Page 38 - Start Up Mathematics_4

L TTh Th H T O
Solution: Population of the town in 2011 = 2 3 5 1 7 0

Increase in population in 2012 = + 6 2 0 0 0

Population of the town in 2012 = 2 9 7 1 7 0

So, the population of the town in the year 2012 was 2,97,170.

Framing Word Problems

We already know how to frame word problems for given addition facts. Let’s see an example
to review it.

Example 12: Frame 2 word problems for 1,289 + 1,364 = ?

Solution: 1. There are 1,289 students in school A Quick Tip
and 1,364 students in school B. How
many students are there in the two Be logical when you frame
schools? word problems. For example,
2. Raju had ` 1,289 in his account. He 1,289 students in a school 
deposited ` 1,364 more. How much 1,289 chips in a packet 
money does he have in his account
now?

EXERCISE 3.2

1. Find the sum.

(a) TTh Th H T O (b) TTh Th H T O
2 1 4 0 6 5 2 0 0 7

3 7 5 8 2 4 6 8 1

+ 1 0 2 7 5 + 1 3 9 2 5

(c) TTh Th H T O (d) L TTh Th H T O

4 6 3 1 0 7 1 3 2 4 6

8 5 7 9 3 2 7 0 8

+ 6 2 2 + 1 5 0 0 1

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