Chapter 1
Adding Integers
Adding Integers
What is the result of 5 + (-3)?
2
What is 7 - 3?
4
This word describes whole numbers that are positive, negative, and zero, such as –4, 0, and 7.
Integers
This type of organism makes its own food using sunlight, such as grass or algae.
Producer
What is the only drink you are allowed to have in class? What is the only food?
Water/None
What is the sum of -7 and 4?
-3
What is -5 decreased by 2?
-7
The number that, when added to another, results in zero is called this.
Additive Inverse
This type of organism cannot make its own food and must eat plants or animals.
Consumer
What needs to be off or on silent, and in your backpack?
Electronics
Add -12 and -8.
-20
What isthe difference between -9 and -4?
-5
This is a pair of numbers, like +3 and –3, that cancel each other out when added together.
Zero Pair
Fungi and bacteria break down dead plants and animals into nutrients. They are called this.
Decomposers
You need to show work on all of your math problems, and what else?
Highlight final answers
A hiker goes up 15 feet, then down 27 feet. What is the total change in altitude?
-12 feet
The temperature was –12°F. If it decreases by 15 more degrees, what is the new temperature?
–27°F
This term describes a number’s distance from zero on a number line, always written as a positive value.
Absolute Value
A rabbit eats grass, and then a hawk eats the rabbit. Which type of organism is the rabbit?
Primary consumer (herbivore)
On this campus and in this classroom, everyone deserves what?
Respect
The temperature was –9°F in the morning. It dropped 14 more degrees. What is the new temperature?
–23°F
A submarine is at –80 feet. It rises 120 feet. Where is it now?
40 feet
The absolute value of –12 is 12. What is the sum of –12 and its additive inverse?
0
In an ecosystem, which group recycles nutrients back into the soil so producers can grow again?
Decomposers
What needs to happen before you are excused from class?
Clean up your tables, around the area, push in your chair, and wait to be excused.