Vocabulary
When evaluating an expression it is important you follow PEMDAS
Order of Operation
25 is what percent of 100
25%
Evaluate the expression (5 +2) 8
56
Simplify the expression 4 (x +6)-7
4X +17
4d + 5d
9d
Natural numbers, their opposites, and zero.
Integers
3/4 is what percent of 100?
75%
Evaluate the expression (3x2)*5
30
Solve for the equation for X.
5 (x-7)=20
X=11
6r − r + 4
5r+4
a letter that represents the unknown number in and equation.
Variable
25% is what fraction of 100?
1/4
Evaluate the expression (24/4)*2
12
Solve the equation for n.
9(n+3)-25=65
N=7
8r + 6 + 9r − 3
17r+3
Two expressions that are equal.
2f + 7=31
Equation
50% of 100 is what fraction
1/2
Evaluate the expression (17-5)-2
10
Evaluate the expression 10+5x for x=2
20
11k + 2j + 5h − 10k − j
k+j+5h
A mathematical phrase that contains numbers, variables or both
2f + 7
Expression
30% of 100 is?
30
Is 5(7+2)=5(7) +5(2)
Yes, they both equal 45
Solve the expression, 2(x+7) for x=3
20
16a + 8 + 12c − 7a + 3b − c
9a+8+11c+3b