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Manipulative Portfolio #4: FRACTIONS ALGORITHMS

Addition

Problem: 3/4 + 3/4

Manipulative: Fraction bars

Show and label: set-up, steps to solution, the final solution, written record, and label the final answer.

Identify an appropriate Big Idea.

Addition

Problem: 1/6 + 3/4

Manipulative: Fraction bars

Show and label: set-up, steps to solution, the final solution, written record, and label the final answer.

Identify an appropriate Big Idea.

Subtraction

Problem: 5/8 - 3/8

Manipulative: Fraction bars

Model: Take- away

Show and label: set-up, steps to solution, the final solution, written record, and label the final answer.

Identify an appropriate Big Idea.

Subtraction

Problem: 5/8 - 1/4

Manipulative: Fraction bars

Model: Take- away

Show and label: set-up, steps to solution, the final solution, written record, and label the final answer.

Identify an appropriate Big Idea.

Problem: 1 - 1/3

Manipulative: Fraction bars

Model: Comparison

Show and label: set-up, steps to solution, the final solution, written record, and label the final answer.

Identify an appropriate Big Idea.

These are short videos on how to do the problems.

References:

https://youtu.be/KIAXowgTuME?si=Vo-TqRm5mz4UQbWy

https://youtu.be/sSAiSqGYsSo

https://youtu.be/BcrMuY0WGZI

https://youtu.be/w8J2rajSaz4?si=o4MFFah-m4p7sAoq

https://youtu.be/m-q30wyUTZA?si=ty2vg5ZEInQgNnJ-

https://youtu.be/9ew2Jq4C3Yc

https://youtu.be/n9sthQvf34A?si=TPj8j3LbZTgmSUyu

https://youtu.be/t3Fg0C56lqE?si=r_-apxrAMkhthlln

https://youtu.be/K47FIfjLSZE?si=nZyFileix03c0UZ0

https://youtu.be/TI0-32qXxuE?si=5hqqLih7PZEjPrvH

https://youtu.be/VAt4T31kZ4Q

https://youtu.be/NFw76hcmo4g?si=aHz2DFCG3qaa_-hO

https://youtu.be/zjN4wrMqHQw?si=9oo33kxs8k_opyPj

https://youtu.be/brBua90z3dU?si=ov8ndXix12w4okTj