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

Fill in the Blank

List the factors for 32.

,

,

,

,

,

Fill in the Blank

What is the greatest common factor (GCF) of the numbers 4 and 16.

Fill in the Blank

Simplify

$$\frac{2}{12}$$  

/

Fill in the Blank

Simplify

$$\frac{5}{45}$$  

/

Fill in the Blank

Reduce

$$\frac{6}{24}$$  

/

Fill in the Blank

reduce $$\frac{3}{30}$$  

/

Fill in the Blank

Simplify 24/36

/

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

Fill in the Blank

What is the inverse of -8?

Fill in the Blank

What is the inverse of +8?

-

Fill in the Blank

What is the inverse operation here?

2x=6

Fill in the Blank

Difference means

Fill in the Blank

Product means

Fill in the Blank

Quotient means

Fill in the Blank

Sum means

Multiple Choice

2x is really....

• 2 multiplied by x

• 2 plus x

Fill in the Blank

The inverse operation of MULTIPLICATION is...

Fill in the Blank

The inverse operation of DIVISION

Fill in the Blank

The inverse operation of addition is...

Fill in the Blank

The inverse operation of SUBTRACTION is...

Fill in the Blank

The inverse operation of DIVISION is...

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

Fill in the Blank

x - 20 = 10

X = ___

Fill in the Blank

x + 2 = 10

X = ___

Fill in the Blank

3x = 15

X = ___

Fill in the Blank

x / 25 = 2

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?