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
- 1.16 × 15 =
- 2.32 × 15 =
- 3.5 × 15 =
- 4.64 × 15 =
- 5.49 × 15 =
- 6.41 × 15 =
- 7.24 × 15 =
- 8.18 × 15 =
- 9.17 × 15 =
- 10.48 × 15 =
- 11.44 × 15 =
- 12.52 × 15 =
- 13.63 × 15 =
- 14.27 × 15 =
- 15.64 × 15 =
- 16.20 × 15 =
- 17.23 × 15 =
- 18.39 × 15 =
- 19.11 × 15 =
- 20.43 × 15 =
- 21.40 × 15 =
- 22.8 × 15 =
- 23.19 × 15 =
- 24.46 × 15 =
- 25.33 × 15 =
- 26.4 × 15 =
- 27.47 × 15 =
- 28.43 × 15 =
- 29.60 × 15 =
- 30.26 × 15 =
- 31.12 × 15 =
- 32.22 × 15 =
- 33.22 × 15 =
- 34.8 × 15 =
- 35.20 × 15 =
- 36.36 × 15 =
- 37.55 × 15 =
- 38.63 × 15 =
- 39.21 × 15 =
- 40.49 × 15 =
Answer key
- 240
- 480
- 75
- 960
- 735
- 615
- 360
- 270
- 255
- 720
- 660
- 780
- 945
- 405
- 960
- 300
- 345
- 585
- 165
- 645
- 600
- 120
- 285
- 690
- 495
- 60
- 705
- 645
- 900
- 390
- 180
- 330
- 330
- 120
- 300
- 540
- 825
- 945
- 315
- 735
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths