Numbers in Expanded Form
7 tens and 8 ones make 78.
In expanded form, we write:
78 = 7 tens + 8 ones
Or
= 70 + 8
Some more examples:
1. 23 = 2 tens + 3 ones
= 20 + 3
2. 37 = 3 tens + 7 ones
= 30 + 7
3. 40 = 4 tens + 0 ones
= 40 + 0
4. 52 = 5 tens + 2 ones
= 50 + 2
5. 64 = 6 tens + 4 ones
= 60 + 4
6. 75 = 7 tens + 5 ones
= 70 + 5
7. 89 = 8 tens + 9 ones
= 80 + 9
8. 90 = 9 tens + 0 ones
= 90 + 0