Addition
7+3+6
16
20-10-6
4
Jill, Chris, and Bobby are
building with blocks. Jill
has 6 blocks. Chris has
8 blocks. How many blocks
does Bobby have if they
have 19 blocks in all?
5
Juan says there are 4 more crickets than ants. What equation can he use to find out if he is right?
9-4=5
I know when a problem reads "how many are there in total" I know I have to (add/subtract)
ADD
13+2+5
20
What number is missing?
14 - = 3 + 4
7
Ms. Lee gives the students more ants. Now they have 11 in all. How many more ants does Ms. Lee give the students?
Linda has 7 picture books
and 6 coloring books.
How many more books
does Linda need if she
wants a total of 17 books?
4 Books
When I read "how many are left" I know I have to (add/subtract)
SUBTRACT!
15= __ + 9
6
Is this true or false?
5 + 6 = 10 - 1
False
Sherri, Tim, and Nala want to play golf.
Sherri has 4 golf balls. Tim has 6 golf balls.
How many golf balls does Nala have if they have 12 in all?
2 Golf Balls
Tanya has 3 red balloons and 6 green balloons.
How many more balloons does Tanya need if she wants a total of 12 balloons?
3
What's a sum?
The sum is the answer to an addition problem
14=6+__
8
Deon says that if there
were 3 fewer bees, then
the number of bees would
be equal to the number
of ants. He writes the
equation below. Is this
equation true or false?
False, 7 − 3 = 4. 4 is not equal to 5.
Roden went to a pet shop. He bought 15 gold fish, 7 blue fish and 3 packages of fish food. How many fish did he buy?
15 + 7 = 22 He bought 22 fish.
Carly has 12 bananas. She uses 4 of them to make banana bread. Evan has 10 bananas. How many should he use so he has the same number as Carly?
12-4=10-__
2 Bananas
What is the difference
The difference is the answer to a subtraction problem.
200+500=
700
600-300=
300
Lucy went 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?
12+16=28
She bought 28 groceries.
Jenny has 14 pennies.
She spends 9 pennies on gum.
Jeff has 7 pennies.
How many pennies does Jeff need to spend to have the same number of pennies as Jenny?
2
What's an Addend
The numbers we add in an addition problem. EX: 2 + 3 = 5, the 2 and the 3 are the addends.