2 multiply whole number and fraction (2)

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does it mean to multiply a whole number by a fraction?

Back

Multiplying a whole number by a fraction means you are taking a part of that whole number. For example, 2 x 1/3 means you take 1/3 of 2, which equals 2/3.

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 (top number) of the fraction and keep the denominator (bottom number) the same. For example, 2 x 1/4 = 2/4 = 1/2.

Front

What is the result of 2 x 1/2?

Back

The result is 1. (2 x 1/2 = 2/2 = 1)

Front

If Jay needs 1/3 pound of turkey for each sandwich and makes 10 sandwiches, how do you find the total amount of turkey needed?

Back

Multiply the number of sandwiches (10) by the amount of turkey per sandwich (1/3): 10 x 1/3 = 10/3 = 3 1/3 pounds.

Front

What is 5 x 1/7?

Back

The result is 5/7. (5 x 1/7 = 5/7)

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator and add the numerator. For example, 2 1/3 = (2 x 3 + 1)/3 = 7/3.

Front

What is the total amount of sugar needed if Mrs. Jayde bakes 9 cakes using 2/8 cup of sugar each?

Back

Multiply the number of cakes (9) by the sugar per cake (2/8): 9 x 2/8 = 18/8 = 2 1/4 cups.

Front

If Craig cuts 2/3 lbs of potatoes each night for 5 nights, how do you find the total amount cut?

Back

Multiply the amount cut each night (2/3) by the number of nights (5): 5 x 2/3 = 10/3 = 3 1/3 lbs.

Front

How do you find the total amount of laundry detergent needed for 7 loads if each load uses 1/8 cup?

Back

Multiply the amount of detergent per load (1/8) by the number of loads (7): 7 x 1/8 = 7/8 cup.