Page 105 - New Medley 4 Semester 2 PDF (Merged)

D. Find the difference.
1 3 2 1 7 5
1. 3- 2 2. 2 -1 3. 7 -5 4. 16 -12
2 7 3 3 12 12
2 1 2 1 3 4 4 2
5. 8 -6 6. 7 -6 7. 4 -2 8. 6 -4
3 2 6 9 4 12 5 3

E. Do the following.
3 9
1. Subtract 1 from 2 and add it to 5.
7 14

3 2 2
2. Add 3 and 2 , then subtract 4 .
9 6 3

4 2 5
3. Subtract the sum of and 1 from 4 .
9 3 6

5 3 7
4. Subtract the sum of 2 and from the sum of and 2 .
8 4 8

Word Problems

2 3
Example 17: Sumit ate of an apple. Prateek ate of the same
5 5

apple. Who ate more and by how much?
2 3 2 3
Solution: Since and are like fractions, and < .
5 5 5 5

This means Prateek ate more apple.

3 2 3- 2 1
Difference between the two = - = =
5 5 5 5
1
Thus, Prateek ate of the apple more than Sumit.
5

2 1
Example 18: Aman travels 4 km by a bus and then walks 1 km to
5 4

reach his office. How far is Aman’s office from his
home?
2
Solution: Distance travelled by the bus = 4 km
5

103