If you have 4 pounds of flour and each student gets $$\frac{1}{4}$$ pounds, how many students can you serve?

You can serve 16 students because $$4 ÷ \frac{1}{4} = 4 × 4 = 16$$ .

If Jemma has 5 cups of batter and uses $$\frac{1}{3}$$ cup for each pancake, how many pancakes can she make?

Jemma can make 15 pancakes because $$5 ÷ \frac{1}{3} = 5 × 3 = 15$$ .

How many muffins can Jason make with 2 cups of batter if each muffin requires $$\frac{1}{4}$$ cup?

Jason can make 8 muffins because $$2 ÷ \frac{1}{4} = 2 × 4 = 8$$ .

What is the result of $$6 ÷ \frac{1}{5}$$ ?

The result is 30 because $$6 × 5 = 30$$ .

What is the relationship between division and multiplication when dividing by a fraction?

Dividing by a fraction is the same as multiplying by its reciprocal. For example, $$a ÷ \frac{b}{c} = a × \frac{c}{b}$$ .

If you have 10 apples and each person gets $$\frac{1}{2}$$ an apple, how many people can you serve?

You can serve 20 people because $$10 ÷ \frac{1}{2} = 10 × 2 = 20$$ .

What is the formula to find how many times a unit fraction fits into a whole number?

The formula is: Whole Number ÷ Unit Fraction = Whole Number × Denominator of Unit Fraction.

If a recipe calls for $$\frac{1}{3}$$ cup of sugar per serving and you want to make 9 servings, how much sugar do you need?

You need 27 cups of sugar because $$9 ÷ \frac{1}{3} = 9 × 3 = 27$$ .

What does it mean to divide a number by a fraction?

It means to find out how many times the fraction fits into the number.

If you have 12 cookies and each cookie is $$\frac{1}{6}$$ of a dozen, how many cookies do you have?

You have 72 cookies because $$12 ÷ \frac{1}{6} = 12 × 6 = 72$$ .

What is the result of $$8 ÷ \frac{1}{2}$$ ?

The result is 16 because $$8 × 2 = 16$$ .

How can you visualize dividing by a unit fraction?

You can visualize it by using a number line or by grouping items into sets that represent the unit fraction.

Dividing Whole number by unit fraction. Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a unit fraction?

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2.

FLASHCARD QUESTION

Front

How do you divide a whole number by a unit fraction?

Back

3.

FLASHCARD QUESTION

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Back

4.

FLASHCARD QUESTION

Front

Back

It represents how many quarters are in 3 whole units, which equals 12.

5.

FLASHCARD QUESTION

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Back

6.

FLASHCARD QUESTION

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7.

FLASHCARD QUESTION

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