Name the property that justifies the statement:
7 * (4 * 2) = (7 * 4) * 2
Associative Property of Multiplication
If c=4 and d=6, evaluate
c+d
10
Write the phrase as an expression:
6 more than 4
6+4
What is the difference between an expression and an equation?
An expression does not have an equal sign
Use distribution to simplify:
2(x+8)
2x+16
Name the property that justifies the statement:
8 + (3 + x) = (8 + 3) + x
Associative Property of Addition
If c=4 evaluate:
24/c
6
Write the phrase as an expression:
The product of a number and 5
5n
What are the terms in the expression?
3x+2
3x and 2
Use distribution to simplify:
10(c+5)
10c+50
Name the property that justifies the statement:
6 * y = y * 6
Commutative Property of Multiplication
If m=7, evaluate:
4m-7
21
Write the phrase as an expression:
The total of a number and seven
n+7
What is the constant in the expression?
2
Use distribution to simplify:
5(3-2m)
15-10m
Name the property that justifies the statement:
17 + 3n = 3n +17
Commutative Property of Addition
If m=5 and n=8 evaluate:
(6m)/(n-3)
6
Write the phrase as an expression:
Eighteen less than a number
n-18
What are the coefficients in the expression?
7x+8y-3z
7, 8 and 3
Use distribution to simplify:
2(7m + 2n +1)
14m+4n+2
Name the property that justifies the statement:
3 p + 6 = 3( p + 2)
Distributive property
If m = 9 and n = 12 evaluate:
mn − 4 • 2
100
Write the phrase as an expression:
Eight more than twice a number
2n+8
Identify the terms, coefficients, and constants in the expression
2x-17y+3z-400
Terms: 2x, -17y, 3z, -400
Coefficients: 2, -17, 3
Constants: -400
Use distribution to simplify:
1/5(20m+5)
4m+1