Add/Subtract fractions
What is 3/8 + 4/8
7/8
What operations can be used to find equivalent fractions?
Multiplication or division
2/3 ___ 1/4
2/3 > 1/4
Write a fraction that is equivalent to 0.06
6/100
What is a fraction?
A fraction is part of a whole
What is 6/10 - 2/10
4/10
What is a fraction that is equivalent to 1/2
Teacher will check your answer
Miss LaMotte ate 3/7 of a jar of candy. Mrs. Eells ate 2/5 of a jar of candy. Who ate more of the candy?
Mrs. Eells
Write a decimal that is equivalent to 9/10
0.9
How many hundredths are equivalent to 7/10. How do you know?
70/100.. you need to multiply 7/10 by 10.
What is 3 3/11 + 4 7/11
7 10/11
Is 2/5 = 4/10 how do you know?
Yes. You multiply both parts of the fraction by 2
5/8 ___ 5/10
5/8 > 5/10
*What do you notice about the fractions?
Compare the decimals 0.4 ____ 0.09
0.04 > 0.09
What is 3/10 + 45/100
75/100
What is 4 2/6 - 2 5/6
1 3/6
2/7 = 14/?
14/49
Use the benchmark fraction 1/2 to compare 6/8 and 4/10
6/8 > 1/2
4/10 < 1/4
So... 6/8 > 4/10
True or false....
0.07 > 7/10
False
Can you compare models that are different sizes?
No you cannot compare models that are different sizes. They need to be the same size whole.
What is 5 1/4 - 2 3/4
2 2/4
12/? = 2/3
12/18 = 2/3
Put these fractions in order from least to greatest.
1/2
2/6
7/8
2/6
1/2
7/8
Compare
0.78 ___ 0.8
0.78 < 0.8
Add
34/100 + 5/10
84/100