Writing Expressions
Karmyn has 7 red pens and b blue pens. How many pens does Fern have?
7+b
2x, 4y, 5
18 + x = 36
18
25y
expression
A(n) _________________ is an unknown part of an equation, represented by a letter.
variable
Kia had 15 quarters. She used q quarters in the vending machine. How many quarters does Kia have left?
15-q
5y
x - 45 = 88
43
145t + 3
expression
Each group of variables and numbers, separated by addition and subtraction signs, is called a(n) _____________ of the equation.
term
Macy had d dollars. She gave half of her dollars to charity. How many dollars did she give to charity.
1/2d
In the equation 5y+4xy+2y. How many like terms do I have?
2
x/3 = 10
30
19f = 63
equation
Two expressions set equal to each other creates a(n) _______________.
equation
A candy company divided c bags of candy into 12 boxes. How many bags of candy are in each box?
c/12
In the equation 3xy=44. Where is my sum?
44
15 * x = 75
5
7(1/2 + r)
equation
A(n) ________________ is a combination of numbers, variables, and symbols that illustrate a mathematical relationship
expression
Five times the sum of 4 and t
5(4+t)
In the equation 4x+5y+3xy+8y+3vx+10x=42. How many like terms do I have?
4
x/7 - 4 = 3
1
34v - 17 = 12u + 87
equation
the answer to a subtraction problem is a(n) ______________.
difference