Multiplication and Fractions Concepts

The video tutorial covers how to multiply fractions, including mixed numbers, and verify results using a graphing calculator. It explains the rule for multiplying fractions, relates it to repeated addition, and provides examples with simplification techniques. The tutorial concludes with a demonstration of using a graphing calculator to verify results.

What is the product of two fractions a/b and c/d?

• a / c * b / d

• a - c / b - d

• a * c / b * d

• a + c / b + d

Tags

CCSS.5.NF.B.4A

Why is multiplication of fractions similar to repeated addition?

• Because it involves adding the same number multiple times.

• Because it involves multiplying the same number multiple times.

• Because it involves subtracting the same number multiple times.

• Because it involves dividing the same number multiple times.

Tags

CCSS.5.NF.B.6

What is the result of multiplying 2/5 by 3/11?

• 5/33

• 5/55

• 6/33

• 6/55

Tags

CCSS.5.NF.B.6

How can you simplify a fraction before multiplying?

• By adding the numerators and denominators.

• By finding the prime factors and canceling common factors.

• By subtracting the numerators and denominators.

• By dividing the numerators and denominators.

Tags

CCSS.5.NF.B.4A

What is the simplified form of 5 times 4/5?

• 1

• 20

• 4

• 5

How do you convert a mixed number to an improper fraction?

• Multiply the whole number by the denominator and add the numerator.

• Add the whole number to the numerator.

• Divide the whole number by the denominator.

• Subtract the whole number from the numerator.

Tags

CCSS.5.NF.B.6

What is the product of 3 and 1/9 times 2 and 1/7 in simplest form?

• 5 and 1/3

• 6 and 2/3

• 6 and 1/3

• 7 and 1/3

Tags

CCSS.5.NF.B.5B

How can you verify the result of a fraction multiplication on a graphing calculator?

• By entering the fractions and converting the result to a percentage.

• By entering the fractions and converting the result to a whole number.

• By entering the fractions and converting the result to a mixed number.

• By entering the fractions and converting the decimal result back to a fraction.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the decimal equivalent of 7/12?

• 0.59

• 0.5833

• 0.583

• 0.58

What is the fraction form of the decimal 0.5833?

• 3/5

• 2/3

• 5/9

• 7/12