Name That Part
Addition/Subtraction
Multiplication/Division
Equivalent Fractions
Key Knowledge
100

In the algebraic expression 2x + 3, what is the variable?

x

100

x+9= 15

x=6

100

4x=20

x=5

100

Why do we use railroad tracks when solving algebraic equations?

To get the variable by itself and separate the two sides of the equation.
100

Fractions represent this operation.

Division
200

In the algebraic equation 2x + 3 = y, what is the coefficient?

2

200

20+ x =48

x=28

200

x/2 = 5

x=10

200

What would be your first step to solve 5x + 2 = 10?

Subtract 2 from both sides.

200

When solving a two step equation how many terms are usually on the same side?

Two

300

In the algebraic equation 2x + 3 = y, what is the constant?

3

300

x+8= 14

x=6

300

5x=80

x=16

300

What would be your first step to solve 

(2x + 1)/2 =6

Multiply both sides by 2.

300

How does an equation differ from an expression?

An equation involves two sets of equal terms. An expression is just a series of terms.

400

In the algebraic equation 2x + 3 = y, what is the independent variable (input)?

x

400

21= d-6

x=27

400

3= x/24

x=72

400

Are these equations equivalent?

x + 2 = 7 and 2x + 1 = 11

YES

400

When you are asked to do Distributive Property what is important to know?

You need to multiply the number outside the parenthesis by both numbers that are inside the parenthesis.  

500

In the algebraic equation 2x + 3 = y, what is the dependent variable (output)?

y

500

12= x-1.2

x=13.2

500

67.5 = 13.5x 

x=5

500

Are these equations equivalent?

2x + 4 = 20 and 2x + 7 = 23

YES

500

When talking about input and output and the function rule, what should you remember?

X and Y are connected, just like yin and yang.  The relationship between the two is dependent on the rule.

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