Vocabulary
Writing Expressions
Substitution
Terms/Coefficients/Constants
Word Problems
100
A letter or symbol that represents an unknown quantity
What is a variable
100
An algebraic expression that represents the situation: A number plus 5
What is x+5
100
Evaluate x + 3 when x = 3
What is 6
100
How many terms does the expression below have? Also, name any coefficients or constants:
6x + 5
2 Terms, 6 is the coefficient, and 5 is the constant.
100
Candice is collecting donations from her neighbors . After collecting d dollars in donations, she will have a total of 10+d dollars in the jar. Today, she collected $36 in donations.
What is $46
200
Replacing the variable with a number in an algebraic expression
What is substitution
200
Write an algebraic expression:
Ten erasers decreased by a number n
What is 10 - n
200
Evaluate the expression 2t + 10 when t = 5
What is 20
200
How many terms does the expression below have? Also, name any coefficients or constants:
2x + 8 - 10x.
3 terms, 2 and 10 are coefficients, and 8 is the constant
200
Mr. Grant wants to tile an area with square tiles. Let s = the side length, in feet, of a square tile. Use the expression 81 / 3s to find the number of tiles Mr. Grant needs to buy when s =3
What is 3 tiles
300
Each part of an expression separated by a plus or minus sign.
What is a term
300
Write an algebraic expression that represents the situation:
A number split equally by 6 decreased by 4
What is x/6 - 4
300
Evaluate the expression:
5.5x + 2.1 - 3 for x = 2
What is 10.1
300
How many terms does the expression below have? Also, name any coefficients or constants.
3 terms
12 is a coefficient
19 is a constant
300
Julie was throwing a baseball. Julie’s mother wrote an equation to calculate the momentum by doing w * s Let w = the weight of the baseball. Let s = the speed the baseball is traveling. The weight of the baseball is 2 pounds and the speed of the baseball is 50 miles per hour. What is the momentum of the baseball.
What is 100
400
The number that is multiplied by a variable
What is a coefficient
400
Write an algebraic expression that represents the situation:
The quantity x times 3 less than 5
What is 5 - 3x
400
Evaluate the expression:
4x2 + 2z - 10 + z4 when x = 5 and z = 2
What is 102
400
How many terms does the expression below have? Also, name any coefficients or constants:
9x + 3 + 8 - 12x + 2y
5 terms
9, 12, and 2 are coefficients
3 and 8 are constants
400
Mark collects miniature cars. How many miniature cars does Erik have if each smaller case holds 15 cars? Use the expression 20 + 3n where n is the number of cars the smaller case holds.
What is 65
500
A type of math expression that has at least one variable and at least one operation
What is an algebraic expression
500
Darius bought some comic books at $5 for each comic book. How can you write an algebraic expression to represent the total cost of comic books? Use b as the variable for books.
What is 5b
500
Evaluate:
3/4 * x divided by 1/4 when x = 8
What is 24
500
How many terms does the expression below have? Also, name any coefficients or constants.:
2x2 + 3x3 - 5 + 8 - 5x5
5 terms
2,3,and 5 are coefficients
5 and 8 are constants
500
The Skyler Science Museum charges a different ticket price for adults and children. The total price for a adults and c children is 6.5a+3.5c dollars. What price will Mr. Jennings pay for 2 adults and 4 children
What is $27