Write one-third on each of the one-third strips. Cut the green into one-third strips. What do you notice about this fraction strip when compared to the one-third strips? The number of parts doubled, just like when we folded the paper for the fourths and the eighths. What fractional pieces has the orange strip been divided into? Sixths Write one-sixth on each of the one-sixth strips. Cut the orange one-sixth strips. How many sixth strips does it take to create one whole unit? Six How many sixth strips does it take to create a one-third strip? Two What fractional pieces has the purple strip been divided into? Nine Write one-ninth on each of the one-ninth strips. Cut the purple one-ninth strips. How many ninth strips does it take to create one whole unit? Nine How many ninth strips does it take to create a one-third strip? Three What do you notice about this fraction strip when compared to the one-sixth strips? The number of parts doubled, just like when we folded the paper for the fourths and eights and for the thirds and sixths. What fractional pieces has the pink strip been divided into? Twelve Write one-twelfth on each of the one-twelfth strips. Cut the pink one-twelfth strips. How many twelfth strips does it take to create one whole unit? Twelve How many twelfth strips does it take to create a one-third strip? Four How many twelfth strips does it take to create one-sixth unit? Two Next to make legal trades. we’re going A legal trade is made when a strip or strips is traded for another strip or strips that has the same length. For example, we can trade one whole unit strip with three one-third strips because they are the same length. You give your partner a one-third strip. What can your partner trade that is equal to this? A legal trade is two one-sixth strips. That is a legal trade because a one-third strip is equal to two one-sixth strips. this legal trade. I gave six-ninths to my partner. What will my partner give back Let’s practice to me? Two-thirds This is a legal trade because six-ninths is equal to one-third plus one-third.
Write one-third on each of the one-third strips. Cut the green into one-third strips. What do you notice about this fraction strip when compared to the one-third strips? The number of parts doubled, just like when we folded the paper for the fourths and the eighths. What fractional pieces has the orange strip been divided into? Sixths Write one-sixth on each of the one-sixth strips. Cut the orange one-sixth strips. How many sixth strips does it take to create one whole unit? Six How many sixth strips does it take to create a one-third strip? Two What fractional pieces has the purple strip been divided into? Nine Write one-ninth on each of the one-ninth strips. Cut the purple one-ninth strips. How many ninth strips does it take to create one whole unit? Nine How many ninth strips does it take to create a one-third strip? Three What do you notice about this fraction strip when compared to the one-sixth strips? The number of parts doubled, just like when we folded the paper for the fourths and eights and for the thirds and sixths. What fractional pieces has the pink strip been divided into? Twelve Write one-twelfth on each of the one-twelfth strips. Cut the pink one-twelfth strips. How many twelfth strips does it take to create one whole unit? Twelve How many twelfth strips does it take to create a one-third strip? Four How many twelfth strips does it take to create one-sixth unit? Two Next we’re going to make legal trades. A legal trade is made when a strip or strips is traded for another strip or strips that has the same length. For example, we can trade one whole unit strip with three one-third strips because they are the same length. You give your partner a one-third strip. What can your partner trade that is equal to this? A legal trade is two one-sixth strips. That is a legal trade because a one-third strip is equal to two one-sixth strips. Let’s practice this legal trade. I gave six-ninths to my partner. What will my partner give back to me? Two-thirds This is a legal trade because six-ninths is equal to one-third plus one-third.
Grade%206%20-%20Lesson%209%20-%20Concept%20of%20Fractions%20-%20English%20Transcript.docx