Multiplying Whole Number by Fraction

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

How do you multiply a whole number by a fraction?

Back

To multiply a whole number by a fraction, multiply the whole number by the numerator of the fraction and keep the denominator the same. Then simplify if necessary.

Front

What is 3 x 1/5?

Back

3 x 1/5 = 3/5.

Front

If a recipe calls for 1/5 pound of an ingredient for each item, how do you find the total for multiple items?

Back

Multiply the amount per item (1/5) by the number of items.

Front

How much beef does Mrs. Moscarello need for 24 tacos if each taco requires 1/5 pound?

Back

Mrs. Moscarello needs 4 4/5 pounds of beef.

Front

What is the total distance if one lap is 1/6 mile and you run 8 laps?

Back

8 laps x 1/6 mile/lap = 8/6 miles = 1 and 2/6 miles.

Front

What does it mean to triple a recipe?

Back

To triple a recipe means to multiply all the ingredients by 3.

Front

If a recipe requires 2/3 cup of milk, how much is needed for tripling the recipe?

Back

2/3 cup x 3 = 2 cups of milk.

Front

How do you calculate the total amount of food needed for multiple days?

Back

Multiply the daily amount by the number of days.

Front

If Jamie feeds 2/3 cup of dog food to each of his 2 dogs for 6 days, how much food does he need?

Back

2 dogs x 2/3 cup/dog x 6 days = 8 cups of dog food.