Butterfly Method For Multiplying Fractions
There is a quiz homework sheet included.
Butterfly method for multiplying fractions. Write the fractions as if they are equal with a question mark over the equal sign. It reinforces the belief that fractions is just a bunch of tricks. Best part it s free. When comparing fractions to determine their relationship to each other butterfly finds the numerators of the fractions with the same denominator created from finding the product of the two original denominators.
For example when comparing 2 3 to 3 4 using butterfly yields 8 and 9 making 2 3 3 4. There are several reasons e g. This powerpoint can be used to teach multiplying fractions. Solve real world problems involving multiplication of fractions and mixed numbers e g by using visual fraction models or equations to represent the problem.
To use the butterfly method. Multiply the numbers in each of the butterfly wings. Adding three fractions using the butterfly method. It is just a different name for the same process.
The butterfly method is the same as the cross multiply and smile method. There is a quiz homework sheet included. Multiplying fractions using butterfly method. Students can use this method to compare fractions add fractions and subtract fractions.
Write the fractions side by side as usual and draw two wings along the diagonals made by the numerator of one fraction and the denominator of the other fraction and draw an antenna on each wing. To add or subtract fractions the butterfly way 1. Best part it s free. As suggested by the wings that look like a multiplication sign multiply the numbers in each.
It also reviews changing improper fractions to mixed numbers. Now draw butterfly wings around the opposite numerators and denominators. Speaking of different names for the same process one teacher i knew called this process shooting the ducks. It also reviews changing improper fractions to mixed numbers.
Multiplying fractions using butterfly method. The butterfly method is a way to cross multiply two fractions to determine whether they are equal. In our opinion tricks like the butterfly method should be avoided when students are first introduced to fractions. This powerpoint can be used to teach multiplying fractions.