9+9=?
18
7-5=?
2
Ms. Gomez goes to the grocery store. She bought 12 packs of cookies and 16 packs of noodles. How many packs of groceries did she buy in all?
Ms. Gomez has 28 packs of groceries in all.
10+2
12
1,__,3,4,5
2
20+20=?
40
35-12=?
13
Ms. Garcia has 22 white balls and 25 black balls. How many balls are in the box?
Ms. Garcia has 47 balls in the box.
20+2
22
10,12,13_,15,16
14
35+22=?
57
50-35=?
15
A bouquet has 36 red roses and 18 white roses. How many roses does the bouquet have in all?
54
100+20+2
120
20,21,22,23,_,25,26
24
145+30=?
173
165-23=?
142
There are 4 rows of seats in each of first class and business class and there are 32 rows of seats in economy class. How many rows of seats are there on the plane?
36
200+30+5
235
55,56,57,58,59,__
60
224+31=?
255
245-30=?
215
In the storage room, there are 16 boxes of corn flakes. There were 19 more boxes of cheerios than corn flakes. How many boxes of cereal are there?
36
400+50+2
452
100,101,__,103,104,
102