Subtraction
* Keywords
1 minus
2
less
3
subtrahend
4 minuend
5 difference
6 take away
7 left
Subtraction On Number Line
*
a 7 - 3 = 4
b 9 - 4 = 5
c 17 - 5 12
=
* Properties of Subtraction
16 - 0 = 16
9 - 1 = 8
8 - 0 = 8
6 - 6 = 0
14 - 0 = 14
5 - 5 = 0
8 - 1 = 7
* Subtraction Facts
Subtraction Facts of 5
5 - 0 = 5
5 - 1 = 4
5 - 2 = 3
5 - 3 = 2
5 - 4 = 1
5 - 5 = 0
5 - 5 = 0
Subtraction Facts of 2
2 - 0 = 2
2 - 1 = 1
2 - 2 = 0
23.7.25
* Subtracting a 1-digit Number from a
2– digit Number
* Without borrowing
T O T O T O
1 9 1 5 1 2
- 4 - 3 - 1
1 5 1 2 1 1
* With borrowing
T O T O
1 2 1 4
- 7 - 5
0 5 0 9