Exploring One Step Equations: Addition and Subtraction

The video tutorial covers the basics of equations, focusing on understanding and solving them using inverse operations. It explains the concept of equations as mathematical sentences showing equality between expressions. The tutorial emphasizes the importance of isolating variables and using inverse operations to solve equations, specifically addition and subtraction. It provides examples and checks solutions to ensure accuracy, highlighting the need for showing all steps in the process.

What does an equation represent in mathematics?

• A math sentence showing two expressions are equal

• A math sentence showing two expressions are not equal

• A math sentence showing one expression

• A math sentence showing a variable

What is the goal when solving an equation?

• To find the value of the variable that makes the equation true

• To find the value of the coefficient

• To find the value of the constant

• To find the value of the variable that makes the equation false

Tags

CCSS.6.EE.B.7

What does the term 'inverse operation' mean?

• The multiplication operation

• The opposite operation

• The addition operation

• The same operation

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CCSS.HSA.REI.A.1

What is the inverse operation for addition?

• Subtraction

• Division

• Addition

• Multiplication

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CCSS.HSA.REI.A.1

What is the first question you should ask when solving an equation?

• What is the value of the constant?

• What is the coefficient?

• What is the value of the variable?

• What type of equation is this?

Tags

CCSS.6.EE.B.7

How do you check if your solution to an equation is correct?

• By using a calculator

• By solving another equation

• By substituting the solution back into the original equation

• By guessing

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CCSS.8.EE.C.7B

What should you do if an equation involves subtraction?

• Add the same number to both sides

• Subtract the same number from both sides

• Divide both sides by the same number

• Multiply both sides by the same number

Tags

CCSS.6.EE.B.7

How do you solve an equation involving fractions?

• By ignoring the fractions

• By converting fractions to decimals

• By finding a common denominator

• By multiplying the fractions

Tags

CCSS.8.EE.C.7B

If Jeff is 48 years old and this is 25 years older than Seth, how old is Seth?

• 23 years old

• 73 years old

• 25 years old

• 48 years old

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CCSS.6.EE.B.6

If brownies take 28 minutes longer to bake than sugar cookies, which take 7 minutes, how long do brownies take to bake?

• 7 minutes

• 28 minutes

• 35 minutes

• 21 minutes

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CCSS.6.EE.B.7