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
- 1.11 × 15 =
- 2.61 × 15 =
- 3.57 × 15 =
- 4.43 × 15 =
- 5.45 × 15 =
- 6.9 × 15 =
- 7.19 × 15 =
- 8.64 × 15 =
- 9.31 × 15 =
- 10.36 × 15 =
- 11.44 × 15 =
- 12.6 × 15 =
- 13.40 × 15 =
- 14.27 × 15 =
- 15.36 × 15 =
- 16.39 × 15 =
- 17.42 × 15 =
- 18.54 × 15 =
- 19.19 × 15 =
- 20.37 × 15 =
- 21.33 × 15 =
- 22.58 × 15 =
- 23.21 × 15 =
- 24.56 × 15 =
- 25.21 × 15 =
- 26.17 × 15 =
- 27.12 × 15 =
- 28.46 × 15 =
- 29.30 × 15 =
- 30.62 × 15 =
- 31.16 × 15 =
- 32.40 × 15 =
- 33.19 × 15 =
- 34.42 × 15 =
- 35.26 × 15 =
- 36.6 × 15 =
- 37.22 × 15 =
- 38.62 × 15 =
- 39.53 × 15 =
- 40.15 × 15 =
Answer key
- 165
- 915
- 855
- 645
- 675
- 135
- 285
- 960
- 465
- 540
- 660
- 90
- 600
- 405
- 540
- 585
- 630
- 810
- 285
- 555
- 495
- 870
- 315
- 840
- 315
- 255
- 180
- 690
- 450
- 930
- 240
- 600
- 285
- 630
- 390
- 90
- 330
- 930
- 795
- 225
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths