Vocabulary
What do we call the letter or symbol that represents an unknown number in an equation?
Variable
In the expression 6 − (4 ÷ 2 × 5), what operation should be done first?
4 ÷ 2
In the expression 2x + 8y + 15, name one coefficient
2 or 8
Solve: b ÷ 4 = 12
48
Give one number that is part of the solution to x > 5.
6 or greater
In the equation 6 + x = 14, what is the number 6 called?
Constant
Evaluate: (60 − 6) × 1/3 + 27 ÷ 3
27
What is another way to write 4 × 4 × 4 × 4 × 4?
4⁵
Solve: k - 31 = 28
59
Which number satisfies m ≤ 7.4: 6.8 or 8.1?
6.8
What is the word for two mathematical expressions that are equal because they have the same value?
Equivalent
Evaluate: 8² ÷ 4 × (2 + 3) − 9
1
Which expression represents “the sum of 4 and the product of n and 7”?
7n + 4
Solve 1/8n = 40
320
Write an inequality for: “Adrian trained more than 7 hours.”
h > 7
What is the name for the value that makes an equation true?
Solution
If b = 1.5, evaluate: 3(b + 10) − 7
27.5
Simplify: 25 + 3(a − 5) + 7a
Daily Double: 10a + 10
Dakota gives 9 candies to each friend and had 36 total. Write an equation.
9f = 36
Write an inequality for: “Carly works less than 20 hours.”
h < 20
What property states that numbers can be added or multiplied in any order and still get the same result?
Communitive Property
What is the value of 5b² + 28 when b = 1.5?
39.25
Caroline earns 40 points plus 3 points for each question answered correctly. Write an expression.
40 + 3q
A rectangle has area 96 in² and length 12 in. Write an equation for w.
12w = 96
Would 18 satisfy the inequality h < 20?
Daily Double: yes