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
- 1.15 × 15 =
- 2.58 × 15 =
- 3.8 × 15 =
- 4.32 × 15 =
- 5.23 × 15 =
- 6.29 × 15 =
- 7.61 × 15 =
- 8.41 × 15 =
- 9.10 × 15 =
- 10.22 × 15 =
- 11.43 × 15 =
- 12.23 × 15 =
- 13.27 × 15 =
- 14.8 × 15 =
- 15.16 × 15 =
- 16.28 × 15 =
- 17.11 × 15 =
- 18.46 × 15 =
- 19.17 × 15 =
- 20.16 × 15 =
- 21.4 × 15 =
- 22.20 × 15 =
- 23.47 × 15 =
- 24.38 × 15 =
- 25.64 × 15 =
- 26.55 × 15 =
- 27.59 × 15 =
- 28.48 × 15 =
- 29.34 × 15 =
- 30.38 × 15 =
- 31.40 × 15 =
- 32.22 × 15 =
- 33.14 × 15 =
- 34.4 × 15 =
- 35.56 × 15 =
- 36.61 × 15 =
- 37.24 × 15 =
- 38.33 × 15 =
- 39.24 × 15 =
- 40.40 × 15 =
Answer key
- 225
- 870
- 120
- 480
- 345
- 435
- 915
- 615
- 150
- 330
- 645
- 345
- 405
- 120
- 240
- 420
- 165
- 690
- 255
- 240
- 60
- 300
- 705
- 570
- 960
- 825
- 885
- 720
- 510
- 570
- 600
- 330
- 210
- 60
- 840
- 915
- 360
- 495
- 360
- 600
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths