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Writing Expressions
Writing Equations
One Step Equations
Two Step Equations
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

5 + 7x = 61

x=8

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 "45 + s = 103" or "s + 45 = 103" or "103 - 45 = s" or 103 - s = 45"?

200
x - 45 = 88
What is "x = 43"?
200

(d/7) - 4 = 3

x=49

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 "1/2 d" 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

9(r-90)=81

x=99


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

15 * x = 75

What is "x = 5"?

400

-8(v-89)=16

v=87

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 6 and x is equal to 15.
What is "13 + 6/x = 15"?
500

3/4 x - 8 =85

x=124

500

2(x-9)=8

13

500
the answer to a subtraction problem is a(n) ______________.
What is the difference?