Addition
25+32=____
57
57-21=____
36
64+____=174
110
Ryann has 62 stickers.
Gracie has 17 more stickers than Ryann.
How many stickers does Gracie have?
62+17=79
How do I know when to add in a word problem?
When I am missing the whole.
78+69=_____
163-78=
85
89+33=_____
122
TJ gave 56 marbles to Teigan.
TJ has 32 marbles left.
How many stickers did TJ have to start?
56+32=88
How do I know when to subtract in a word problem?
When I am missing a part.
29+17+13+11=____
70
135-18=
117
154-63=______
91
There are some books on the shelf. Leilani puts 16 more books on the shelf. Now there are 85 books on the shelf. How many books were on the shelf to start?
85-16=69
Where on my place value chart do I always start when I am adding or subtracting.
The one's place.
123+49=____
172
143-66=____
77
12+13+11+19=_____
55
There are some toy cars in a box. Ms.Sliney takes out 42 cars. Now there are 48 cars in the box. How many cars were in the box to start?
42+48=90
What if I am subtracting and there aren't enough 1's to take away in the subtraction equation?
I need to look in the 10's place and borrow.
128+41+9=_____
178
174-85
89
21+_____=100
79
There are 28 pepper plants in the garden. There are 46 corn plants. How many more plants are corn than pepper?
46-28=18
Which do you like better-adding or subtracting?