measurements

measurements

converting measurements

length 

10mm= 1cm

100cm=1m

1000m= 1km

mm to cm (divide 10)

e.g.  40mm = 4cm 

cm to m ( divide 100)

e.g.  1200cm = 12m

m to km ( divide 1000)

e.g.   17000m = 17km 

mm= Millimetre

cm= Centimetre 

m= Metre

km= Kilometre 

Which of the following nets will not make a rectangular prism?

1. 
2. 
3. 
4. 

1. convert 3.2 m to cm 

To convert meters to centimeters, you multiply by 100.

3.2 meters = 3.2 × 100 = 320 centimeters.

If a rectangular room is 4.5 meters long and 3.2 meters wide, what is its area in square meters?

The area of a rectangle is calculated by multiplying its length and width.

Area = Length × Width = 4.5 meters × 3.2 meters = 14.4 square meters.

 1. A bookshelf is 1.8 meters tall. How many centimeters is it in height?

2. If a jug contains 2.5 liters of water, how many milliliters of water does it hold?

4. Sarah ran a race in 12 minutes and 30 seconds. Express her time in seconds.

answers 

1. To convert meters to centimeters, you multiply by 100.

1.8 meters = 1.8 × 100 = 180 centimeters.

2. To convert liters to milliliters, you multiply by 1000.

2.5 liters = 2.5 × 1000 = 2500 milliliters.

3. To convert minutes to seconds, you multiply by 60, and then add the seconds.

12 minutes × 60 seconds/minute + 30 seconds = 720 seconds + 30 seconds = 750 seconds.