Number Conversions
Which decimal is equivalent to 35%?
A. 0.035 B. 0.35 C. 3.5 D. 35
What is B. 0.35?
In 47.386, the digit 8 is in the ______ place.
What is the hundredths place?
In 7x + 4, the variable is ______.
What is x?
Simplify:
6x + 3x + 7
What is 9x + 7?
Match the expression "three more twice a number x."
A. 2(x + 3)
B. 2x + 3
C. 3 + x2
What is B. 2x + 3?
Write 3/5 as a decimal.
3/5 = ______
What is 0.6?
Round 6.784 to the nearest tenth.
A. 6.7 B. 6.8 C. 6.78 D. 6.79
What is B. 6.8?
What is the coefficient of x² in 5x² - 3x + 8?
A. 2 B. 5 C. -3 D. 8
What is B. 5?
Simplify:
5a + 7 - 2a + 4 → ______
What is 3a + 11?
How would you say the following expression:
7(x + 2)
What is...?
Various answers, example: "The product of seven and the sum of x and 2."
Convert 0.125 to a fraction in simplest form.
What is 1/8?
Round 12.4967 to the nearest hundredth.
What is 12.50?
List all of the variable terms in:
4m² - 6m + 9
What is 4m2 and -6m?
A student says 4x² + 3x + 2x → 5x³.
Explain the mistake and give the correct simplified expression.
What is...?
The terms are unlike because their exponents differ, so they cannot be combined. Correct: 4x² + 5x.
What two operations does order matter when writing out an expression:
A. Division
B. Addition
C. Multiplication
D. Subtraction
What is A. Division and D. Subtraction?
Match each form to its equivalent:
A. 0.75 B. 1/4 C. 40%
1. 0.25 2. 3/4 3. 0.40
What is A → 2, B → 1, C → 3?
What is the value of the digit 6 in 83.064 in words?
What is 0.06 (six hundredths)?
Match the vocabulary word to the example in 3y⁴ + 8.
A. exponent →
B. coefficient →
C. constant →
What is...?
A. exponent → 4
B. coefficient → 3
C. constant → 8
Simplify:
2(x² + 7) − 3(x² + 2x) − 7
What is −x² − 6x + 7?
Write an algebraic expression for:
“Seven less than twice the sum of a number x and four.”
What is 2(x + 4) − 7?
A store discount is 0.35 of the original price. Write the discount as a fraction in simplest form and the percent you will pay for the item.
What is 7/20 and 65%?
Evaluate each number to the requested rounded value:
A. 7.4999 to tenths →
B. 7.4999 to hundredths →
C. 7.4999 to thousandths →
A. 7.4999 to tenths → 7.5
B. 7.4999 to hundredths → 7.50
C. 7.4999 to thousandths → 7.500
For -2a³ + 5a - 11, identify:
• coefficient of a³
• exponent on a³
• constant
• number of variable terms
What is...?
• coefficient of a³ → -2
• exponent on a³ → 3
• constant → -11
• number of variable terms →2
Which pair contains like terms?
A. 3x and 3x²
B. 4xy and -7yx
C. 5ab and 5b
D. 2 and 2m
What is B. 4xy and -7yx?
Choose the expression that best fits 3(2x − 5) + 8 and defend your answer:
A. “Eight more than three times the difference of twice a number x and five.”
B. "Three times the difference of twice a number and five increased by 8."
What is A. "Eight more than three times the difference of twice and number x and five." because this translation accounts for the parenthesis whereas option B would translate to 3(2x -5 + 8)?