Vocabulary
What is a variable?
a letter or symbol representing an unknown quantity
What is the exponent in 915 ?
15
What is the Prime Factorization of 56?
56 = 2 × 2 × 2 × 7
Write the Algebraic Expression for: five less than y
y - 5
True or False?
Equivalent Expression have different values regardless of the values that are substituted for the same variable in the expressions
FALSE
Equivalent Expression have THE SAME value regardless of the values that are substituted for the same variable in the expressions
What is a coefficient?
a letter multiplied by a number
Evaluate .63 ?
.216
What is the GCF of 18 and 36?
18
How many terms does this expression have?
w/3 + (7 × y) × 6 - 3z + 2
4
Use Properties of Operations to write an equivalent expression for 8t + 4
4(2t + 1)
A(n) _____ tells us how many times the base is used as a factor
Exponent
Solve 8.34 × 103
8 340
What is the GCF of 47 and 51?
1
If t = 8, w = .5, and x = 3; Solve
5x - 2w + t
22
Which of these expressions are equivalent?
A. 5(2x + 3)
B. 5x + 15 + 5x
C. 10x + 8
D. 7x +8
A and B
5(2x + 3)
5x + 15 + 5x
To replace a variable with a number is to _______.
Substitute
Which is greater, 34 or 43 ?
34 = 81
43 = 64
What is the LCM of 8 and 10?
40
Where should you add parenthesis to the equation, to make it equal to 8?
32 ÷ 23 - 4
32 ÷ (23 - 4)
Simplify this Expression
x + x + x + x + x + 1
5x + 1
What is the difference between a prime number and a composite number?
A composite number has multiple factors, prime numbers only have the factors of 1 and itself
3 000 472 2910 = ?
1
Using the GCF and distributive property, find the sum of 30 and 66. Show your WORK
6(5 + 11) = 6(16) = 96
Solve 6 + 4 × 5 ÷ 2 - 8 × 1.5
6 + 20 ÷ 2 - 8 × 1.5
6 + 10 - 8 × 1.5
6 + 10 - 12
16 - 12 = 4
Simplify this expression
3.2x + 6.5 - 2.4x - 4.4 + x2
x2 + .8x + 2.1