Dividing Fractions + Word Problems

Front

What is a fraction?

Back

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

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

Front

What is the reciprocal of a fraction?

Back

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

Front

What does it mean to multiply by a fraction?

Back

Multiplying by a fraction means taking a part of a whole, which can reduce the size of the number.

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation and problem-solving.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction.

Front

If a tornado traveled 100 miles in 2 ½ hours, how do you find the speed?

Back

Divide the total distance (100 miles) by the total time (2.5 hours) to find the speed in miles per hour.

Front

If Lana used 1 ½ gallons to paint ¾ of a room, how do you find the total paint needed?

Back

Set up a proportion: if 1 ½ gallons covers ¾ of the room, then how much covers the whole room?

Front

How many servings are there if I made 4 pizzas and think that ½ a pizza will feed one person?

Back

Multiply the number of pizzas (4) by the number of servings per pizza (2) to find the total servings.