Add/Subtracting within 20
Add. 11+ 2=
13
10+20=
30
80-40=
40
47+2=
49
Jean has 10 fish. She gets 12 more. How many fish does she have now?
10+12=22
Subtract. 14-9=
5
60+10=
70
70-50=
20
22+5=
27
John bakes 18 blueberry muffins and 12 banana muffins for the bake sale. How many muffins does he bake?
18+12=30
Subtract. 10-10=
0
30+30=
60
20-20=
0
85+4=
89
Yuri collects 21 cans for the school food drive. Leo collects 36 cans. How many do they collect all together?
21+36= 57
Add. 7+4=
11
40+60=
100
90-50=
40
13+70=
83
Tyra sees 43 geese in the field. Then she sees 12 more in the sky. How man geese does she see altogether?
43+12= 65
Add. 15+ 2=
17
10+40=
50
80-10=
70
91+5=
96
Jade paints 35 circles and 23 triangles in art class. How many shapes does Jade paint?
35+23=55