Page 47 - Viva

(h) In a theatre, 652 people watched the morning
show and 739 people watched the evening

show on a particular day. Which show had more
strength and by how much?
_______ show had more strength and by _______.

Mixed Problems of Addition and Subtraction

To solve a problem that contains addition as well as subtraction, we follow the given steps.
• First add the numbers that do not have a minus ( – ) sign in front of them and then
add the numbers that have a minus sign separately.

• Subtract the smaller sum from the bigger sum.

Example 12: Solve 524 – 73 – 149 + 208.
Solution: Step 1: Add the numbers that do not have a minus sign H T O
1
in front of them. 5 2 4
524 + 208 = 732 + 2 0 8

7 3 2

H T O
Step 2: Add the numbers that have a minus sign in 1 1
front of them. 1 4 9

149 + 73 = 222 + 7 3
2 2 2

Step 3: Subtract the sum obtained in step 2 from the H T O
sum obtained in step 1. 7 3 2

732 – 222 = 510 – 2 2 2
So, 524 – 73 – 149 + 208 = 510. 5 1 0

Example 13: Ravi had 675 marbles. He gave 290 marbles to his friend Arun and purchased
175 more marbles. How many marbles does Ravi have now?

Solution: Number of marbles Ravi had = 675 5 17
6 7 5
Number of marbles he gave to Arun = 290 – 2 9 0

Number of marbles left with Ravi = 675 – 290 = 385 3 8 5

Number of marbles purchased by Ravi = 175 1 1
3 8 5
Total number of marbles with Ravi now = 385 + 175 = 560 + 1 7 5

5 6 0
So, Ravi has 560 marbles now.

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