Subtraction -
70-1=
69
100-0=
100
16+5=
21
15+10=
25


11 cent
20-3=
17
15-4=
11
9
2+5+10=
17

1:30
19-6=
13
20-7=
13
22=10+____
12
20=___+5
15
what shape is this?
rhombus
42-9=
33
22-10=
12
24+___=30
6
100+9=
109




22 cents
87-11=
76
90-30=
60
30+5+20=
55
10+50+30=
90

5:00