Word Problems
Emily is 5 years older than her sister Ashley. Ashley's age is 6 years old. How old is Emily?
11
2 + 1 = _ + 2
1
3 + _ = 10
7
A value that does not change.
Constant
x + 4 = 8
4
Mr. Reyes bought 3 video games for a total of $30. If each video game cost the same amount, how much did each video game cost?
$10
17 - 7 = 20 - _
10
15 - _ = 7
8
Is a symbol that indicates an operation to be performed.
Operator
2x + 3 = 11
4
Lylah has 4 jars of cookies. Each jar has the same number of cookies. After Lylah eats 5 cookies, there are 31 cookies left in the jars. How many cookies were in each jar?
9
_ x 7 = 21 x 2
6
5 _ 6 = 30
x
A mathematical statement that shows that two mathematical expressions are equal.
Equation
3x + 7 = 13
2
Destiny goes to the grocery store and purchases 5 bags of chips and a $2.99 bottle of soda. Her total cost was $15.49. What was the cost for a bag of chips?
$2.50
12 / 4 = 6 / _
2
7 _ _ = 21
x and 3
The alphabetic character that expresses a numerical value or a number.
Variable
4x - 5 = 15
5
A new building needs 10 doors. The builder already installed 4 of them. If it takes 2 hours to install each door, how long will it take him to install the rest of the doors?
12 hours
144 / 12 = 4 x _
3
63 _ _ = 9
/7
An integer that is written along with a variable or it is multiplied by the variable.
Coefficient
6x - 7 = 23
5