Percentage and measurments

What is the meaning of percent?

• every thousand

• every hundred

• +100

• +1000

Convert fraction into percentage.

1/2

• 1/2 x 50/50 = 50/100 = 50%

• 1/2 x 10/50 = 10/100 = 10%

Convert percentage into simple fraction.

275%

• 275% = 275/50 = 11/2

• 275% = 275/100 = 11/4

Add the following metric units

5 dam 8 m 4 dm , 8 dam 5 dm and 7 dam 6m 5 dm

• 21 hm 5 m 4 dm

• 21 dam 5 m 4 dm

• 25 dam 7 m 4 dm

Subtract the following units

8 hl 6 dl 7 cl 9 ml from 12 hl 8 dl 5 cl 3 ml

• 7hl 1dl 7cl 4ml

• 4dal 1dl 7cl 4ml

• 4hl 1dl 7cl 4ml

22km 292m x 7

• 156044m

• 256044km

• 156400m

• 256004m

25cm 2mm divided by 9

• 2.8mm

• 2.8hm

• 2.8cm