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METRIC UNITS

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In this topic, students develop the ability to perform multiplication and division involving units of length, mass, and time.

Operations (× and ÷) on units of length (mm, cm, m and km)

Multiply units of length

Activity 1

Study the following examples

Exercise 1

Perform the following operation

Divide units of length

Activity 2

Exercise 2

Divide the following

Solve word problems involving units of length

Example 1

Study the following examples

Exercise 3

Find the solution of the following problems

A road is 6 km long. How long are 5 such roads altogether?
A rope is 8 m long. How long will 4 such ropes be when joined together?
A ribbon is 24 cm long. It is cut into 6 equal pieces. What is the length of each piece?
A runner covers 3 kmin one race. How far will the runner cover in 7 races?
A wire of 40 m is divided equally into 5 parts. What is the length of each part?
A piece of cloth is 9 m long. What will be the total length of 3 such pieces?
A stick of 36 cm is cut into pieces of 4 cm each. How many pieces are obtained?
A cyclist travels 12 km in one trip. How far does the cyclist travel in 6 trips?
A cable of 48 m is shared equally among 8 people. How much cable does each person get?
A tape is 7 cm long. What is the total length of 9 such tapes?