1.1EvaluatingExpressionsandOrderof
NOTES
Operations
Write your questions here! Variable:
AlgebraicExpression():
Evaluate:
Evaluateeachexpressionwhenn=3
Power:
Writethepowerinwordsandasaproduct:
ORDERofOPERATIONS:
G‐
E‐
M‐
D‐
A‐
S‐
Simplify each expression: Evaluate each expression: You try! SUMMARY:
Now, summarize your notes here! NOTES
PRACTICE
1.1EvaluatingExpressionsandOrderofOperations
Evaluate the expression: 1) .4r when r=6 2) .8 + h when h = 3.7 3) 1
2
k when k = 2
3
Write the power in words and as a product. 4) 125 8
1
5)   2
Describe AND correct the error in evaluating the power. 6) (0.4) 2  2(0.4)  0.8 Evaluate the power. 7) 15 8) 26 1
6
Evaluate the expression. 10) x + y when x = 11 and y = 6.4 Evaluate the expression: 11) 13 – 8 + 3 3
9)   12) 5 ∙ 2
7 13) 2 ∙ 4
2/8 16) 8[20 ‐ (9 ‐ 5)2] 14) 24+4(3+1) 1
15) (21  22 ) 2
Describe and correct the error in evaluating the expression. 20 17) 1
 62 =20 - 32
2
=20 - 9 =11
Evaluate the expression: 18) 6t2 – 13 when t = 2 19) 3(m2‐2) when m=1.5 20) b3  21
when b = 3 5b  9
Skillz Review Simplify: Plot the points: 1) (4, ‐2) 2) (0, 3) 3) 5)
Simplify: 4) 2 1
6) 4
4 5
1 1.1EvaluatingExpressionsandOrderofOperations
APPLICATION
Directions:EVALUATE:
1) n3 when n =
2
3
2)
h2  1
when h = 5 h3
3)Foryourbirthdayyougetani‐Tunesgiftcard.Thetotalcostforyoutobuy3albumsat$9.99eachandthen5
individualsongseachworth$1.29isgivenbytheexpression3(9.99)+5(1.29).
a)Findthetotalcostofyouri‐Tunespurchases.
b)Supposeyourgiftcardisworth$50.Howmuchmoney(ifany)doyouhaveleft?
DIRECTIONS:Evaluatethegivenformulaforeachgeometricshape.
Perimeter = 2(l + w )
w
4)L=15,w=7
l
Area of Trapezoid =
6) b1  2, b2  4, h  4 b1
(b1  b2 )h
2
h
b2
5)L=8.25,w=4.5
7)
b1  20, b2  24, h  14