Simple
Subtraction
Subtraction
27 - 10
27-10 = 17
12-6
12-6=6
56-10
56-10= 46
20-10
20-10=10
10-10
10-10=0
18-9=
18-9=9
98-10
98-10=88
22-11=
22-11= 11
110-10
110-10=100
14-?=7
14-?=7
7
Ms. Oakey has some white board markers. Sah'Nei has 20. Together we have 34 markers. How many markers does Mrs. Oakey have?
? + 20= 34
34-20=14 or
20+?=34 , 20+ 14=34
34