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
- 1.39 × 15 =
- 2.32 × 15 =
- 3.57 × 15 =
- 4.54 × 15 =
- 5.23 × 15 =
- 6.63 × 15 =
- 7.60 × 15 =
- 8.57 × 15 =
- 9.5 × 15 =
- 10.14 × 15 =
- 11.42 × 15 =
- 12.27 × 15 =
- 13.43 × 15 =
- 14.41 × 15 =
- 15.56 × 15 =
- 16.7 × 15 =
- 17.59 × 15 =
- 18.45 × 15 =
- 19.12 × 15 =
- 20.5 × 15 =
- 21.6 × 15 =
- 22.25 × 15 =
- 23.33 × 15 =
- 24.41 × 15 =
- 25.46 × 15 =
- 26.56 × 15 =
- 27.44 × 15 =
- 28.60 × 15 =
- 29.16 × 15 =
- 30.35 × 15 =
- 31.6 × 15 =
- 32.53 × 15 =
- 33.56 × 15 =
- 34.19 × 15 =
- 35.8 × 15 =
- 36.50 × 15 =
- 37.35 × 15 =
- 38.11 × 15 =
- 39.25 × 15 =
- 40.27 × 15 =
Answer key
- 585
- 480
- 855
- 810
- 345
- 945
- 900
- 855
- 75
- 210
- 630
- 405
- 645
- 615
- 840
- 105
- 885
- 675
- 180
- 75
- 90
- 375
- 495
- 615
- 690
- 840
- 660
- 900
- 240
- 525
- 90
- 795
- 840
- 285
- 120
- 750
- 525
- 165
- 375
- 405
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths