Solving One-Step Equations

Mrs. Becker introduces lesson 26 on solving one-step equations using addition and subtraction. The lesson covers solving equations with tape diagrams and algebraic methods, emphasizing the importance of understanding the process. Examples include solving B + 9 = 15, 12 = 8 + C, and D - 5 = 7. Students are encouraged to practice using both methods and check their solutions. The lesson concludes with instructions for homework and a reminder to choose the preferred method for solving equations.

What is the main focus of the lesson on one-step equations?

• Getting used to the process of solving simple equations

• Learning to solve equations in your head

• Memorizing equations

• Understanding complex equations

In a tape diagram, if the whole is 15 and one part is 9, what is the unknown part?

• 24

• 6

• 9

• 15

Which property is used to solve the equation B + 9 = 15 algebraically?

• Associative Property

• Identity Property of Addition

• Distributive Property

• Commutative Property

How do you verify the solution of an equation?

• By asking a friend

• By substituting the solution back into the original equation

• By using a calculator

• By guessing

What is the whole in the equation D - 5 = 7 when using a tape diagram?

• 12

• 5

• 7

• D

What operation is used to isolate D in the equation D - 5 = 7?

• Division

• Subtraction

• Addition

• Multiplication

If E + 12 = 20, what is the value of E?

• 8

• 12

• 20

• 32

In the equation F - 10 = 15, what is the value of F?

• 35

• 25

• 15

• 5

What is the result of G - 8 = 9?

• 8

• 9

• 17

• 18

What should you do if you find a mistake in your solution?

• Ignore it

• Correct it

• Ask someone else to solve it

• Start a new problem