Language of Algebra

What is a variable?

• a number in an equation

• a letter that stands for an unknown number in an equation

• the +,-,*,= sign in an equation

Tags

CCSS.6.EE.A.2B

What is NOT the correct word phrase for the algebraic expression 24n (choose only 1)?

• the sum of 24 and a number

• 24 times n

• the product of 24 and a number

• 24 times a number

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

What is the best way to show that you are doubling an unknown number in the language of algebra?

• n2

• n x 2

• n/2

• 2n

Tags

CCSS.6.EE.A.2A

In the library, there are "n" books in the mystery section. If the number of books in the cookbook section is half of the books in the mystery section, how would I write this using the language of algebra?

• 2n

• n + 1/2

• n/2

Tags

CCSS.6.EE.B.6

A zoo has only monkeys and parrots. If the total number of animals at the zoo is 250 and there are n monkeys, what would you call the number of parrots?

• 250n

• 250/n

• n-250

• 250-n

Tags

CCSS.6.EE.C.9

There are n coins in my piggy bank. They are all dimes. What is the value of the n dimes?

• 10 + n

• 10 - n

• n/10

• 10n

Tags

CCSS.6.EE.B.6

There are n gallons of water in my swimming pool. How many quarts are there in the language of algebra? (Remember that there are 4 quarts in a gallon)

• n/4

• n + 4

• 4n

• n - 4

Tags

CCSS.6.EE.A.2A

There are 28 students in 5th grade. If n of them are boys, how many are girls?

(a)  

Tags

CCSS.6.EE.A.2A

How would you write this in the language of algebra---a number decreased by 2?

• n - 2

• 2 - n

• n + 2

• n/2

Tags

CCSS.6.EE.A.2A

My age is twice my son's age. My brother is 3 years older than I am. My dog is half my son's age. If my son's age is n, how would you write my dog's age in the language of algebra?

• 2n

• n + 3

• n/2

• 2n/2

Tags

CCSS.6.EE.B.6