Equation Review

An equation is...

• a problem that contains at least one variable and at least one operation; no equal sign

• a mathematical sentence showing two expressions are equal.

• The solution for a variable

• The value that results in a true sentence

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

A solution is...

• A variable that results in a true sentence

• A mathematical sentence showing two expressions are equal.

• Numbers expressed using exponents

• The value for the variable in an equation.

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Inverse Operations are operations which undo each other.

• True

• False

Tags

CCSS.4.NBT.B.4

CCSS.4.NBT.B.6

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.7.NS.A.2

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

Five times as many as seven is thirty-five

• 5 x 7 = 35
• 35 = 5 x 7
• 5 + 7 = 35
• 35 = 5 + 7

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

What is the solution of 9 + k = 18

• 18

• 9

• 8

• 7

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

What is the solution of 3w = 30

• 6

• 9

• 10

• 12

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7