to add fractions they must have the same ______.
What is denominator?
When subtracting fractions with unlike denominators you must first find the..?
Find the LCD/LCM
Choose the correct word to make the statements true.
Factors are _______________.
Multiples are ________________.
limited
infinite (endless)
36 and 72
Ashley and four friends went trick-or-treating. Each of them got 4 /5 of a bag of treats. How many bags of treats did they have in total?
4 bags
1/2 + 5/2
6/2 or 3
4/5 -3/5
1/5
8 x 2/3 =
16/3
OR
5 and 1/3
4/8 and 9/18 are equivalent fractions. True or False-Explain
Ken drinks 2 /7 of a carton of milk each day. How much milk does he drink in 3 days
6/7 of a gallon of milk a day.
When adding fractions with a common denominator, what do you do with the numerators?
Add them together and keep the denominator the same.
When subtracting fractions with a common denominator, what do you do with the numerators?
What is the opposite or the inverse operation of multiplication?
Division
1,2,3.4.6.8.12.16.24.32.48.96
Write this as a problem showing a fraction multiplied by a whole number.
2/9 + 2/9 + 2/9 + 2/9 + 2/9
5 x 2/9
4 1/2 + 6 5/2
13
3/4 - 2/8
4/8 or 1/2
1/2 and 2/4 are what kind of fractions?
Equivalent Fractions
The bottom portion of the fraction that tells how many equal pieces there are total is called the __________.
denominator




Write and solve a problem to represent this model picture. (Hint: You are multiplying a fraction by a whole number.)
5 x 3/4 = 3 3/4
When adding fractions with unlike denominators you find the Least Common Denominator, then make..?
Equivalent fractions
or
Common Denominator
Estimate the sum.
9 4/7 + 10 2/5
10 + 10 = 20
Reduce this fraction to its simplest form.
42/84
1/2
Before we can add or subtract fractions, we must have a common....
denominator
If each dozen cookies needs 3 4 of a bag of flour to make, how many whole bags of flour does grandma needs to buy if she is making 10 dozen cookies?
(You need to think about this one....tricky!)
8 whole bags