Subtract.
a. 9 − 0 = b. 5 − 0 = c. 10 − 0 =
5.
Subtracting the Number Before
If you subtract the number that comes before a number, the difference is always 1.
When we subtract 1 from 4, we get 3. It is the number before 4. So, when we subtract 1 from a number, we always get the number that comes before.
Subtract.
a. 5 − 5 = b. 8 − 1 = c. 3 − 1 =
6.
3 cakes on the table
Jas, Maria and Chang ate one each
0 cakes left on the table
3 − 3 = 0
6 − 5 = 1
4 − 3 = 1
2 − 1 = 1
When you subtract a number from itself, the difference is zero.
4 − 1 = 3
Subtracting 1
Subtracting a Number from Itself
Subtract.
a. 1 − 0 = b. 4 − 3 = c. 7 − 6 =
d. 2 − 1 = e. 5 − 4 = f. 8 − 7 =
7.