Math 1.2 and 1.3/Science Unit 4, Lesson 1

Math Vocabulary

2

What is the name for any number that is positive, negative, or zero?

Integer

4

How would you explain absolute value?

The distance (spaces or places) an integer is from zero.

6

Two numbers that are the same distance from 0, but on opposite sides of 0, are called...

Opposites

8

Explain what "repeat" means.

to say or do something over again.

10

Explain what positive integers are and what negative integers are. Where are they located on the number line?

Positive numbers are on the right side of zero, indicating their value is greater than zero.

Negative numbers are on the left side of zero, indicating their value is less than zero.

Math 1.2 and 1.3

2

82 - (-23)

105

4

-15 - 46

-61

6

10 + 21 + (-7)

24

8

The temperature is −9°F at 9:00 a.m. During the next 6 hours, the temperature increases 41°F. What is the temperature at 3:00 p.m.?

32°F

10

A man dives from a platform 9 feet above ground. The diver reaches a depth of 6 meters. What is the expression you would use to solve this and what is the change in elevation of the diver?

9 - 15 = -6

Math 1.4 (Multiplying Integers

2

The rule for multiplying integers with different signs is...

Finish the statement.

the product will always be negative.

4

The rule for multiplying integers with the same sign is...

Finish the statement.

the product will always be positive.

6

-12 x 4

-48

8

-5 x (-14)

70

10

You have been looking at shoes to buy for 4 weeks. Each week the price of the shoes has decreased by $6. Find the total change in the price of the pair of shoes.

-$24

Science Vocabulary

2

What is anything that has mass and takes up space?

Matter

4

What is the smallest unit of living things?

A cell

6

What is the force that causes things to move?

Energy

8

What is the scientific term for an individual plant, animal, or single-celled life form?

Organism

10

What is it that is made up of two or more atoms, held together by chemical bonds?

A molecule

Science: Unit 4, Lesson 1

2

H₂O is an example of what?

Compound; water molecule

4

The bodies of all living things are made up of what?

Matter

6

What element takes of most of the mas of the human body, and how do you know?

Oxygen because you need oxygen to make a water molecule and the human body is 70% water.

8

What is an example of matter that is needed to carry out life processes?

Food we eat; air we breathe; water we drink

10

What happens to plant or animal matter as it ages or dies?

The plant or animal matter breaks down through decomposition.