Intro to Variables

Intro to Variables

Multiple Choice

What is the variable in the expression n -7 ?

• n

• -

• 7

Multiple Choice

What is the variable in the expression 18/p ?

• 18

• /

• p

Multiple Choice

What is the variable in the equation 13 + r = 29

• 13

• +

• r

• =

Multiple Choice

Which of the following is NOT a variable in this equation? p - w = y

• p

• -

• w

• y

Multiple Choice

What does the variable z represent in this expression?

Karrie had 17 pencils but z pencils broke. How many does she have left?

17-z

• how many pencils she started with

• how many pencils broke

• how many pencils she has left

Multiple Choice

What does the variable q represent in this equation?

Zack had q Kitkat bars. Then someone gave him 3 Reeses Cups. Now he has 7 pieces of candy.

q + 3 =7

• the number of KitKat bars

• the number of Reeses Cups

• the total pieces of candy

Multiple Choice

What does the variable c represent in this expression?

Mr. Hu ran 8 miles each day for c days. How many miles did he run altogether?

8 x c

• the number of miles he ran each day

• the number of days he went running

• the total number of miles he ran

Multiple Choice

What does the variable s represent in this equation?

Nurse Regina had 1,050 bandaids. She gave 10 bandaids to each student. How many fifth graders are there?

1,050/10 = s

• the total number of bandaids

• the number of bandaids she gave each student

• the number of fifth graders

Poll

Do you feel like you met our learning targets?

I can define and recognize a variable. I can explain what a variable represents.

• Totally! I get it!

• Kind of, I'm starting to understand this but need more practice.

• Not yet. I'm feeling pretty confused.