Model Fractions
Answers will vary
What are equivalent fractions?
Fractions that are equal
What is the GCF:
12 and 18
6
Use <,>, =
3/5 ___ 2/5
>
Joe needs less than 3/4 of a cup of water to make rice for dinner. What is one fraction he may use? PROVE IT!
Answers will vary
Answers will vary
2/5 = 8/?
? = 20
What is the GCF for:
25 and 40
5
Use <, >, =
6/11 ____ 1/11
>
Melinda walks 2/7 of a mile to school. Her brother says he walks 6/21 mile to school. Is he correct? Prove it!
2/7 x 3/3 = 6/21
Model 2/5 on a number line...
Answers will vary
3/7 = ?/28
? = 12
Using the GCF: REDUCE this fraction
24/32
3/4
Using BENCHMARK FRACTIONS:
Is 2/3 closer to one or zero?
2/3 is closer to one
Slinky had a distance of 1/6, while Pod had a distance of 3/10. Who went further?
Use LCM to prove it.
1/6 x 5/5 = 5/30
3/10 x 3/3 = 9/30
9/30 > 5/30
Pod went further
Model two equivalent fractions:
answers will vary
What is the number one in disguise being used to create these equivalent fractions?
2/7 = 20/70
10/10
Using the GCF: Reduce this fraction
36/42
6/7
Using Benchmark Fractions:
Is 3/10 closer to one or zero?
zero
Order from Least to Greatest:
4/5, 1/4, 8/10 and 1/2
4/5 = 16/20
1/4 = 5/20
8/10 = 16/20
1/2 = 10/20
1/4 , 1/2, 4/5, 8/10
Model 1/2 = 5/10 on a number line
answers will vary
What number one in disguise is being used to create these equivalent fractions?
6/7 = 24/28
4/4
Larry at 1/2 of a large pizza and Joe ate one half of a small pizza. Who are more? Explain...
The two pizzas are different sizes, so it is impossible to compare the fractions to see who are more.
Use <, >, =
6/7 ___7/8
6/7 = 48/56
7/8 = 49/56
6/7 < 7/8
What is the LCM for these numbers:
3, 4, 5, 12
LCM = 60