Page 38 - Revised Maths Wisdom Class

Page 38 - Revised Maths Wisdom Class - 3

P. 38

36 MATHS

Example 2: A ﬂ orist bought 1240 white roses, 1510 yellow roses and 1125 jasmine
ﬂ owers. How many ﬂ owers did he buy in all?

Solution: Number of white roses = 1240 Th H T O

Number of yellow roses = 1510 1 2 4 0

Number of jasmine ﬂ owers = 1125 1 5 1 0
Total = 1240 + 1510 + 1125 = 3875 + 1 1 2 5

Hence, the ﬂ orist bought 3875 ﬂ owers in all. 3 8 7 5

1 Ruhi wants to join 1123 metres and 2315 metres of rope. What will be
the length of the rope aft er joining the pieces together?

2 A machine produced 3712 items on Monday and 4135 items on Tuesday.
How many items were produced by the machine in these two days?

3 A milk van was carrying 4325 packets of ﬂ avoured milk and 1620 packets of
ﬂ avoured yoghurt. How many packets was it carrying altogether?

4 In a poultry farm, 1205, 1453 and 2131 eggs are produced on three consecutive
days. How many eggs are produced in total?

5 Ms. Sahni purchased a portable TV set for ` 3145, a mixer grinder for ` 2500 and an
electric iron for ` 334. How much she had to pay in all?

Addition of 4-digit Numbers with Carrying

The process of carrying over in addition of 4-digit numbers is same as that of 3-digit
numbers. Let us learn through examples.

Let's Try

Example 1: Add 5268 and 2785.

Solution: Arrange the given numbers in columns and then follow these steps:

Step 1: Add the ones. Th H T O
8 ones + 5 ones = 13 ones = 10 ones + 3 ones 1

= 1 ten + 3 ones + 5 2 6 8

Write 3 under ones column and carry 1 ten to tens 2 7 8 5
column. 3

33 34 35 36 37 38 39 40 41 42 43