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Vocabulary
Simplify Expressions
One step equations
Two Step Equations
Mixed Review
Section 5.1
(DOUBLE POINTS)
Science Vocab
States of Matter
100
This type of math problem has no equal sign.
Expression
100

Simplify:

3(x+2)

3x + 6

100

x/10 = 3

30

100

2x + 1 = 5

x=2
100

Simplify 2b + (-4b) - 10 + 6

-2b - 4

100

Which is a rate and which is a ratio? YOU DO NOT NEED TO REWRITE THE SENTENCE, JUST THE NUMBER:

1. There are 234 students in 9 different classrooms. 

2. She can swim 2 laps in 4 minutes.

1. Ratio

2. Rate

100

A state of matter where particles are packed tightly together in a fixed shape and volume. The particles vibrate but do not move freely.

Solid

100

What are the three states of matter?

Solid, liquid, gas

200
This type of math problem has an equal sign.
Equation
200

Simplify

-4 (m + 9)

-4m - 36

200

8x = -64

-8
200

x/3-4=11

x=5

200
2 - 10 + 2(15)
22
200

Find the unit rate:

360 miles in 6 hours

60 miles per hour

200

A state of matter where particles are close together but can slide past one another. Liquids have a definite volume but take the shape of their container.

Liquid

200

a characteristic or trait that can be used to describe matter or substances.

Property

300
Another word for numbers used in expressions and equations
Constant
300

Simplify:

3x - 9x

-6x

300

x + 5 = - 9

-14
300

-2x-5=-11

x=3

300

Simplify 10 + 2b + 8b - 6

10b + 4

300

Find the unit rate:

$1.29 for 20 ounces

$0.0645 per ounce

300

A state of matter where particles are spread out and move freely in all directions. Gases do not have a definite shape or volume and will expand to fill any space.

Gas

300

Name two properties.

(mass, volume, density, hardness, color, shape, particle movement, particle arrangement, compressibility, fluidity, intermolecular forces)

400
Another word for the letters used in expressions and equations.
Variable
400

Simplify:

10x + 7 -4x-(-15)

6x + 22

400

x - 8 = -10

-2
400

5(3-x) = 30

x=-3
400

solve

54 = -9x

-6

400

Dishwasher detergent is sold in individual packs, in 20-, 60-, and 90-pack containers. 

The 60-pack container sells for $10.97. What is the unit rate in dollars per pack? Round your answer to the nearest cent.

$0.18 per pack

400

The total energy of all the moving particles in a substance. It depends on the temperature and the number of particles in an object.

Thermal Energy

400

Name two phase changes.

(melting, freezing, condensation, evaporation, sublimation, deposition)

500

What type of math where numbers and symbols are used to formulate expressions and equations.

Algebra

500

Simplify:

9 + 7x - 11 - 12x

-5x - 2

500

20 = x + 4

16
500

14x + 2(x - 5) - 10=-4

x=-1

500

Solve: 

-3x = -18

6

500

There are 16 bacteria in a beaker. Four hours later there are 228 bacteria in the beaker. What is the rate of change per hour in the number of bacteria?

53 bacteria per hour

500

The energy an object has due to its motion. Faster-moving particles have more kinetic energy, while slower-moving particles have less.

Kinetic Energy

500

Provide one real-world example of phase change.

Varies