Math Group Activity

What is the meaning of constant in an algebraic expression/equation?

• is any small letter of the English alphabet or symbol that represents a number

• an expression built up from constant algebraic numbers, variables, and the algebraic operations

• occurring continuously over a period of time.

• has a fixed value that does not change

What is a variable in algebraic expression/equation?

• has a fixed value that does not change.

• is any small letter of the English alphabet or symbol that represents a number

• an expression built up from constant algebraic numbers, variables, and the algebraic operations

• importance, worth, or usefulness of something

In 6m + 2n = 16, where are the variables?

• 6,2

• 16,2n

• 2,6,16

• m,n

In 6m + 2n = 16, where are the constants?

• 6,2n,16

• 16,2n,6

• 2,6,16

• m,n

In -5g+4h = 124, what are the variables?

• g

• g,h

• -5,4

• 124

The sum of a and twenty-seven in algebraic expression.

• a27

• 27a

• a-27

• a+27

Thirty is equal to thrice k decreased by q.

• 30 = 3k + q

• 3k - q = 30

• 3(k-q) = 30

• 30 = 3k / q

Twice g decreased by fifty-nine

• g (2) - 59

• 2g + 59

• 2g - 59

• 59 = 2g

Ana is thrice as old as Elsa.

• 3x

• 3x + x

• 3 - x

• x +3

Kendra is z years old. How old is she 10 years ago

• 10z

• z - 10

• z + 10

• 10 = z