Number Systems and Integers - Day 1

What is the single element in the set of whole numbers that makes it different from the set of natural numbers?

• -1

• 0

• 1

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Number systems

Which one of these Integers is also a Natural Number?

• 5

• 0

• -5

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Number systems

The set of contains all of the whole numbers and their opposites.

(a)  

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Number systems

If a rational number is any number that can be written in the form of a fraction, please write your own example of a rational number in space provided.

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Number systems

Which of these rational numbers is equal to an integer?

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Number systems

Jayden is fishing from a dock. He starts with the bait 2 feet below the surface of the water. He lets the bait drop down 19 feet, then pulls it back up 7 feet. What is the final position of the bait relative to the surface of the water?

• 28 feet below the surface

• 14 feet below the surface

• 10 feet below the surface

• 0 feet below the surface

Tags

Integer Add/Subt WP

The temperature on a winter night was -23 degrees. The temperature rose by 5 degrees when the sun came up. Then the temperature rose another 11 degrees over the next two hours. What was the final temperature two hours after sun rise?

• -29 degrees

• -17 degrees

• -12 degrees

• -7 degrees

Tags

Integer Add/Subt WP

Meliyah earned 50 points while playing a video game. She lost 40 points, then earned 87 points, then lost 30 more. What is her final score?

• 207 points

• 127 points

• 107 points

• 67 points

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Integer Add/Subt WP

The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7, and up $4. What was the price of a share at the end of the day?

• $27
• $31
• $32
• $35

Tags

Integer Add/Subt WP

The temperature drops 2°F each hour. What is the total change in temperature after 12 hours?

• -24
• 26
• 24
• -26

Tags

Integer Mult/Div WP