proportions
rates
algebraic expressions
States of Matter
Fun Facts
100

If x is 4 and y is 6, what is the proportion if x/y?

2/3

100

If a car travels 60 miles in 1 hour, what is its speed in miles per hour?

60 miles haha

100
Simplify x+7-x+0

x+7

100

 What are the four common states of matter?

solid, liquid, gas, plasma

100

 What is the boiling point of water in degrees Celsius?

100 C

200

Solve for x : 2/3 = x/12

x = 8
200

A recipe requires 3 cups of flour for 4 servings. How much flour is needed for 10 servings?

7.5 or 7 1/2 cups of flour

200

Simplify the expression: 3x + 2x .

5x

200

 Describe what happens to water when it freezes.

becomes a solid, dense, particles close together

200

 Name one solid that can change directly to gas without becoming a liquid.

dry ice

300

If 15 apples cost $3, how much would 25 apples cost?

$5 for 25 apples
300

If a train travels 150 miles in 2.5 hours, what is the rate of speed in miles per hour?

60 miles per hour

300

If y = 5 , what is the value of the expression 2y + 3 ?

13

300

What is the process called when a solid turns into a liquid?

melting

300

What month is Mr. C's baby due? 

February

400

Write a proportion to represent the relationship between 5 meters and 15 meters.

5 meters to 15 meters

400

How many gallons of water flow through a pipe that has a rate of 5 gallons per minute in 30 minutes?

150 gallons

400

Write an expression for the total cost "C" of "n" items that cost $15 each.

C = 15n
400

 Explain what is meant by evaporation.

liquid to gas due to substance reaching its boiling point
400

How many female students are in 7th grade?

30 students

500

If 4x = 20 , what is the value of x ?

x = 5

500

If you earn $12 per hour, how much do you earn in 8 hours?

$96
500

Expand the expression: 2(x + 4) .

2x + 8

500

 What occurs during the process of condensation?

gas to liquid when the vapors cool down enough

500

How many male students in 7th grade?

28