Evaluating Algebraic Expressions
Evaluate k+10 when k=4
14
Write the expression:
The difference of a number (x) and 4
x-4
Name the property used.
3+5= 5+3
Commutative Property of Addition
What is the equation for distributive property?
a(b+c)=ab+ac
or
a(b-c)=ab-ac
What is the coefficient of this expression?
7+8b
8
Evaluate ab when a=8 and b=7
56
Write the expression:
the quotient of 3 and a number (f)
3 ÷ f
Name the property
8+(3+1)= (8+3)+1
Associative Property of Addition
Evaluate
4(x+9)
4x+36
Name all terms of this expression.
7h+5-2b
7h, 5, and 2b
Evaluate 30-24÷ y when y=6
26
Write the expression:
triple a number z
3z
Simplify the expression. Explain each property that was used.
17+(r+11)
17 + (11+r) ~ Commutative Property of Addition
(17+11) + r ` Associative Property for Addition
28+r ~ simplified
Evaluate
5(2+6-3d)
10+30-15d
40-15d
Write a phrase for the following expression.
5h-6
"Six less than the product of five and h"
"Five times h minus six"
a=4 b=8 c=2 d=7 e=3 f=9 g=5
Evaluate a+b(f+g)
116
Write the expression:
Two times a number (j) less than ten
10-2j
Simplify the expression. Explain each property used.
(0+a)+8
(a+0) +8 ~ Commutative Property of Addition
a+ (0+8) ~ Associative Property of Addition
a+8 ~Identity Property of Addition
Evaluate and simplify.
7z+ 2(z-5y)
7z+2z-10y
9z-10y
Evaluate the expression.
52+ 11(7-3)-2
67
a=2 b=12 c=5 d=3
Evaluate a2+b÷ d-c
3
Write the phrase as an expression. Then evaluate when x=5 and y=20
The sum of a number (x) and four, all divided by 3
3
Simplify the Expression. Explain each property used.
3.7(s*4.2)
3.7(4.2*s)~Commutative Property for Multiplication
(3.7*4.2)*s ~ Associative Property for Multiplication
15.54s ~ Simplified
Evaluate and simplify.
7(8+4k)+12
56+28k+84
140+28k
Your basketball team scored four fewer than twice as many points as the other team.
a. Write an expression for the number of points your team scored.
b. The other team scored 24 points. How many points did your team score?
a. 2p-4
b. 2(24)-4=44 Points