Fractions: Refreshing Concepts with Visual Examples
"Learn about fractions in a fun and visual way with examples like sharing apples among friends and making bouquets from flowers. Explore the parts of a fraction, identify fractions from models, compare fractions, and more in this engaging educational content."
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Presentation Transcript
All About Fractions!
Fractions are a lot like division! Let s refresh! 3 friends share 6 apples equally. How many apples does each friend get?
Fractions are a lot like division! Let s refresh! 3 friends share 6 apples equally. How many apples does each friend get? The friends split the 6 apples into 1/3s!
Lets try another! Melody has 12 flowers. She wants to make bouquets with 3 flowers in each bouquet. How many bouquets can she make?
Lets try another! Melody has 12 flowers. She wants to make bouquets with 3 flowers in each bouquet. How many bouquets can she make? Melody split the flowers into 1/4s!
Parts of a fraction 1 4 Numerator the number of parts we have Denominator the total number of parts in a whole
as a fraction 1 4
Lets identify some fractions from models! Number of yellow circles number of circles Total
Lets identify some fractions from models! Number of yellow circles 8
Lets identify some fractions from models! 3 8
Lets try another! Number of yellow bars number of bars Total
Lets compare fractions by size! Which fraction looks bigger? 8 3 1 2 or
Lets try using a model Fractions represent a part of a whole (1) 3/8 1/2
Lets try using a model might have bigger digits, but takes up a greater amount of the whole. In other words, it s closer to 1!
Common denominators Another way to compare the size of two fractions is finding common denominators! 3 8 1 2 Let s take and again
Common denominators 4 8 3 8 1 2 is also equal to 4/8 When both fractions have a denominator of 8, we can see that 4/8 is closer to 1 than 3/8
Common denominators Let s try one more to make sure we understand 3 4 3 1 To find a common denominator for and we have to use their least common least common multiple multiple, or the smallest number that both 4 and 3 multiply into
Common denominators Let s try one more to make sure we understand 3 4 3 1 What is the smallest number that both 4 and 3 multiply into?
Common denominators Let s try one more to make sure we understand 3 4 x 3 12 9 1 3 4 12 x 3 x 4 x 4
Common denominators Now, which fraction is larger? 9 12 4 12
Adding Fractions 3 8 Common denominators are also necessary for adding fractions! 1 4 +
Adding Fractions 3 8 Common denominators are also necessary for adding fractions! 1 4 / 8 2 +/
Adding Fractions 3 8 Common denominators are also necessary for adding fractions! 2 8 =5 Add the numerators while keeping the denominator the same 8 +
Your Turn! Play the Scratch Game and take Ripley to Pluto! https://scratch.mit.edu/projects/968536904
