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 =
- 2.4 × 15 =
- 3.40 × 15 =
- 4.32 × 15 =
- 5.54 × 15 =
- 6.22 × 15 =
- 7.50 × 15 =
- 8.53 × 15 =
- 9.47 × 15 =
- 10.59 × 15 =
- 11.25 × 15 =
- 12.29 × 15 =
- 13.13 × 15 =
- 14.47 × 15 =
- 15.53 × 15 =
- 16.17 × 15 =
- 17.56 × 15 =
- 18.29 × 15 =
- 19.20 × 15 =
- 20.18 × 15 =
- 21.31 × 15 =
- 22.34 × 15 =
- 23.38 × 15 =
- 24.8 × 15 =
- 25.47 × 15 =
- 26.40 × 15 =
- 27.24 × 15 =
- 28.24 × 15 =
- 29.57 × 15 =
- 30.38 × 15 =
- 31.15 × 15 =
- 32.20 × 15 =
- 33.12 × 15 =
- 34.4 × 15 =
- 35.32 × 15 =
- 36.32 × 15 =
- 37.51 × 15 =
- 38.31 × 15 =
- 39.52 × 15 =
- 40.39 × 15 =
Answer key
- 165
- 60
- 600
- 480
- 810
- 330
- 750
- 795
- 705
- 885
- 375
- 435
- 195
- 705
- 795
- 255
- 840
- 435
- 300
- 270
- 465
- 510
- 570
- 120
- 705
- 600
- 360
- 360
- 855
- 570
- 225
- 300
- 180
- 60
- 480
- 480
- 765
- 465
- 780
- 585
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths