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
- 1.8 × 15 =
- 2.34 × 15 =
- 3.57 × 15 =
- 4.38 × 15 =
- 5.54 × 15 =
- 6.57 × 15 =
- 7.46 × 15 =
- 8.58 × 15 =
- 9.11 × 15 =
- 10.5 × 15 =
- 11.31 × 15 =
- 12.60 × 15 =
- 13.48 × 15 =
- 14.16 × 15 =
- 15.30 × 15 =
- 16.49 × 15 =
- 17.6 × 15 =
- 18.49 × 15 =
- 19.16 × 15 =
- 20.5 × 15 =
- 21.39 × 15 =
- 22.46 × 15 =
- 23.43 × 15 =
- 24.56 × 15 =
- 25.21 × 15 =
- 26.51 × 15 =
- 27.37 × 15 =
- 28.60 × 15 =
- 29.39 × 15 =
- 30.24 × 15 =
- 31.39 × 15 =
- 32.50 × 15 =
- 33.12 × 15 =
- 34.5 × 15 =
- 35.30 × 15 =
- 36.37 × 15 =
- 37.44 × 15 =
- 38.42 × 15 =
- 39.43 × 15 =
- 40.14 × 15 =
Answer key
- 120
- 510
- 855
- 570
- 810
- 855
- 690
- 870
- 165
- 75
- 465
- 900
- 720
- 240
- 450
- 735
- 90
- 735
- 240
- 75
- 585
- 690
- 645
- 840
- 315
- 765
- 555
- 900
- 585
- 360
- 585
- 750
- 180
- 75
- 450
- 555
- 660
- 630
- 645
- 210
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths