Equivalent Fractions
Which fraction below is equivalent to 9/15?
a. 3/5
b. 15/9
c. none of the above
d. 1/2
a. 3/5
How do you find an equivalent fraction using multiplication? Explain your reasoning.
You find an equivalent fraction using multiplication y choosing ANY number to multiply the numerator and denominator by. It has to be the same number.
What are the first 12 multiples for 2?
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
What is a mutiple?
Number you get with repeated addition or when you multiply or skip count.
What are the factors of 20? Is this number prime or composite?
1, 20, 5, 4, 2, 10
Composite number.
What is an equivalent fraction for 4/16? Use division/simplifying strategies.
2/4 or 1/2
Find an equivalent fraction for 4/5 using multiplication.
N/A
What are the first 12 multiples for 3?
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36
What is a product?
Answer to a multiplication problem.
What are the factors for 13? Is this number prime or composite?
1 and 13. This is a prime number.
There is none. 13 is a prime number.
800/1,000
8,000/10,000
80,000/100,000
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
What is a factor?
Two numbers you multiply to get a product?
What are the factors for 49? Is this a prime or composite number?
1, 49, 7, 7
This is a composite number.
6/20 or 3/10
Find an equivalent fraction for 9/13 using multiplication.
N/A
What are the first 5 multiples of 8?
8, 16, 24, 32, 40
What does equivalent mean?
For two numbers or answer to be equal value.
Skip count, T- Chart, or Rainbow
1/3
What are the major differences between finding an equivalent fraction using multiplication and finding an equivalent fraction using division? What is a similarity?
With multiplication you can multiply the numerator and denominator by ANY number and with division you can only divide by common factors. The similarity is that you have to multiply and divide by the same number both top and bottom.
What are some strategies you can use for multiplying?
- equal groups
- arrays
- skip count
- repeated addition
What does simplifying mean?
To divide in order to make a fraction smaller or find an equivalent fraction.
What are the factors to 72?
1, 72, 8, 9, 2, 36, 3, 24, 4, 18, 6, 12