Use Partial Sums to Add
13 + 70 = _____
83
33 + 41 = ?
74
29 + 62 = ?
91
28 + 31 + 31 = _____
90
You play video games for 33 minutes before dinner and 15 minutes after dinner. Your sister plays for 42 minutes. How many minutes do you and your sister play in all?
48 + 42 = 90 minutes
24 + 37 = ?
61
62 + 28 = ?
90
37 + 26 = ?
61
33 + 17 + 21 = ?
71
You see 34 pigs on a farm. You see 12 fewer pigs than horses. How many horses do you see?
46 horses
61 + 19 = ?
80
75 + 16 = ?
91
45 + 19 = ?
64
35 + 18 + 11 = ?
64
You have some books from the library. You check out 6 more books. Now you have 15. How many books did you have to start?
9 books
56 + 11 = ?
67
53 + 39 = ?
92
There are 54 eggs in a chicken coop. You collect 22 white eggs and 28 brown eggs. Did you find all of the eggs?
No, you collected 50 eggs.
71 + 19 + 10 = ?
100
You have 7 granola bars. Your friend gives you more. Now you have 15. How many granola bars did your friend give you?
8 granola bars
You have 52 building blocks. Your friend has 45. How many blocks do you and your friend have in all?
97
You do 47 jumping jacks and 28 sit-ups. How many exercises do you do in all?
75 exercises
You earn 15 points on one game and 27 points on another game. Your friend earns 40 points in all. Who earns more points?
You, 42 point
3 5 +1 4 + 2 9=
78
You have 46 tokens and you win 19 more. Your friend has 35 tokens and wins 35 more. Who has more tokens?