Addition
5+5+5=
15
25+10=
35
10, 20, 30, __, 50, 60
40
26-10=
16
You have 2 loops with 3 dots inside each loop. How many dots do you have in all?
6
3+3+3+3=
17+27=
44
3,6,9,12,15 __, 21
18
45-15=
30
You have 1 loop with 27 dots inside. How many dots do you have in all?
27
7+7+7+7+7=
35
65+25=
90
100, 90, 80, __, 60, 50,
70
62-21
41
You have 5 loops with 3 dots inside each loop. How many dots do you have in all?
15
8+8+8=
24
124+15=
139
5, __, 15, 20, 25, __, __, 40
10, 30, 35
76-39=
37
You have 6 loops with 6 dots inside each loop. How many dots do you have in all?
9+9+9+9=
36
113+19
132
53, 63, __, 83, 93, __
73, 103
84-39=
45
You have 3 loops with 7 dots inside each loop. How many dots do you have in all?
21