Vocabulary
What is a number without a fraction or decimal called?
An integer
Which direction do you move to add a positive number?
Right
What is the additive inverse of 5?
-5
What is -3 + (-4)?
-7
What is the absolute value of -12?
12
What do we call the distance a number is from zero?
Absolute value
What direction do you move to add a negative number?
Left
What is the additive inverse of -8?
8
What is 8 + (-5)?
3
Decompose 4.6 into a whole number and a decimal part.
4 + 0.6
What is the number that cancels another number out to make zero when added?
Additive inverse
Start at −3 and move 5 units right. Where do you land?
2
What is 6 + (-6)?
0
What is -2.5 + (-1.5)?
-4
Decompose −7.35 into an integer and a decimal part.
-7 + (-0.35)
What do we call breaking a number into smaller parts?
Decomposing
Which is greater: −7 or −2?
-2
What is the additive inverse of -3.75?
3.75
What is -3/4 + 1/2?
-1/4
The temperature is −6°F and rises 11.5°F. What is the new temperature?
5.5 degrees F
What is a number that can be written as a fraction of two integers, with a nonzero denominator?
A rational number
Start at −4.5 and move 7 units right. Where do you land?
2.5
What is the sum of −2 1/4 and its additive inverse?
0
What is −6.85 + 10.9?
4.05
What is −12.75 + 8.4 + (−3.25)?
What is −12.75 + 8.4 + (−3.25)?