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Definitions
Integers
Rationals
Properties
Word Problems
100
Any whole number or it's opposite
What is an integer
100
-6 + 5
What is -1
100
- 1/4 + 1/2
What is 1/4
100
a*b = b*a
What is the commutative property?
100
A bird descended at a rate of 4 feet per second for 25 seconds. This value represents its change in elevation?
What is -100?
200
(-8)/(-2) * (-6) / 2
What is -12
200
-3/8 * 4/9 * (-6/5)
What is 1/5
200
-4.5 + 0 = -4.5
What is the identity property
200
A bird starts at an elevation of 400 feet. It descends at a rate of 3 ft/sec for 10 seconds then ascends at a rate of 2 ft/sec for 20 seconds. This value represents the new elevation of the bird.
What is 410 feet.
300
The distance a number is from 0
What is absolute value
300
| - 3 - 8| * -2
What is -22
300
(-5.2)*20 - (-2.4)(10)
What is -80
300
-5 + 8 - 3 + 1 = -5 + 8 + (-3) + 1
What is the additive inverse?
300
A jug has a small crack and loses water at a rate of 2/3 oz per second for 30 seconds. During the same 30 seconds, a faucet is filling the jug at a rate of 4/5 oz per second. This value represents the change in the volume of the jug.
What is 4 oz.
400
When subtracting two numbers we can change subtraction to addition and add the ________________
What is the additive inverse
400
-3 |4 - (-9) + 3| - |6 - 32|
What is -62
400
-1.2 - (-1/4)(8) + 6( 1/6 - 2/3)
What is -2.2 or -2 and 1/5
400
-3.5 + 8*(-2.1 * 3.56) - 57 = -3.5 + (8 * -2.1) * 3.56 - 57
What is the associative property?
400
Mr. R has a debt of $1485 to his parents for helping out with rent and a debt of $459 to Columbia University for one of his classes. After getting his birthday money he was able to pay back 5/9 of his debt. This value represents his remaining debt.
What is -$648
500
The distance between two values is found by taking the absolute value of their ______________
What is their difference
500
-4*5 - 7*(5 + -2) + |3*-6|
What is -23
500
6*(-1/6 - 2/3) - 2(-1.5 + 3) - 5/6
What is -8 and 5/6
500
-2 + 5(6.7 - 5 + 1) - 6(8*-4) = -2 + 5(6.7) + 5(-5) + 5(1) - 6(8*-4)
What is the distributive property?
500
Jessica is trying to save up $123.87 for Christmas presents. She gets a job helping her elderly neighbor with chores that pays $13.50 a week. In order to have time to help her neighbor, she starts paying her brother $4.75 per week to do the dishes for her. If she had $38.42 five weeks ago, how many more weeks will it take her to earn what she needs?
What is 5 weeks?