Review Skills-BOY-7 & 8th Grade

Multiple Choice

Write 2 as a fraction.

• $$\frac{2}{1}$$

• $$\frac{2}{2}$$

• $$\frac{1}{2}$$

• $$\frac{2}{0}$$

Multiple Select

Select all of the expressions that are equivalent to

8

• $$\frac{1}{8}$$  

• 8 + 0

• $$\frac{8}{1}$$  

• $$8^1$$  

Multiple Choice

10.0 is equal to

• 100

• 10

• 0

• 1

Multiple Select

Select all of the expressions that are equivalent to

7

• $$\frac{7}{1}$$  

• $$7\times1$$  

• 7.000

• 0007

Multiple Choice

5 has an understood ___ to the left?

• negative sign

• positive sign

• multiplications sign

• division sign

Multiple Choice

What is the coefficient of x?

• 0

• 1

• -x

• x

Multiple Choice

A symbol for a number we don't know yet. This is usually a letter.

• coefficient

• sum

• variable

• term

Multiple Choice

What is the coefficient of �x ?

• 0

• 1

• -1

• x

• -x

Multiple Choice

If a number or variable has no sign in front of it (ex. 10 and 5x ), then the number is...

• positive

• negative

Multiple Choice

In the expression 6x, what operation is taking place between the 6 and the x?

• addition

• subtraction

• multiplication

• division

Multiple Choice

What is the coefficient for −y ?

• 0

• 1

• -1

• y

• -y

Multiple Choice

True or false?

$$-\left(16\right)=-1\times16=-16$$  

• True

• False

Multiple Select

Select all of the expressions that are equivalent to

15

• $$\frac{15}{1}$$  

• $$\frac{15}{10}$$  

• $$15^1$$  

• 15.000

Multiple Choice

$$5^0$$  is equal to

• 0

• 1

• 5

Multiple Choice

Any nonzero number has an exponent of one.

• 125^0 = 125

• 125^0 = 1

• 125^0 = 0

Multiple Choice

True or false?

$$\sqrt[]{10}=\sqrt[2]{10}$$

• TRUE

• FALSE

Multiple Choice

Every radical has an index of two unless there is already a different index.

• $$\sqrt{8\ }$$ = $$2\sqrt{8}$$

• $$\sqrt{8}$$ = $$3\sqrt{8}$$

• $$\sqrt{8}$$ = $$1\sqrt{8}$$

Multiple Choice

True or false?

$$\frac{1}{3}=3^{-1}$$

• TRUE

• FALSE

Multiple Choice

True or false?

$$3^{-1}=\frac{1}{3}$$  

• True

• False

Multiple Choice

One over a variable is the same as the variable to the negative first power.

• $$\frac{1}{x}=x^{-1}$$

• $$\frac{x}{1}=x^1$$

• $$\frac{1}{x}=x^3$$

Multiple Choice

Which of the following does NOT show multiplication?

• $$12x$$

• $$12\left(x\right)$$

• $$12\cdot x$$

• $$12>x$$

• $$12\times x$$

Multiple Choice

There is a multiplication sign between every coefficient and variable.

• 2y = 2/y

• 2y = 2 x y

• 2y = 2 + y

Multiple Choice

Another way to write a multiplication sign

• ?

• /

• $$\cdot$$

Multiple Choice

Another way to write a division problem

• X

• a(b)

• a/b

Multiple Choice

Convert the Mixed Number to an Improper Fraction. 

$$3\ \frac{4}{6}$$  

• $$\frac{12}{6}$$  

• $$\frac{28}{6}$$  

• $$\frac{22}{4}$$  

• $$\frac{22}{6}$$  

Multiple Choice

Convert the Mixed Number to an Improper Fraction. 

$$5\ \frac{3}{5}$$  

• $$\frac{13}{5}$$  

• $$\frac{28}{5}$$  

• $$\frac{25}{5}$$  

• $$\frac{28}{3}$$  

Multiple Choice

Convert the Mixed Number to an Improper Fraction. 

$$7\ \frac{2}{4}$$  

• $$\frac{28}{4}$$  

• $$\frac{30}{7}$$  

• $$\frac{30}{4}$$  

• $$\frac{23}{4}$$  

Multiple Choice

Convert the Improper Fraction to a Mixed Number. 

$$\frac{21}{5}$$  

• $$6\ \frac{1}{5}$$  

• $$4\ \frac{1}{4}$$  

• $$5\ \frac{1}{20}$$  

• $$4\ \frac{1}{5}$$  

Multiple Choice

Convert the Improper Fraction to a Mixed Number.

  $$\frac{38}{12}$$  

• $$3\ \frac{2}{12}$$  

• $$6\ \frac{1}{12}$$  

• $$3$$  

• $$3\ \frac{4}{12}$$  

Multiple Choice

Convert the Improper Fraction to a Mixed Number. 

$$\frac{48}{9}$$  

• $$6\ \frac{3}{9}$$  

• $$5\ \frac{4}{9}$$  

• $$3\ \frac{2}{9}$$  

• $$5\ \frac{3}{9}$$  

Multiple Choice

Inverse operation means

• the same operation

• the opposite operation

• whatever operation I want

Multiple Choice

2x is really....

• 2 multiplied by x

• 2 plus x

used to "undo" a math problem

​

Inverse Operations

Match

Match the following math operation to its' inverse operation

• Sum

  +

• Difference

  -

• Product

  x

• Quotient

  ÷

Subtract

-

Add

+

Divide

÷

Multiply

x

• Subtract

  -

• Add

  +

• Divide

  ÷

• Multiply

  x

Multiple Choice

What is the correct answer to this equation?

t-13=27

• t=40

• t=14

• t=-13

• t=27

Multiple Choice

3+x=19

What is the first step?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply by 3 on both sides

• Divide by 3 on both sides

Open Ended

$$\frac{2}{5}x=6$$  

Poll

That's a wrap!! How are you feeling about what you've seen today?