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
- 1.30 × 15 =
- 2.23 × 15 =
- 3.24 × 15 =
- 4.20 × 15 =
- 5.26 × 15 =
- 6.13 × 15 =
- 7.43 × 15 =
- 8.22 × 15 =
- 9.8 × 15 =
- 10.6 × 15 =
- 11.42 × 15 =
- 12.14 × 15 =
- 13.12 × 15 =
- 14.54 × 15 =
- 15.61 × 15 =
- 16.48 × 15 =
- 17.48 × 15 =
- 18.46 × 15 =
- 19.19 × 15 =
- 20.12 × 15 =
- 21.57 × 15 =
- 22.20 × 15 =
- 23.53 × 15 =
- 24.62 × 15 =
- 25.16 × 15 =
- 26.6 × 15 =
- 27.43 × 15 =
- 28.38 × 15 =
- 29.21 × 15 =
- 30.23 × 15 =
- 31.31 × 15 =
- 32.22 × 15 =
- 33.41 × 15 =
- 34.33 × 15 =
- 35.61 × 15 =
- 36.12 × 15 =
- 37.60 × 15 =
- 38.32 × 15 =
- 39.19 × 15 =
- 40.56 × 15 =
Answer key
- 450
- 345
- 360
- 300
- 390
- 195
- 645
- 330
- 120
- 90
- 630
- 210
- 180
- 810
- 915
- 720
- 720
- 690
- 285
- 180
- 855
- 300
- 795
- 930
- 240
- 90
- 645
- 570
- 315
- 345
- 465
- 330
- 615
- 495
- 915
- 180
- 900
- 480
- 285
- 840
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths