Unit Fractions
The numerator of all unit fractions is what number?
1
When adding and subtracting fractions, what part of the fraction does not change?
The denominator
What are the 3 parts to a mixed number?
Whole number, numerator, and denominator
A fraction greater than 1 means the numerator is _________ (greater than, less than, or equal to) the denominator.
Greater than
Mr. Erickson walks 6/8 of a mile to school That's 3/8 miles more than Mr. Sprague. How many miles does Mr. Sprague walk?
3/8 miles
What is the unit fraction of 3/4
1/4
9/13 + 2/13 =
11/13
Draw a model to represent 2 and 3/4
You should have 2 full pizzas and a pizza cut into 4 slides with 3 shaded in.
True or false: You can have a fraction greater than 1 in a mixed number.
FALSE! You can NOT have a fraction greater than 1 in a mixed number.
If Ms. Hall orders medium pizzas that have 8 slices per pizza. How many pizzas would she need to buy for 47 students? Any left over slices?
6 pizzas. One slice will be left over.
What is the multiplication that matches?
1/8 + 1/8 + 1/8 +1/8 + 1/8 = 5/8
5 x 1/8
20/21 - 14/21 =
6/21
4 and 1/6 + 2 and 3/6
6 and 4/6
Draw a model to represent 11/6.
Should have drawn 2 pizzas split into 6 pieces. You should have colored in 11 slices.
Ms. Bogue orders 8 pizzas for a party. The party eats 4 and 3/5 of the pizzas. How much pizza is left?
8 - 4 and 3/5 = 3 and 2/5 pizzas.
Show the fraction six-sevenths using the sum and product of unit fractions.
1/7 + 1/7 + 1/7 +1/7 +1/7 +1/7
1/7 x 6
____ - 8/15 = 11/15
19/15
8 and 1/7 - 3 and 4/7
4 and 4/7
Convert 18/5 into a mixed number.
3 and 3/5
Mrs. Wilhelm made a banner for a Taylor Swift concert that was 2 feet long and 11/12 feet wide. What is the area of the poster?
2 x 11/12 = 22/12 = 1 and 10/12 square feet
Draw a model using unit fractions to represent 4/6
You should have drawn 4 pizzas. Each with 6 slices with 1 slice shaded in.
13/10 + 4/10 =
Bonus points if you convert to a mixed number!
17/10 or 1 and 7/10
5 and 3/9 + 8 and 8/9 =
*You cannot have a fraction greater than 1 in your mixed number*
14 and 2/9
Explain how to convert a fraction greater than 1 to a mixed number.
Answers may vary...count by the denominator to see how many whole groups we can make without going over the numerator and then see how many pieces you need to add to get to the number in the numerator.
Mr. Sprague's dog weighed 7/8 pounds when he first got him. Now he weighs 60 times as much. How much does the dog weigh now?
60 x 7/8 = 420/8 = 52 and 4/8 pounds