Writing expressions and equations and simplifying expression

The sum of five times a number and 4

• 5n - 4

• 5/n + 4

• 5n + 4

• 4 - 5n

The product of 7 and a number is 42

• nx7=42
• 42/7=n
• 7n=42
• 7+n=42

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

The difference of a number and 9 is 12.

• 9-n=12

• 9+n=12

• n-9=12

• 9/n=12

The quotient of a number and 3 is 9.

• 3n=9
• n/3=9
• 3+n=9
• 9/n=3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Tags

CCSS.7.EE.A.1

Simplify the expression: 3x - 2y - 8 + 2 - 3x -3y

• 6x - 5y + 10

• -5y - 10

• 6x - y - 6

• -5y - 6

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Simplify the following expression:
19 - ( 3 - 5b)

• 16 + 5b
• 21 + 5b
• 16 - 5b
• 21 - 5b

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

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.B.5

Translate this sentence into an equation.

Twice the sum of a number and 3 is 20.

Use the variable x to represent the number.

• $2x+3=20$

• $2x+3-10$

• $3\left(x+2\right)=20$

• $2\left(x+3\right)=20$

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6