Adding and subtracting polynomials

Combining Like Terms
and Adding Polynomials

I can solve algebraic expressions using addition/subtraction

1

Focus NC Standards

NC.ECS.M1.A-APR.1 Add and subtract quadratic
expressions. (2x² + 3x - 1) - (x² + 4x − 2).

2

Repeated Storyline

-Polynomial is an expression or equation involving
many steps!

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4

Polynomial

-Polynomial is an expression or equation

-.

-Involving multiple terms.

-
-Each term has a variable.

-
-Each Variable has some power of exponent.

-
-Listed in descending order of exponent.

-
-Variable may be multiplied by some coefficient.

-
-May end with any constant (which is actually zero exponent to variable).

Week 1: 10.21-10.25 Activities

Monday

Tuesday

Wednesday

Thursday

Friday

Identifying
Terms-
Worksheet

Polynomial
and Like
Terms
Worksheet

Jeremy

Paola

Game

6

Week 2: 10.28-11.1 Activities

Monday

Tuesday

Wednesday

Thursday

Friday

Combining
like terms

Adding
Polynomials

Printable
Answer
Sheet

Quiziz-
Combining
like terms

Combining
like terms
worksheet

Add &
Subtract
Polynomials
KAHOOT

Unit 2
Checkpoint

7

8

Make a Prediction

10

11

Repeated Storyline

-Polynomial is an expression or equation involving
many steps!

12

A letter of the alphabet that
replaces the missing number.

A number without the
variable.

The amount of times a
number is multiplied by
itself.

a numerical or constant
quantity placed before
and multiplying the
variable

An equation containing at
least one term that is
squared

A number, variable or
the product of a number
and variable in a
expression separated
by a plus or minus sign

TERM

​

Terms that have the
same variable with the
same exponent

Vocabulary

Variable: A letter of the alphabet that replaces the missing number.

Constant: A number without the variable.

Exponent: The amount of times a number is multiplied by itself.

Coefficient: A numerical or constant quantity placed before and multiplying the
variable

Quadratic Equation: An equation containing at least one term that is squared

Term: A number, variable or the product of a number and variable in a expression
separated by a plus or minus sign

Like Terms: Terms that have the same variable with the same exponent

20

21

Variable

Constant

Arranged Exponents in Decreasing Order

Coefficient

Exponent

22

TERM

TERM

TERM

Like Terms

23

Combine Like Terms

24

Combine Like Terms

25

x + 5 + 2x + 3

= 3x + 8

Quadratic Equation

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Week 1

Identify Like Terms

Identify Like Terms

28

Which of the following
pairs are like terms?

2x & 4y

x & 3x

2x & 4y

Identify Like Terms

29

Which of the following
pairs are like terms?

b and 2c

8g and 7f

9e² and 2e²

Identify Like Terms

30

Which of the following
pairs are like terms?

3j² and 2j²

4h² and 2h

5 and 2c

Identify Like Terms Practice

31

Which of the following
pairs are like terms?

3k & 2k

3k² & 2k

3j & 2k

Identify Like Terms Practice

32

Which of the following
pairs are like terms?

3x and 6x

5m and 2n

4z and y

Identify Like Terms Practice

33

Which of the following
pairs are like terms?

4n & 3n

5 & 2m

4n & 3m

Combine Like Terms

34

Combine Like Terms

35

Combine Like Terms

36

Combine Like Terms Practice

37

Combine Like Terms Practice

38

Combine Like Terms Practice

39

40

Adding

Polynomials

Addition of Polynomials

41

Subtraction of Polynomials

42

Repeated Storyline

-Polynomial is an expression or equation involving
many steps!

-

43

44

Addition of Polynomials

45

Subtraction of Polynomials

46

Subtraction of Polynomials

Rewrite subtraction
as addition

Combine like terms

47

Subtraction of Polynomials

48

Addition of Polynomials

49

Addition of Polynomials

Addition and Subtraction:

Practice Exercise of Polynomials

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51

(5x + 2) + (3x + 4)

5x + 2
+ 3x + 4

8x + 6

2x + 6

5x + 2

Practice #1

52

Practice #2

+

53

Practice #3

54

Practice #4

Summary of adding and
subtracting polynomials

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56

Addition of Polynomials

57

Subtraction of Polynomials

Let’s make a Connection

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