writing expressions and equations

Translate the sentence into an equation.
Seven subtracted from n is 18 

• n + 7 = 18
• 7 - n = 18
• n - 7 = 18
• n + 7 = 18n

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

The sum of 6 and x multiplied by 4 

• 4(x + 6)
• 6x + 4
• x +4
• 4x + 4

Tags

CCSS.6.EE.A.2A

Twice a number plus half 

• 2x + 1/2
• 2 + x/2 

Tags

CCSS.6.EE.A.2A

z - 4

• 4 inches ahead
• 4 less than z
• 4 times as many
• one-fourth the size

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

z - 7

• seven times as many
• seven inches ahead
• seven inches behind

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Beth is 6 years younger than twice her brother's age.  How old is Beth?

• 6 - 2b
• 2b - 6
• 1/2b + 6
• b + 6

Tags

CCSS.6.EE.B.6

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

Tags

CCSS.6.EE.A.2B

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.

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

A number split equally by seven

• 7 ÷ n 
• 7n
• n - 7 
• n ÷ 7

Tags

CCSS.6.EE.A.2A

Check all the following that could accurately represent this expression: 2 x - 3

• 3 less than twice a number

• a number doubled then decreased by 3

• twice a number less than 3

• The product of a 2 and a number minus three

Tags

CCSS.6.EE.A.2A