Vocabulary
The top number in a fraction that represents the part
Numerator
1/4 divided by 5
1/20
Write two fractions that are reciprocals.
Ex: 2 & 1/2
Mrs. Lehr and 5 students created a 25 foot mural for Easter. Each of them painted the same amount of space. How much of the poster did each of them paint?
4 1/6 feet each
The bottom number in a fraction that represents the whole
Denominator
3 divided by 1/9
27
1/8 of a mile each
A person needs 3 equal strips of paper for an art project. They have a paper that is 4/5 foot long. How would each strip be if they used this paper?
4/15 foot each
Simplify
4 divided by 4/5
5
Suzie Q. is making Easter treat baggies for her classmates and putting 2/3 cups of M&Ms into each. Suzie Q. has 14 cups of M&Ms. How many treat bags can she make?
21 Easter treat bags
Billy Bob has 2/5 of a pound of lemonade. He pours it into four containers. How much lemonade is in each container?
1/10 of a pound
The answer to a division problem
Quotient
5/6 divided by 2
5/12
Mrs. O'Brien's carpet is 20 square feet. She is painting pink and blue rectangles on her carpet that are 1/4 square foot each. How many pink and blue rectangles will Mrs. O'Brien need to paint on her carpet?
80 pink and blue rectangles
Mrs. Daoud said that 12 divided by 5 equals 2 3/5. Is she correct? Why or why not?
No. 5 goes into 12 twice with 2 leftover so it equals 2 2/5, not 2 3/5.
Two numbers with a product of 1
Reciprocals
5 divided by 3/4
6 2/3
What generalization can you make about the equations?
4 divided by 1/3
4 x 3/1
They both equal 12 because dividing by a fraction is the same as multiplying by its reciprocal.
Suzie Q. plants peas in 3/8 of her garden and herbs in 1/8 of it. She divides the rest of the garden into 6 sections. What fraction of the original garden is each section?
1/12 of the original garden