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
- 1.14 × 15 =
- 2.4 × 15 =
- 3.43 × 15 =
- 4.38 × 15 =
- 5.26 × 15 =
- 6.18 × 15 =
- 7.53 × 15 =
- 8.22 × 15 =
- 9.49 × 15 =
- 10.50 × 15 =
- 11.27 × 15 =
- 12.26 × 15 =
- 13.15 × 15 =
- 14.11 × 15 =
- 15.36 × 15 =
- 16.51 × 15 =
- 17.61 × 15 =
- 18.49 × 15 =
- 19.4 × 15 =
- 20.6 × 15 =
- 21.28 × 15 =
- 22.29 × 15 =
- 23.8 × 15 =
- 24.16 × 15 =
- 25.41 × 15 =
- 26.60 × 15 =
- 27.15 × 15 =
- 28.25 × 15 =
- 29.36 × 15 =
- 30.20 × 15 =
- 31.56 × 15 =
- 32.14 × 15 =
- 33.12 × 15 =
- 34.8 × 15 =
- 35.6 × 15 =
- 36.36 × 15 =
- 37.42 × 15 =
- 38.52 × 15 =
- 39.9 × 15 =
- 40.41 × 15 =
Answer key
- 210
- 60
- 645
- 570
- 390
- 270
- 795
- 330
- 735
- 750
- 405
- 390
- 225
- 165
- 540
- 765
- 915
- 735
- 60
- 90
- 420
- 435
- 120
- 240
- 615
- 900
- 225
- 375
- 540
- 300
- 840
- 210
- 180
- 120
- 90
- 540
- 630
- 780
- 135
- 615
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths