2x + 3x + 5
5x + 5
−7+12=
5
What is a variable?
A letter
(−6)×8=
-48
How many states are in the U.S.?
50
345+278=
623
5y - 8
15−(−8)=
23
What is a constant?
A number that has no letter next to it
(−9)×(−7)=
63
How many stripes are on our flag?
13
1,250−876=
374
3x+7+4x−2
7x + 5
−25+(−14)=
-39
What is a coefficient?
A number with a letter next to it
56÷(−8)=
-7
What type of farm animal can sunburn?
Pig
20×20=
400
5a+3b−2a+8b
3a + 11b
32+(−45)=
-13
What is a term?
numbers or variables that are separated by a + or - sign.
(−72)÷(−9)=
8
How many weeks are in a year?
52
144/12+(−8)=
4
2x2 + 5x - 4x + 3x2 + y + 10y
5x2+ x + 11y
−9−17=
-26
What are like terms?
Terms that look alike
(−5)×12÷(−3)=
20
What is a polar bear’s skin color?
black
100/-5 + 40
20