Exploring Properties of Addition with Fractions

What does the commutative property of addition state about the order of addends?

• None of the above

• Changing the order does not change the sum

• Changing the order changes the sum

• Only applicable to subtraction

How does the associative property of addition affect the grouping of addends?

• Grouping does not affect the sum

• Grouping changes the sum

• Only applicable to multiplication

• None of the above

What is the result of adding 1/4 and 3/4?

• 1/2

• 1

• 1/8

• 2

Which property allows us to rearrange the parentheses in an addition expression?

• Associative property

• None of the above

• Commutative property

• Distributive property

In the example with Mr. Lee's vegetable sales, which properties of addition were used to simplify the calculation?

• None of the above

• Commutative and associative properties

• Distributive property

• Identity property

What is the sum of 2/6 and 4/6?

• 1

• 6/12

• 1/2

• None of the above

What does it mean when a fraction has the same numerator and denominator?

• It is undefined

• None of the above

• It equals one whole

• It equals zero

Why is mental math emphasized when adding fractions and mixed numbers?

• None of the above

• It is required by mathematical standards

• It is more accurate than using a calculator

• To simplify calculations and improve efficiency

What upcoming topic was mentioned for the next lesson?

• Multi-step fraction word problems

• Geometry and shapes

• None of the above

• Algebraic expressions

What is the focus of lesson 7.10?

• Basic addition and subtraction

• Fraction word problems with multiple steps

• Advanced calculus concepts

• None of the above