
- 18.42 × 15 =
- 19.16 × 15 =
- 20.14 × 15 =
- 21.32 × 15 =
- 22.51 × 15 =
- 23.63 × 15 =
- 24.56 × 15 =
- 25.41 × 15 =
- 26.52 × 15 =
- 27.53 × 15 =
- 28.25 × 15 =
- 29.16 × 15 =
- 30.18 × 15 =
- 31.38 × 15 =
- 32.25 × 15 =
- 33.19 × 15 =
- 34.14 × 15 =
- 35.8 × 15 =
- 36.38 × 15 =
- 37.40 × 15 =
- 38.57 × 15 =
- 39.55 × 15 =
- 40.60 × 15 =
Answer key
- 450
- 570
- 735
- 570
- 825
- 570
- 135
- 960
- 750
- 555
- 885
- 480
- 570
- 60
- 615
- 735
- 270
- 630
- 240
- 210
- 480
- 765
- 945
- 840
- 615
- 780
- 795
- 375
- 240
- 270
- 570
- 375
- 285
- 210
- 120
- 570
- 600
- 855
- 825
- 900
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths