Modeling Expressions and Equations

What does "product" mean?

• Multiply
• Divide
• Add
• Subract

Tags

CCSS.3.OA.A.1

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Write an algebraic expression for:
three times a number plus 16

• 3(16)+n
• 16n+3
• 3n+16

Tags

CCSS.6.EE.A.2A

How would you translate
x - 5 = 12 into words?

• x - 5 = 12
• The product of x and 5 is twelve
• x less than 5 is 12
• Five less than x is 12.

Translate: two times the sum of a number and five 

• 2 + y + 5
• 2y + 5 
• 2(y + 5)
• 2 - y + 5

Tags

CCSS.6.EE.A.2A

Translate: Six fewer than twice a number is four.

• 6 - 2x = 4
• 2x - 6 = 4
• x² - 6 = 4
• 6 - x² = 4

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28
• 35x
• x+2

Tags

CCSS.HSA.APR.A.1

Maria has 25 dollars.  She has to buy a gallon of milk which costs $3.50.  She wants to spend the rest of her money on cereal.  If each box of cereal costs $4.50, how many can she purchase?

• 4 boxes
• 5 boxes
• 6 boxes
• 7 boxes

Tags

CCSS.7.EE.B.4A

–2n + 5(–3 + 3n)

• –15 + n
• 17n – 15
• 13n – 15
• –17n + 3

Tags

CCSS.6.EE.A.3

Using a Factor Tree, find the prime factorization of 54.

• 3² x 6

• 3³ x 2

• 2³ x 3

• 9 x 6