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Describing Patterns with Variables
Translating Words into Algebraic Expressions
Evaluating Algebraic Expressions
Expressions and Formulas
Curran Choice
100
An instance for the pattern a+b=b+a, using the numbers 3 and 4.
What is 3+4=4+3? ...(or 4+3=3+4)?
100
"a number divided by six" as an algebraic expression
What is n/6?
100
the evaluation of "abc", where a=2, b=3, and c=6
What is 36?
100
the perimeter of a rectangle with a length of 8cm and a width of 5cm.
What is 26cm?
100
The perimeter of a square with a side length of 5m.
What is 20m?
200
An instance for the pattern 3n+4n=7n using the number, 1.
What is 3x1 + 4x1= 7x1?
200
"The product of ten and a number" - written as an algebraic expression
What is 10n?
200
the evaluation of "mn - n", when m=9 and n=6
What is 48?
200
the area of a triangle with a base of 12in and a height of 9in. (Hint: don't forget to divide!)
What is 54in^2?
200
"five less than a number" written as an algebraic expression.
What is n-5?
300
the general pattern for these instances: 14% x 0 = 0 -6.3 x 0 = 0 9/13 x 0 = 0
What is nx0=0?
300
"the difference of a number and five" as an algebraic expression
What is n-5?
300
the evaluation of "the product of a number and 11" where n=8.
What is 88?
300
the area of a rectangle, with a length of 7cm and a width of 6cm
What is 42cm^2?
300
This proves an instance or a statement to be false.
What is a counterexample?
400
the general pattern for these 3 instances: one tricycle has 1 x 3 wheels four tricycles have 4 x 3 wheels ten tricycles have 10 x 3 wheels
What is n tricycles have n x 3 wheels?
400
"14/n" written in word form, using the phrase divided into
What is a number divided into fourteen?
400
The evaluation of "the quotient of a number and three, plus two" when n=24
What is 10?
400
20 degrees Celsius would be this in degrees Fahrenheit (Hint: F = 9/5C +32)
What is 68 degrees Fahrenheit?
400
The word that describes the result of doing the operation addition.
What is sum?
500
One example of a general idea.
What is an instance?
500
"the sum of half a number and twenty-five, subtract four" - written as an algebraic expression
What is (1/2n + 25) - 4?
500
the evaluation of "five more than triple a number" when n = 4
What is 17?
500
the longest side of a right triangle, where a=3 and b=4. (Hint: a^2 + b^2 = c^2)
What is 5?
500
The two word phrases in which we switch the order for the expression.
What is less than and divided into?