~ UNIT 1: Whole Numbers ~

Do you know?


There are

2 tens in 20.
3 tens in 30.
5 tens in 50.
.
.
.
.
12 tens in 120 
13 tens in 130
14 tens in 140
.
.
.
120 tens in 1200.



Question: How many tens are there in 12 000?

1) 12
2) 120
3) 1200
4) 12 000

*Hint: Study the above examples and think carefully