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
- 1.29 × 15 =
- 2.28 × 15 =
- 3.29 × 15 =
- 4.46 × 15 =
- 5.52 × 15 =
- 6.63 × 15 =
- 7.49 × 15 =
- 8.15 × 15 =
- 9.46 × 15 =
- 10.41 × 15 =
- 11.28 × 15 =
- 12.55 × 15 =
- 13.27 × 15 =
- 14.16 × 15 =
- 15.17 × 15 =
- 16.37 × 15 =
- 17.29 × 15 =
- 18.21 × 15 =
- 19.62 × 15 =
- 20.21 × 15 =
- 21.60 × 15 =
- 22.13 × 15 =
- 23.44 × 15 =
- 24.31 × 15 =
- 25.13 × 15 =
- 26.24 × 15 =
- 27.41 × 15 =
- 28.34 × 15 =
- 29.59 × 15 =
- 30.16 × 15 =
- 31.53 × 15 =
- 32.33 × 15 =
- 33.4 × 15 =
- 34.5 × 15 =
- 35.49 × 15 =
- 36.52 × 15 =
- 37.29 × 15 =
- 38.20 × 15 =
- 39.6 × 15 =
- 40.36 × 15 =
Answer key
- 435
- 420
- 435
- 690
- 780
- 945
- 735
- 225
- 690
- 615
- 420
- 825
- 405
- 240
- 255
- 555
- 435
- 315
- 930
- 315
- 900
- 195
- 660
- 465
- 195
- 360
- 615
- 510
- 885
- 240
- 795
- 495
- 60
- 75
- 735
- 780
- 435
- 300
- 90
- 540
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths