Unit 3 Test STUDY GUIDE

Unit 3 Test STUDY GUIDE

6th Grade Math

Multiple Choice

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

answer

Multiple Choice

Simplify the expression: 2x + 1 + 7x

• 10x

• 10

• 9x + 1

• 9 + 1x

Multiple Select

Write a verbal expression for:

2a+6

• 6 more than the product of 2 and a number

• 6 less than the product of 2 and a number

• 6 more than the quotient of 2 and a number

• twice a number plus 6

Multiple Choice

Translate this phrase into an algebraic expression.

The difference of 3 times a number and 7

Use the variable n to represent the unknown number.

• 3 - 7n

• 3n - 7

• 3n + 7

• 3 / 7n

Multiple Choice

the quotient of a number and twelve

• x + 12

• x - 12

• 12/x

• x/12

Multiple Choice

Solve this expression. 2x - 3y

x=7 and y =4

• 12

• -7

• 2

• -2

Multiple Choice

If there is not a number in front of a variable, it is understood to be ....

• 1

• 0

• -1

• 5

Multiple Choice

Name the underlined part of the expression. 13r - 29

• constant

• term

• coefficient

• variable

Multiple Choice

Name the underlined part of the expression. 21 + g - 5h

• term

• variable

• constant

• coefficient

Multiple Choice

Name the underlined part of this expression. 3w + 5t -15

• coefficient

• constant

• variable

• term

Multiple Choice

Find the coefficient in the algebraic expression.

• x

• 4

• 5

• 9

Multiple Choice

How many terms are in the expression

3x + 2y + z

• 5

• 2

• 4

• 3

Multiple Choice

Pick the correct order for Order of Operations

• Parentheses, Multiplication, Division, Addition, Exponents, Subtraction

• Exponents, Multiplication, Division, Addition, Parentheses, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

Multiple Choice

40+(72÷9)÷8

• 49

• 25

• 41

• 15

Multiple Select

Select all of the expressions that are equivalent to 22

• (2 + 3)² - 3

• $10+2\cdot5\ -\ 2$
  

• $2+\left(7\ +3\right)\ \cdot2\$

• $4^2+4\ -\left(7\ -\ 2\right)+5$

Multiple Choice

If y=4,find the value of 3y+5

• 27

• 12

• 17

Multiple Choice

3(y + 5) - 2y

• 5y + 5

• 6y

• 5y + 15

• y + 15

Multiple Choice

 $8\ \div2^3+\ 4\left(3\ -\ 1\right)\$  

• 17

• 9

• 12

• 14

Multiple Choice

2(4k + 7)

• 4k-9

• 4K+9

• 8k-14

• 8k+14

Multiple Choice

Which of the following has the largest number of terms?

• 2xy + 3x +6

• 2x + 5

• 3x² - 4xy + 2x - 6y

• 6x

Multiple Choice

Which of the following are incorrect?

Option A: 7(2x + 3) = 14x + 21

Option B: 5(3 - 2a) = 15 - 20a

Option C: 3(5 - 4x) = 15 - 12x

• Option A is incorrect. The 21 should be replaced with 3

• Option B is incorrect. The 20a should be replaced with 10a

• Option C is incorrect. 15 should be replaced with 5

• Option A is incorrect. 14x should be replaced with 9x

Multiple Choice

subtract 20 from x, then divide by 2

• $\left(20\ -\ x\right)\ \div2$

• $\left(x\ -\ 20\right)\ \div2$

• $20x\ \div2$

• $\left(20\ -\ x\right)\ +\ 2$

Subtract 20 from x, then divide by 2, should be written as

 $\left(x\ -\ 20\right)\div2$  

• If you had 10 cookies and your sister takes five FROM you, it would be 10 - 5.

• If you subtract 20 FROM x, it should be x - 20

• (x - 20) divided by 2

Multiple Select

Which of the following expressions are equivalent to the following expression:

 $24x\ +\ 30$  

•  $2\left(12x\ +\ 15\right)$  

•  $6\left(4x\ +\ 5\right)$  

•  $2\left(12x\ +\ 6\right)$  

•  $6\left(4x\ +\ 6\right)$  

Multiple Choice

The perimeter of a rectangle is given by 2(l + w). What is the perimeter of a rectangle with a length of 10 and a width of 8?

• 20

• 16

• 36

• 18

Multiple Select

Which answers are equivalent to the following: two times the sum of a number and 3

• 2(x + 3)

• 2(3x)

• 2x + 3

• 2x + 6