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
- 1.33 × 15 =
- 2.58 × 15 =
- 3.39 × 15 =
- 4.60 × 15 =
- 5.23 × 15 =
- 6.44 × 15 =
- 7.12 × 15 =
- 8.61 × 15 =
- 9.22 × 15 =
- 10.61 × 15 =
- 11.34 × 15 =
- 12.43 × 15 =
- 13.44 × 15 =
- 14.18 × 15 =
- 15.11 × 15 =
- 16.13 × 15 =
- 17.54 × 15 =
- 18.21 × 15 =
- 19.57 × 15 =
- 20.6 × 15 =
- 21.6 × 15 =
- 22.42 × 15 =
- 23.26 × 15 =
- 24.7 × 15 =
- 25.36 × 15 =
- 26.29 × 15 =
- 27.45 × 15 =
- 28.30 × 15 =
- 29.58 × 15 =
- 30.27 × 15 =
- 31.35 × 15 =
- 32.57 × 15 =
- 33.13 × 15 =
- 34.17 × 15 =
- 35.45 × 15 =
- 36.52 × 15 =
- 37.35 × 15 =
- 38.24 × 15 =
- 39.20 × 15 =
- 40.15 × 15 =
Answer key
- 495
- 870
- 585
- 900
- 345
- 660
- 180
- 915
- 330
- 915
- 510
- 645
- 660
- 270
- 165
- 195
- 810
- 315
- 855
- 90
- 90
- 630
- 390
- 105
- 540
- 435
- 675
- 450
- 870
- 405
- 525
- 855
- 195
- 255
- 675
- 780
- 525
- 360
- 300
- 225
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths