Vocabulary
What is the number being multiplied repeatedly in an exponent problem called?
Base
12 + x = 34
x = 22
34
81
12x + 3b -7x +12b
Make up a story problem for the problem 32 - x = 12
Teacher decision
What are things called that can be combined because they are similar/same
Like terms
15 - x = 10
x = 5
72
49
2x + 4 + 3x
5x + 4
What do you look for when simplifying algebraic expressions
12y + 3r -5y + 4r
Like terms
7y + 7r
What makes algebra different from normal numerical math
Make an example
when you include numbers
3 + x = 10
3 times a number is 63
x = 21
103
1000
12u + 5m - 7u + 12m
Explain what 211 means and what it equals
this means
2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
2048
What does LCM stand for
What is the LCM of 10 and 15
Least common multiple
30
12 divided by a number is 2
x = 6
27
128
12x - 3v + 10v - 7x
5x + 7v
How are exponents different from normal multiplication
A student says that 36 = 18 because 3 x 6 = 18
do you agree or disagree Explain
Exponents are repeated multiplication while multiplication is repeated addition
disagree because 36 = 3 x 3 x 3 x 3 x 3 x 3
this equals 729
What is GCF stand for
What is the GCF of 20 and 64
4
x2 = 49
x = 7
35
243
x + x + x + x -5x +12
-1x + 12
combine like terms
12xy + 3b2 - 7xy + 3b + 8a - 3b + 13xy -b2