Vocabulary
A letter that represents a number
What is a variable
4 * 6 + 8 ÷ 2
9 + 7 What operation is being performed?
What is addition or plus
Combine like terms:
3x2yz + 7x2yz
What is 10x2yz
Solve: 34
What is 81
A number that stands alone in an expression
What is a constant
9 - 23 + 14 ÷ 2
What is 8
5 * 6 What operation is being performed?
What is multiplication or times
Combine like terms:
12a3b2c - 14a3b2c
What is -2a3b2c
Solve: 53
What is 125
A number that is multiplied by a variable
What is a coefficient
(6 + 2)2 - 4 * 11
18 / 6 What operation is being performed?
What is division
Combine like terms:
3m2n2 + 9 - m2n2 - 5
What is 2m2n2 + 4
Solve: 72 + 42
What is 65
Parts of an expression separated by operation signs
3(15 - 5)2 - 92 + 2(7 - 3)2
What is 251
The acronym for the order of operations
Combine like terms:
2a4b2c + 3a3b2c2 + 8a4b2c - a3b2c2
What is 10a4b2c + 2a3b2c2
Solve: 43 + 82 + 26
What is 192
Terms that are the same and can be added or subtracted
What are like terms
2(9 - 6)3 - 42 + 12
What is 50
The superscript number in an equation is called...
What is an exponent
Combine like terms:
2(4x2y2z) + 3(5x2y2z) - 13x2y2z
What is 10x2y2z
Solve. 25 + 93 - 33 - 63
What is 518