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
- 1.44 × 15 =
- 2.22 × 15 =
- 3.53 × 15 =
- 4.12 × 15 =
- 5.28 × 15 =
- 6.5 × 15 =
- 7.4 × 15 =
- 8.11 × 15 =
- 9.30 × 15 =
- 10.15 × 15 =
- 11.36 × 15 =
- 12.9 × 15 =
- 13.37 × 15 =
- 14.54 × 15 =
- 15.46 × 15 =
- 16.43 × 15 =
- 17.63 × 15 =
- 18.40 × 15 =
- 19.54 × 15 =
- 20.43 × 15 =
- 21.14 × 15 =
- 22.52 × 15 =
- 23.61 × 15 =
- 24.43 × 15 =
- 25.7 × 15 =
- 26.33 × 15 =
- 27.41 × 15 =
- 28.21 × 15 =
- 29.45 × 15 =
- 30.5 × 15 =
- 31.62 × 15 =
- 32.30 × 15 =
- 33.43 × 15 =
- 34.11 × 15 =
- 35.56 × 15 =
- 36.28 × 15 =
- 37.6 × 15 =
- 38.39 × 15 =
- 39.36 × 15 =
- 40.38 × 15 =
Answer key
- 660
- 330
- 795
- 180
- 420
- 75
- 60
- 165
- 450
- 225
- 540
- 135
- 555
- 810
- 690
- 645
- 945
- 600
- 810
- 645
- 210
- 780
- 915
- 645
- 105
- 495
- 615
- 315
- 675
- 75
- 930
- 450
- 645
- 165
- 840
- 420
- 90
- 585
- 540
- 570
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths