Addition
50+10=
60
17
-8
_____
9
6x4=
24
21/3=
7
What is the pattern?
15 25 35
By 10's
27+3=
30
70-25=
45
5x8=
40
45/5=
5
What is the pattern?
21 28 35
By 7
150+30=
180
236-32=
204
9x7=
63
84/7=
What is the missing number?
32 40 ___ 56
48
500+301
801
600-250=
350
9x11
99
121/11=
11
What is the missing number?
9 18 27 36 ___ 63
54
What is two hundred and five minus one hundred and five?
100
1050-350=
700
12x7
84
108/12=
9
What is the pattern?
36, 48 , 60
By 12