___ = 142+32+8
156-97 =
59
Add
26 + 42 =
68
___ = 148- 39 =
109
If an object is taken away, then we will need to.....
subtract
Ray has 78 toy cars. He gave some of them to his twin brother. Ray has 39 cars left. How many cars did Ray give away?
39 toy cars
38 + 18 + 12 + 16 =
84
142 - 128 =
14
'How many more' tells us to....
Subtract
Erin is counting cars that drive by. 36 minivans and 28 convertibles have driven by. How many cars has she counted in total?
64 cars
____ = 118+ 18
136
174 - 85 =
89
'More Than' tells us to...
Add
At the lake we saw 35 fish and some ducks. Altogether we saw 61 creatures. How many were ducks?
26 ducks
Lindsey has 45 books on her bookshelf. Her brother Luke has some books on the bookshelf. Altogether there are 90 books. How many books does Luke have?
45 books
39 + ____ = 162
Hint: Part + Part = Whole
123
175 - 38
137
'How many' is a key word that tells us to add - True or False?
FALSE
How many is apart of the question - it does not help us figure out whether we need to add or subtract
Teresa's mom bought 80 cookies. Her sister ate some of them. There are 24 cookies left. How many cookies did Teresa's sister eat?
56 cookies