Unit Fractions
What is a unit fraction?
Any fraction with 1 in the numerator! Ex) 1/2, 1/3, 1/4, ...
1/3 X 5
5/3 OR 1 2/3
5/6 X 5/6
25/36
In fourth grade, 2/3 of the students have a sister. Of the students who have a sister, 1/2 also have a brother. Multiply to find what fraction of the students in fourth grade have both a sister and a brother?
2/6 of the students have both a sister and a brother
Change the improper fraction to a mixed number 12/2
6
Write an addition expression equal to 3 x 1/9
1/9 + 1/9 + 1/9
1/2 X 4
4/2 or 2
1/3 X 2/7
2/21
Brendan operates an orange juice stand. On Monday he used 3/4 of a bag of oranges. On Tuesday he used 1/10 as many oranges as on Monday. Multiply to find how many bags of oranges did Brendan use on Tuesday?
3/40 of a bag of oranges
Change the improper fraction to a mixed number 27/3
9
Write an addition expression equal to 4 x 1/6
1/6 + 1/6 + 1/6 + 1/6
2/3 x 4
8/3 OR 2 2/3
4/5 X 7/8
28/40
Ben reads 1/6 hour each day. If he reads the same amount for 7 days, how many hours has Ben read in all?
7/6 hours or 1 and 1/6 hours.
Change the improper fraction to a mixed number 19/4
4 and 3/4
Use a unit fraction and whole number to write a multiplication equation equal to 3/8
3 x 1/8
4/5 X 10
40/5 or 8
7/9 x 5/7
35/63
Mallory uses 1/4 yard of wool for each scarf she knits. She makes 3 scarves for her family members and 5 scarves for her friends. How many yards of wool did Mallory use in all?
8/4 yards of wool OR 2 yards of wool
Change the improper fraction to a mixed number 31/6
5 and 1/6
Use a unit fraction and whole number to write a multiplication equation equal to 5/6
5 x 1/6
12 X 3/4
36/4 or 9
4/8 X 8/9
32/72
Brooke is making cookies. She makes 2 batches of cookies on Saturday and 3 batches on Sunday. She uses 1/2 cup of butter in each batch. How many cups of butter did Brooke use?
5/2 cups of butter OR 2 and 1/2 cups of butter
Change the improper fraction to a mixed number 75/8
9 and 3/8