Comparing Earnings and Fraction Concepts

This video tutorial covers fifth-grade math concepts, focusing on multiplying mixed numbers and converting them to improper fractions using the Dead Man method. It explains cross-cancelling and simplifying fractions, applying the distributive property, and solving word problems. The lesson also includes finding the least common denominator and solving a geodes collection problem. The tutorial emphasizes showing work and understanding each step in the process.

What is the first step the teacher takes to prepare for the lesson?

• Playing a video

• Handing out worksheets

• Writing on the board

• Turning on a lamp for better visibility

What method is used to convert mixed numbers to improper fractions?

• Addition of fractions

• Long division

• Dead man method

• Cross-multiplication

When multiplying fractions, what can be done if the same number appears in both the numerator and denominator?

• Add them together

• Subtract them

• Multiply them

• Cross-cancel them

How do you convert the result of a fraction multiplication back into a mixed number?

• Add the numerator and denominator

• Subtract the denominator from the numerator

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

What property is used to simplify multiplication problems involving fractions?

• Associative property

• Distributive property

• Identity property

• Commutative property

In a word problem, if Jake can carry 6 and 1/4 pounds, and his father can carry 1 and 5/7 times as much, how many pounds can his father carry?

• 10 and 5/7 pounds

• 12 and 3/4 pounds

• 15 and 1/2 pounds

• 18 and 1/3 pounds

How much more per hour did Lisbon earn compared to Yvette if Lisbon earned $68.80 and Yvette earned $66 for the same hours?

• $0.25

• $0.55

• $0.35

• $0.45

What is the least common denominator for the fractions 1/4, 1/8, 1/10, and 1/25?

• 100

• 75

• 50

• 125