Applied 20S January 19, 2009

Post on 05-Jul-2015

834 views 0 download

description

Quiz and unit conversions involving area.

Transcript of Applied 20S January 19, 2009

More on Measurement

math by flickr user Akash k

Which metric unit should you use to measure?

(d) the length of the classroom

(c) the thickness of a loonie

(b) the distance from Winnipeg to Brandon

(a) the width of a sheet of paper

Convert the following measurements as indicated.

(a) 1. 36 m = ___________ cm (b) 270 mm = ___________ m

(c) 0.023 km = ___________ m (d) 0.6 m = ___________ mm

(e) 314 mm = ___________ cm (f) 27.18 cm = ___________ mm

(g) 2002 m = ___________ km (h) 1.6 m = ___________ km

Find the perimeter of each figure below.

Find the area of each figure below.

1 inch = 2.54 cm 1 mm= 0.04"1 foot = 30.48 cm 1 cm = 0.39"1 yard = 0.914 m 1 m = 39.37" = 3.28'1 mile = 1.61 km 1 m = 1.09 yd1 km = 0.621 mi

Conversion TablesSimilar comparisons can be made. The following conversion table includes those conversions that are the most widely used.

EXAMPLE: Convert 165cm to inches.

(b) (5 yds 1 ft) x (2 yds 2 ft)

A car is travelling at a speed of 110 km/h when an accident occurs further along the road. It takes the driver 0.8 seconds to react to the accident. How many yards will the car travel in this time interval? (1 yd = 0.914 m)

Area & Volume ConversionsConvert the following (use unit conversion ratios if necessary).

(i) 7 cm2

(ii) 1.2 m2

(i) 432 in2

(ii) 3.6 yd2

Change to ft 2Change to mm2

HOMEWORK

Area & Volume ConversionsConvert the following (use unit conversion ratios if necessary).

(ii) 62 500 mm3

(i) 3m3

Change to cm 3

3(ii) 1.2 yd

Change to in 3

(i) 2 ft3

HOMEWORK