How would you write "the difference between 2n and 30?"
2n-30
or
30-2n
100
If you are asked to find the product of 2 numbers, what mathematical operation are you using?
multiplication
200
-4+(-2)=?
-6
200
What is 21 / (-3)=?
-7
200
10p+12-8p=?
2p+12
200
What is the length of each side of a square if the perimeter is 24 m?
6 m
200
Find the missing term to make the statement true.
6j-?=3j
3j
300
6+(-10)=?
-4
300
What is (-8)(-2)=
16
300
14X-(-14X)=?
28X
300
How would you write "3 subtracted from 4p?"
4p-3
300
What is the formula for finding the perimeter of a square?
P=4S
or
P=S+S+S+S
400
-5-(-8)=?
3
400
What is -8 / (-4)=?
2
400
10n-15-5n+6+2c=?
5n-9+2c
400
A football team gained 15 yards on the first play and then lost 8 yards on the second play. Using positive and negative numbers, show the teams progress.
+15-8=+7 (yards gained)
400
What is the definition for absolute value?
the number of spaces from zero or distance from zero
500
-3-(+4)=?
Careful, think it through
-7
It should be rewritten as -3+ the opposite of +4, so...
-3+(-4)=-7
500
Is the answer to this problem positive, negative or zero?
(-771)(-522)=?
positive
500
9m-14-6m+4r+12r=?
3m-14+16r
500
Read carefully and think:
Lake Eyre, Australia has an elevation of -52 feet, while Lake Torrens, Australia has an elevation of 92 feet. What is the difference between the 2 elevations?
144 feet
500
What is the width of a rectangle when the perimeter is 14m and the length is 4m?