ADDING TENS
20+40
60
2+2+2
6
24+5
29
43+9
52
In the sea lion show, there were 4 sea lions performing in one pool and 9 sea lions swimming in the other pool. How many sea lions were there in all?
There were 13 sea lions.
30+60
90
5+6+2
13
53+3
56
56+7
63
In the fridge, there are 4 stacks of chocolate puddings and 7 stacks of brownies. How many stacks of dessert are there?
There are 11 stacks of dessert
40+40
7+3+10
20
45+10
55
62+8
70
Jack receives a box of Lego mini-figures. It comes with 12 mini-figures. He already had 9 of them. How many Lego mini-figures does he have now?
He has 21 Lego mini-figures.
70+30
100
12+4+3
19
81+18
99
53+29
82
Ashley collects stamps. She has 36 stamps in her stamp collection book. Uncle Joe gives her another 8 stamps and 5 special collectible coins as a present. How many stamps in total does she has?
She has 44 stamps.
80+30
110
20+6+3
29
32+67
99
28+28
56
Ms. Peck bought 11 bags of potato chips, 3 bags of popcorn, 4 bags of chocolate bars, 9 bags of candies and 12 bags of corn chips. How many bags of snacks did she buy?
39 bags of snacks