Vocabulary
This type of math problem has numbers, operations but NO equal sign.
Expression
The product of c and 23 is 322.
23c = 322
Solve the following:
3x + 5 = 8
x = 1
x/10 = 3
x = 30
x-5=-29
x = -24
This type of math problem has numbers, operations AND an equal sign.
Equation
The quotient of a number and 4.
n/4
Solve the following:
10y + 4 = 44
y = 4
8x = -64
x = -8
In the expression
4m + 2 - 8 + 9x
What are the coefficients?
4 and 9
The number in front of the variable
Coefficient
A number x divided by 3 is 7.
x/3 = 7
Solve the following:
-5z + 1 = 41
z = -8
x + 1.5 = 8.4
x = 6.9
-5e = -40
e = 8
The letter in an expression or equation.
Variable
The difference of twice p and 9.
2p - 9
Solve the following:
2x - 4 = -10
x = -3
x - 8 = -10
x = -2
Solve
54 = -9x
x = -6
Give an example of two inverse operations.
Add and Subtract OR Multiply and Divide
The product of 4 and a number plus 10 is equal to 30
4x + 10 = 30
Solve the following:
4b + 2.5 = 10.5
b = 2
1/2x = 20
x = 40
Solve:
-3x = -18
x = 6