What is the unknown variable?

This equation shows how to solve for how many packages of diapers you can buy with $40 if one package costs $8?

8x = 40

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• one package costs $8

• buy with $40

• how many packages of diapers

• equation

Tags

CCSS.6.EE.B.7

Last week Julia ran 30 miles more than Pranav. Julia ran 47 miles. This equation shows how many miles Pranav ran?

X- 30 = 47

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• Julia ran 47 miles

• Last week Julia ran 30 miles

• ulia ran 30 miles more than Pranav

• how many miles Pranav ran

Tags

CCSS.6.EE.B.6

Four fifths of a class of 480 shows up for class one day. This equation can be used to solve for how many students attended?

4/5x = 480

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• how many students attended

• Four fifths of a class of 480 shows up

• 480 shows up for class one day

• ich equation can be used

Tags

CCSS.6.EE.B.7

Jill sold half of her comic books and then bought sixteen more. She now has 36. This equation shows how to solve the question:  "With how many did she begin?"

x/2  + 16 = 36

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• She now has 36

• With how many did she begin

• Jill sold half of her comic books

• bought sixteen more

Tags

CCSS.7.EE.B.4A

At a restaurant, Mike and his three friends decided to divide the bill evenly. If each person paid $13 then what was the total bill?

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• Mike and his three friends

• each person paid $13

• what was the total bill

• At a restaurant

Tags

CCSS.6.EE.B.7

An electrician charges a $60 service fee and then $30 per hour for labor. This expression could be used to determine the cost of service for a session that lasted h hours?

60 + 30h

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• $30 per hour for labor

• How many hours did the electrician work

• His name is Larry

• electrician charges a $60 service fee

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Mike is saving his money to buy a bike. He has $25 saved so far. The bike he wants to buy costs $125. If he makes $20 a day raking leaves, which equation will help Mike determine how many days he needs to rake to have $125 total. Let n equal the number of days raking leaves.

20n + 25 = 125

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• Mike is saving his money to buy a bike

• has $25 saved so far

• he needs to rake to have $125 total

• how many days he needs to rake

Tags

CCSS.7.EE.B.4A

Scott works on cars. He charges $35 for each car plus $7 per hour. This equation t represents this scenario if Kylie's car bill was $63.

7x + 35 = 63

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• He charges $35 for each car

• plus $7 per hour

• Scott works on cars

• How many hours did they work on the car

Tags

CCSS.7.EE.B.4A

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. This is an equation that represents this scenario if she spends $35 in all.

.50x + 20 = 35

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• It costs $20 to get into the carnival

• Penelope is going to the carnival to ride the rides

• How many tickets did she buy

• she spends $35 in all

Tags

CCSS.7.EE.B.4A

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

24-10=7x

What is the variable/ unknown? ¿Cuál es la variable / desconocida?

• seven pencils

• fter buying them she had $10

• Aliyah had $24 to spend

• How much did each pencil cost?

Tags

CCSS.6.EE.B.7