Adding and Subtraction Fractions
When adding fractions, they must have the same ______.
denominator
What does it mean when two fractions are equivalent?
They have equal value, or fall on the same place on a number line
2/4 x 3
1 2/4
The top part of a fraction that tells how many pieces you are talking about is
What is the numerator
Which are bigger, halves or eighths?
eighths because 1/8 of a whole is going to be much smaller than 1/2 of the same whole
4/8 + 2/8
What is 6/8
1/4 and 1/2. Are these equivalent fractions? how do you know?
No they are not equivalent.
Ms. Stanbury made 3 pies. From each pie, she take a slice that is 1/8 of a pie so that she could do a porch drop off. How much pie is being dropped off?
What is 3/8?
The bottom portion of the fraction that tells how many equal pieces there are total is called
What is the denominator
9/12-6/12
What is 3/12
7/12 + 4/12= ?
What is 11/12
1/4= x/12 what is x?
What is 3
2/5 x 6
2 2/5
A number with a whole number and a fraction
What is a mixed fraction?
5 x 2/3
3 1/3
2/10 +3/10=
a) 5/20
b) 1/2
c) 6/10
3/4 and 2/3. Are these equivalent fractions, how do you know?
No they are not equivalent fractions. b
1/2 and 2/4 are what kind of fractions?
What is equivalent fractions?
2/2, 6/6, 15/15, and 20/20 are all examples of _____.
1 whole
14 2/5 - 9 1/5
What is 5 1/5
3 1/3 - 1 2/3
What is 1 2/3
Compare using >, <, =:
4/5 ____ 7/8
4/5 < 7/8
2 x 3/4
1 1/2
Compare using >, <, =:
3/4 ___ 3/8
3/4 > 3/8
1 2/4 + 2 3/4
What is 4 1/4
Compare using >, <, =:
4/6 _____ 3/4
4/6 < 3/4
2 x 4/5
1 3/5
What strategies do you use to compare fractions?
Benchmarks 0, 1/2, 1
Drawing Models
Butterfly
3/4 x 4
3
The Carson family went fishing. They caught a 2 5/8 pound trout and a 1 4/8 pound bass. How many more pounds was the trout than the bass?
what is 1 1/8
2/5=x/10
What is 4
2 1/2 x 3
7 1/2
What is decomposing fractions?
Take a fraction and breaking it apart into smaller fractions:
ex- 4/5= 1/5 + 1/5 + 1/5 + 1/5
2/3 and 4/6. Are these equivalent fractions and how do you know?
Yes they are equivalent because the shaded area of each fraction is the same.