Year 7 Interactive Maths - Second Edition

Comparison of Lengths

Example 5

For each of the following pairs of lengths, which is greater?

a.  7.4 cm and 76 mm
b.  3.8 m and 370 cm
c.  840 m and 1 km
d.  5 km and 4985 m

Solution:

a.  To compare 7.4 cm and 76 mm, convert 7.4 cm to mm.

b.  To compare 3.8 m and 370 cm, convert 3.8 m to cm.

c.  To compare 840 m and 1 km, convert 1 km to m.

d.  To compare 5 km and 4985 m, convert 5 km to m.

Key Term

same units

Study Another Topic in Chapter 12: Length and Perimeter

[ The Metric System ] [ Comparison of Lengths ] [ Word Problems ] [ Working with Metric Units of Length ] [ Perimeter ] [ Perimeter of a Rectangle ] [ Perimeter of a Triangle ] [ Projects ] [ Symbols ] [ Index ]