Find that Value
Find the value of the variable in this expression:
2x+8
When x = 4
16
Write an expression for the following:
5 more than a number
n+5
This thing is normally a letter used to represent an unknown number.
What is a variable?
The sum of 8 and 6
14
The amount of inches in a foot.
What is 12 inches?
Find the value of the variable in this expression:
-3x-2
When x = 9
-29
Write an expression for the following:
Combine 3 and a number
3+n
What is multiplication?
The quotient of 15 and 3
5
The river which is the largest in the world?
What is the Amazon?
Find the value of the variable in this expression:
8+6x
When x = -3
-10
Write an expression for the following:
Take away 24 from a number
n-24
The name given to a number in an expression that never changes. (not multiplied by a variable)
What is a constant?
86.5% as a decimal
0.865
The body's largest organ.
What is the skin?
Find the value of the variable in this expression:
28/x+1
When x = 7
5
The product of -82 and a number
-82n
We name a number this when it is multiplied/divided by a variable in an expression.
What is a coefficient?
If a racecar drove 64.5 miles in 30 minutes, how fast was he driving?
129 mph
What number is spelled with the same number of letters as the number itself represents?
What is four?
Find the value of the variable in this expression:
-4x+40
When x = -8
0
A number n split into 8 groups
n÷8
Label the variable, constant, and coefficient in this expression: 3x-4
Variable: x
Constant: -4
Coefficient: 3
A recipe for cookies calls for a ratio of sugar to flour of 2:3. If we wanted to make a batch with 9 cups of flour, how much sugar should we use?
6 cups of sugar
The name of the imaginary line that divides the Earth into the Northern and Southern Hemispheres.
What is the Equator