operations of fractions prep.

What is a fraction?

• A fraction is a whole number.

• A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

• A fraction is a type of decimal number.

• A fraction is a mathematical operation involving addition.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is a mixed number?

• A whole number only, like 2.

• A proper fraction only, like 1/2.

• A whole number combined with a proper fraction, like 2 1/2.

• A decimal number, like 2.5.

Tags

CCSS.3.NF.A.3C

What is the result of 15 1/2 + 3 2/4?

• 17

• 18

• 19

• 20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is a common denominator?

• A shared multiple of the denominators of two or more fractions.

• A number that is only divisible by one and itself.

• The sum of the numerators of two fractions.

• A fraction that has the same numerator as another fraction.

What is an equivalent fraction?

• Fractions that have the same numerator and denominator.

• Fractions that represent the same value, like 1/2 and 2/4.

• Fractions that are always greater than 1.

• Fractions that cannot be simplified.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the reciprocal of a fraction?

• The reciprocal of a fraction is obtained by flipping the numerator and denominator.

• The reciprocal of a fraction is the same as the original fraction.

• The reciprocal of a fraction is obtained by adding the numerator and denominator.

• The reciprocal of a fraction is obtained by multiplying the numerator and denominator.

What is the result of 6/3 * 6/3?

• 2

• 3

• 4

• 5

Tags

CCSS.5.NF.B.6

What does it mean to multiply fractions?

• To add the numerators and denominators together.

• To multiply the numerators together and the denominators together.

• To divide the numerators by the denominators.

• To subtract the denominators from the numerators.

Tags

CCSS.5.NF.B.6

What is the result of 3/7 - 4/14?

• 0

• 1/14

• 1/7

• 2/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you simplify a fraction?

• By multiplying the numerator and denominator by the same number.

• By dividing the numerator and denominator by their greatest common factor.

• By adding the numerator and denominator together.

• By subtracting the numerator from the denominator.

Tags

CCSS.6.NS.B.4