Writing Expressions
Writing Equations
Solving Equations
Expression or Equation?
Vocabulary
100
Fern has 7 red pens and b blue pens. How many pens does Fern have?
What is "7 + b" pens?
100
Roger bought some used CDs at a garage sale. He gave 9 CDs to his dad and kept 12 of them for himself. How many CDs did Roger buy at the garage sale?
What is "c - 9 = 12" or "c - 12 = 9" or "9 + 12 = c" or 12 + 9 = c"?
100
18 + x = 36
What is "x = 18"?
100
25y
What is an "expression"?
100
A(n) _________________ is an unknown part of an equation, represented by a letter.
What is a variable?
200
Sarah had 15 quarters. She used q quarters in the vending machine. How many quarters does Sarah have left?
What is "15 - q" quarters?
200

Felicia and Sam sold 103 muffins at the bake sale. Felicia sold 25 muffins. How many muffins did Sam sell at the bake sale?

What is "25 + s = 103" or "s + 25 = 103" or "103 - 25 = s" or 103 - s = 25"?

200

x - 45 = 88

What is "x = 133"?

200
145t + 3
What is an "expression"?
200
Each group of variables and numbers, separated by addition and subtraction signs, is called a(n) _____________ of the equation.
What is a term?
300

Macy had d dollars. She gave half of her dollars to charity. How many dollars did she give to charity.

What is  "d/2" dollars?

300
Francine walked 44 miles last month on her days off. She walked 4 miles each time. How many days did Francine have off?
What is "4d = 44" or "44/4 = d" or 44/d = 4"?
300
x/3 = 10
What is "x = 30"?
300
19f = 63
What is an "equation"?
300
Two expressions set equal to each other creates a(n) _______________.
What is an equation?
400
A candy company divided c bags of candy into 12 boxes. How many bags of candy are in each box?
What is "c/12" bags?
400
Alison took 51 candy bars and split them into groups to give out for Halloween. She put 3 bars in each group. How many bunches did Alison make?
What is "51/3 = b" or "51/b = 3" or "3b = 51"
400

15x = 75

What is "x = 5"?

400
7(1/2 + r)
What is an "expression"?
400
A(n) ________________ is a combination of numbers, variables, and symbols that illustrate a mathematical relationship
What is an expression?
500
Five times the sum of 4 and t
What is "5(4 + t)"?
500

The sum of 13 and the quotient of x and 6 is equal to 15.

What is "13 + x/6 = 15"?

500

x/7 - 4 = 3

What is "x = 49"?

500
34v - 17 = 12u + 87
What is an "equation"?
500
the answer to a subtraction problem is a(n) ______________.
What is the difference?