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
- 1.53 × 15 =
- 2.61 × 15 =
- 3.12 × 15 =
- 4.17 × 15 =
- 5.13 × 15 =
- 6.36 × 15 =
- 7.45 × 15 =
- 8.58 × 15 =
- 9.29 × 15 =
- 10.22 × 15 =
- 11.59 × 15 =
- 12.33 × 15 =
- 13.40 × 15 =
- 14.17 × 15 =
- 15.30 × 15 =
- 16.40 × 15 =
- 17.18 × 15 =
- 18.24 × 15 =
- 19.19 × 15 =
- 20.50 × 15 =
- 21.27 × 15 =
- 22.59 × 15 =
- 23.5 × 15 =
- 24.49 × 15 =
- 25.60 × 15 =
- 26.38 × 15 =
- 27.46 × 15 =
- 28.8 × 15 =
- 29.45 × 15 =
- 30.41 × 15 =
- 31.44 × 15 =
- 32.13 × 15 =
- 33.59 × 15 =
- 34.57 × 15 =
- 35.60 × 15 =
- 36.47 × 15 =
- 37.36 × 15 =
- 38.49 × 15 =
- 39.31 × 15 =
- 40.7 × 15 =
Answer key
- 795
- 915
- 180
- 255
- 195
- 540
- 675
- 870
- 435
- 330
- 885
- 495
- 600
- 255
- 450
- 600
- 270
- 360
- 285
- 750
- 405
- 885
- 75
- 735
- 900
- 570
- 690
- 120
- 675
- 615
- 660
- 195
- 885
- 855
- 900
- 705
- 540
- 735
- 465
- 105
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths