3. How Many Bulbs?
3
1. A factory makes 270 bulbs on the first day.
On the second day it makes 123 bulbs.
How many bulbs does the factory make altogether?
First day 270 bulbs
Second day- 123 bulbs
4. 4
270 + 123 Is the sum more
than 350 or less than 350?
I think..
270 and 100 is 370?
The sum is more than 350.
How many
altogether ?
5. T O
7 0
2 3
H
2
+1
3 9 3
Solution :
Bulbs made on first day
Bulbs made on second day
Sum =>
6. 6
2. A shopkeeper Rafi had
153 candles. Paras gave
him 237 more candles.
How many candles does
Rafi have now?
7. 7
237 + 153 = ?
Is the sum more than
400 or less than 400?
8. ● Rafi had candles first
● Paras gave him
● Sum
T O
3 7
5 3
H
2
+1
3 9 0
9. 3. The clown blew up forty-seven
balloons. The other two clowns
blew up thirteen more balloons
each. How many balloons do the
clowns have now?
Answer :
47 + 13 + 13 = 73
The clowns have 73 balloons
now.
9
10. 10
4 . Bobby ate 126 pieces of candy. Then he
ate the same amount again. How many pieces
of candy did Bobby eat?
Answer :
126 + 126 = 252
Bobby ate 252 pieces of candy