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
- 1.28 × 15 =
- 2.57 × 15 =
- 3.52 × 15 =
- 4.24 × 15 =
- 5.5 × 15 =
- 6.48 × 15 =
- 7.38 × 15 =
- 8.28 × 15 =
- 9.40 × 15 =
- 10.54 × 15 =
- 11.24 × 15 =
- 12.7 × 15 =
- 13.50 × 15 =
- 14.8 × 15 =
- 15.16 × 15 =
- 16.52 × 15 =
- 17.58 × 15 =
- 18.20 × 15 =
- 19.49 × 15 =
- 20.8 × 15 =
- 21.21 × 15 =
- 22.4 × 15 =
- 23.34 × 15 =
- 24.56 × 15 =
- 25.18 × 15 =
- 26.9 × 15 =
- 27.41 × 15 =
- 28.38 × 15 =
- 29.18 × 15 =
- 30.42 × 15 =
- 31.29 × 15 =
- 32.59 × 15 =
- 33.35 × 15 =
- 34.43 × 15 =
- 35.43 × 15 =
- 36.18 × 15 =
- 37.11 × 15 =
- 38.62 × 15 =
- 39.61 × 15 =
- 40.51 × 15 =
Answer key
- 420
- 855
- 780
- 360
- 75
- 720
- 570
- 420
- 600
- 810
- 360
- 105
- 750
- 120
- 240
- 780
- 870
- 300
- 735
- 120
- 315
- 60
- 510
- 840
- 270
- 135
- 615
- 570
- 270
- 630
- 435
- 885
- 525
- 645
- 645
- 270
- 165
- 930
- 915
- 765
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths