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100
What is a variable?
A variable is a letter that represents a number.
100
What is an algebraic expression?
An algebraic expression is a math sentence that includes a variable.
100
Evaluate the expression for n=5. 3n
3(5) = 15
100
Write the algebraic expression using "n" as the variable. three times a number, plus ten
3n + 10
100
Evaluate the expression for n=21. 3n + 52
3(21) + 52 = 115
200
Write the word phrase as an algebraic expression using "n" as the variable. subtract a number from ten
10-n
200
Write the word phrase as an algebraic expression using "n" as the variable. a number decreased by twelve
n-12
200
Evaluate the expression for n=2. 50-n
50 - 2 = 48
200
Write the algebraic expression using "n" as the variable. nine times a number, minus six
9n - 6
200
Evaluate the expression for n=21. 432 - 2p
432 - 2(21) = 390
300
Write the word phrase as an algebraic expression using "n" as the variable. the product of nine and a number
9n or 9 x n
300
Write the word phrase as an algebraic expression using "n" as the variable. four less than a number
4-n
300
Evaluate the expression for n=12. n + 4.9
12 + 4.9 = 16.9
300
Write the algebraic expression using "n" as the variable. four more than a number, times twelve
(n + 4) x 12
300
Evaluate the expression for n=13. (8 + n) x 3
(8 + 13) x 3 = 63
400
Write the word phrase as an algebraic expression using "n" as the variable. the quotient of a number and eight
n/8
400
Write the algebraic expression as a word phrase. 6/n
six divided by a number
400
Evaluate the expression for n=10. 33.6 - n
33.6 - 10 = 23.6
400
Write the algebraic expression using "n" as the variable. seven less than a number times three
3n - 7
400
Evaluate the expression for n=64. 10n - 249
10(64) - 249 = 391
500
Write the algebraic expression as a word phrase. 6+n
add six to a number or six plus a number
500
Write the algebraic expression as a word phrase. n-7
seven less than a number
500
Evaluate the expression for n=12. 18n
18(12) = 216
500
Write the algebraic expression using "n" as the variable. eight plus a number times sixteen
(8 + n) x 16 or 8 + 16n
500
Evaluate the expression for a=21 and b=64. 3a + 4b
3(21) + 4(64) = 319