Intro to Expressions 🥸

parts of an expression

100

how many terms can be in an expression?

any amount - just not 0

200

what's a symbol that stands for something we don't know?

variable

300

what's the name of a number attached to a variable?

coefficient

400

what's a plain number in an expression called?

constant

500

if a variable doesn't have a coefficient, what number is technically out front?

1

combining like terms

100

like terms have to have...

the EXACT same variable and power

200

are these like terms?

2k², 2k

naw dawg

300

combine the like terms if there are any:

6y + 3x - y + y

6y + 3x

3x + 6y

400

am I correct?

-4x + 4x = 0x

no!  just write 0 - no need for a variable

500

combine the like terms if there are any:

9e⁵ + 2e⁴ + v + 15e³ - v - 657 - 10e⁵ + 7e² - 11e³ + 6e 

-e⁵ + 2e⁴ + 4e³ + 7e² +6e - 657

distributive property

100

when distributing, what operation is used?

multiplying

200

should you combine like terms when you can after distributing?

uh, ya, always

300

when you distribute a negative value, what happens to the operation(s) inside the parentheses?

it switches to the opposite

- ➡️ +

+ ➡️ -

400

5(x - 12 + 22x) = ???

115x - 60

500

-10(2🐸 - 3) + 15 - 10🐸

-30🐸 + 45

miscellaneous

100

can you combine x² and x⁴?

naw dawg

200

would you be correct in saying "x ・ 10 = x10?"

no!!!!!  ms. w will fight you if you do that!!!!

300

when is your intro to expressions quiz?

tuesday - feb 1.

400

-39.48x + 14.25x = ???

-25.23x

500

-93xy ÷ 6y

-15.5x

how well do you know ms. watkevich?

100

including this year, how many years have I taught?

4

200

how many siblings do I have?

3!

2 brothers and a sister

300

what is my favorite color?

I don't have one!

400

what other subject could I teach if I really wanted to?

ELA

500

how long have Mrs. Ruth and I been friends?

only since last year!