Algebraic Thinking

Question 1

algebraic expression

Answer 1

a mathematical phrase that contains terms that include numbers, variables, or a combination of numbers and variables
examples: 2a + 7, 8, y - 2

Question 2

equation

Answer 2

two algebraic expressions separated by an equal sign

Question 3

polynomials

Answer 3

algebraic expressions that do not have a variable in the denominator of a fraction

Question 4

independent variable

Answer 4

represents where numbers are input in order to find the value of the dependent variable.

Question 5

dependent variable

Answer 5

the output value of an equation

Question 6

addition words

Answer 6

sum, plus, add, altogether, total, increased by

Question 7

multiplication words

Answer 7

product, times, multiply, of, double, twice

Question 8

subtraction words

Answer 8

difference, minus, take away, less, less than, subtracted from, decreased by

Question 9

equal words

Answer 9

is, equal, equivalent to

Question 10

arithmetic sequence

Answer 10

a list of values where the difference between one term and the next term is always the same value, called the common difference.
example: 2, 5, 8, 11… has a common difference of 3

Question 11

geometric sequence

Answer 11

a list of values where the difference between one term and the next term is always a multiple of the same value, called the common ratio.
example: 1, 2, 4, 8… has a common ratio of 2.