Page 74 - Start Up Mathematics_3

A Challenge!
Quick Tip A man starts from his home by car. The first metro
station is near his house. The distance between
When one is given and any two metro stations is 3 km. He crosses 13
more is to be found, we metro stations and stops. How much distance
multiply. has he travelled?

Framing Word Problems

Example 10: Frame 3 word problems for 22 × 3 = ?

Solution: Word problems for the given sum can be as follows.

1. In a school, there are 3 sections of class III. If in each section there
are 22 students, how many students are there in all the sections?

2. A milkman has a container which contains 22 litres of milk. If the
milkman carries 3 such containers on his bicycle, how much milk
is he carrying?

3. In a library, a shelf has 22 books. How many books will be there in
3 such shelves?

EXERCISE 5.5

1. Estimate the following products.

(a) 28 × 4 (b) 34 × 6 (c) 73 × 9 (d) 42 × 13

(e) 57 × 21 (f) 83 × 35 (g) 62 × 27 (h) 95 × 15

2. One bird has two legs. How many legs do 4 birds have?
3. There are 3 clowns in a show. Each
clown has 12 balloons. How many
balloons do the clowns have?

4. In a garden there are 5 mango trees.
Each tree has 28 mangoes. How many

mangoes are there on the trees?
5. A restaurant purchases 16 boxes of ketchup sachets. Each box contains
96 sachets. How many ketchup sachets in total did the restaurant purchase?

6. Frame a simple word problem for each of the following.

(a) 11 × 5 = ? (b) 19 × 8 = ? (c) 37 × 4 = ?

(d) 99 × 5 = ? (e) 117 × 10 = ? (f) 133 × 12 = ?

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