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
- 1.46 × 15 =
- 2.39 × 15 =
- 3.33 × 15 =
- 4.49 × 15 =
- 5.44 × 15 =
- 6.37 × 15 =
- 7.7 × 15 =
- 8.54 × 15 =
- 9.24 × 15 =
- 10.7 × 15 =
- 11.58 × 15 =
- 12.7 × 15 =
- 13.52 × 15 =
- 14.55 × 15 =
- 15.30 × 15 =
- 16.53 × 15 =
- 17.51 × 15 =
- 18.49 × 15 =
- 19.32 × 15 =
- 20.17 × 15 =
- 21.20 × 15 =
- 22.63 × 15 =
- 23.17 × 15 =
- 24.17 × 15 =
- 25.18 × 15 =
- 26.38 × 15 =
- 27.52 × 15 =
- 28.33 × 15 =
- 29.31 × 15 =
- 30.56 × 15 =
- 31.7 × 15 =
- 32.19 × 15 =
- 33.43 × 15 =
- 34.61 × 15 =
- 35.21 × 15 =
- 36.55 × 15 =
- 37.14 × 15 =
- 38.30 × 15 =
- 39.5 × 15 =
- 40.34 × 15 =
Answer key
- 690
- 585
- 495
- 735
- 660
- 555
- 105
- 810
- 360
- 105
- 870
- 105
- 780
- 825
- 450
- 795
- 765
- 735
- 480
- 255
- 300
- 945
- 255
- 255
- 270
- 570
- 780
- 495
- 465
- 840
- 105
- 285
- 645
- 915
- 315
- 825
- 210
- 450
- 75
- 510
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths