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# Notes

### Equivalent Fractions

What are the 4 basic operations in arithmetic? addition, subtraction, multiplication, division
Arithmetic has how many basic operations? 4
2 x 3 = 6 What do we call the numbers "2" and "3"? Factors
2 x 3 = 6 What is the number 6 called? a multiple
Multiplying two factors gives you a multiple. True or False True
4 x __ = 12 In this problem one of the factors is missing. What can you do to find the missing factor? You divide the multiple by the given factor. In this case we divide the multiple 12 by the factor 4.
___ x 4 = 20 How do you go about finding a missing factor in a problem? You need to have at least on factor and the multiple. Then divide the multiple by the factor.
___ x 4 = 20 What is missing – a factor or the multiple? a Factor
___ x 4 = 20 How do we find the missing factor? We divide the multiple by the one factor.
Remember, when you multiply two factors the multiple is always a (larger or smaller) number. larger Ex. 5 x 4 = 20
6 x 4 = 24 The multiple is always larger than either __________. factor
1/2 x 2/2 = 2/4 2/4 x 2/2 = 4/8 4/8 x 2/2 = 8/16 Is 1/2, 2/4, 4/8, and 8/16 equivalent fractions? Why? Yes
The word equivalent means that the fractions are ________ to each other. equal In other words, they have the same value.
Could you say that equivalent fractions have the same value. Yes
If you gave one person a 1/2 of pizza and another person 2/4 of a pizza would both have the same amount of pizza. Yes
Remember, If you multiply the numerator and denominator by the same number, you get an equivalent fraction. True or False True
1/2 = 8/16 These two fractions are equivalent. Which fraction has the smaller numerator and denominator? 1/2
1/2 = 8/16 Remember, when comparing equivalent fractions one fraction has a smaller numerator and denominator than the other fraction. It is this smaller fraction that is multiplied in order to get the larger factions. True of False True
Remember we multiply the smaller equivalent fraction to get the larger equivalent fractions. We multiplied 1/2 by 2/2 to get 2/4. True or False True
Created by: John One