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Exercise 7B

1. find the sum.

a. 64 m 36 cm, 16 m 5 cm and 8 m 31 cm

b. 5 km 248 m, 11 km 55 m and 3 km 6 m
2. Subtract:

a. 48 cm 3 mm from 78 cm 2 mm b. 36 km 50 m from 104 km 600 m
3. Multiply the following:

a. 3 m 60 cm by 5 b. 23 km 105 m by 12 c. 16 cm 8 mm by 15
4. Divide the following:

a. 48 cm 8 mm by 4 b. 98 m 98 cm by 7 c. 10 km 2 m by 3
5. Solve the following word problems.

a. Neha has two pieces of ribbon. The first piece is 3 m 12 cm long and the second
piece measures 85 cm. She joins both ribbons end-to-end. Find the total length of

the resulting ribbon.

b. Archana has 28 m of cloth. She used 5 m 20 cm for making a curtain. How much
cloth is left with her?

c. If one piece of ribbon measures 4 m 20 cm, what will be the total length of 50 such
pieces of ribbon?

6. Some of the world's tallest statues are given below. Read the heights of these
statues and answer the questions based on them. Century
21 st
Skills #Inter-disciplinary

173
Measurement