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
- 1.18 × 15 =
- 2.38 × 15 =
- 3.63 × 15 =
- 4.56 × 15 =
- 5.24 × 15 =
- 6.47 × 15 =
- 7.37 × 15 =
- 8.33 × 15 =
- 9.47 × 15 =
- 10.44 × 15 =
- 11.48 × 15 =
- 12.12 × 15 =
- 13.16 × 15 =
- 14.53 × 15 =
- 15.62 × 15 =
- 16.21 × 15 =
- 17.45 × 15 =
- 18.25 × 15 =
- 19.56 × 15 =
- 20.24 × 15 =
- 21.54 × 15 =
- 22.14 × 15 =
- 23.43 × 15 =
- 24.34 × 15 =
- 25.58 × 15 =
- 26.64 × 15 =
- 27.47 × 15 =
- 28.41 × 15 =
- 29.10 × 15 =
- 30.5 × 15 =
- 31.26 × 15 =
- 32.60 × 15 =
- 33.23 × 15 =
- 34.41 × 15 =
- 35.26 × 15 =
- 36.48 × 15 =
- 37.23 × 15 =
- 38.50 × 15 =
- 39.64 × 15 =
- 40.26 × 15 =
Answer key
- 270
- 570
- 945
- 840
- 360
- 705
- 555
- 495
- 705
- 660
- 720
- 180
- 240
- 795
- 930
- 315
- 675
- 375
- 840
- 360
- 810
- 210
- 645
- 510
- 870
- 960
- 705
- 615
- 150
- 75
- 390
- 900
- 345
- 615
- 390
- 720
- 345
- 750
- 960
- 390
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths