Page 75 - Revised Maths Wisdom Class - 1

Numbers up to 100 73

Write the tens and ones in the form of numbers. One is done for you.

3 tens and 7 ones 37 8 tens and 2 ones

5 tens and 3 ones 2 tens and 7 ones

6 tens and 9 ones 7 tens and 8 ones

4 tens and 0 ones 9 tens and 4 ones

Expanded form

When we write the number as sum of its tens and ones, it is called expanded form.
For example,

62 = 6 tens and 2 ones = 60 + 2 47 = 4 tens and 7 ones = 40 + 7

Write the following numbers in the expanded form. One is done for you.

80
3
8
3
83 = ____ tens and ____ ones = ____ + ____
55 = ____ tens and ____ ones = ____ + ____
65 = ____ tens and ____ ones = ____ + ____

37 = ____ tens and ____ ones = ____ + ____

41 = ____ tens and ____ ones = ____ + ____

Comparing numbers

The 2-digit number with a bigger digit at the tens place is bigger than the other

2-digit number.

If the digit at the tens place is same, then the number with a bigger digit at the ones

place is bigger.