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Flexible Methods of computation in multiplication & division involve decomposing and composing numbers in a variety of ways, deepens the understanding of commutative property, associative property &distributive property, and related as inverse operations, invented strategies and ensure comprehension of the strategy by the student, use of standard algorithms, and involve easier to handle parts of numbers or substitute difficult to handle numbers.

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Academic Benefits of focusing a lesson on a big idea:

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Academic Benefits of focusing a lesson on a big idea:

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Facilitate student understanding by concentrating student attention on key concepts and procedures. The linkages and connections between math concepts are made explicit by linking previously learned big ideas to new concepts and problem-solving situations

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1.       Choose math big ideas that are foundational to the lesson and that represent understandings that can be applied across lessons.

2.       Explicitly teach the math big idea and link it to previously learned information.

3.       Explicitly teach the target math skill within the context of the math big idea.

4.       Provide multiple practice opportunities for students using the Big Idea with the new math skill you taught.

5.       Apply the math big idea to the target math skill using a variety of problem-solving situations.

6.       Pair a visual cue with each math big idea

7.       Post the visual cue along with one sentence describing why the big idea is important.

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Benefits: the students learn from one another, discuss, deeper their understanding, identify there is flexibility to solving problems.

Strategies used: whole classroom instruction/discussion students justify how they got their answer and share with their peers (friendly number problems), useful representations of the problems. Shared the student's work on the large whiteboard/ visuals- breaking the problem down into a visual/drawing. The teacher checked/ensured understanding. Used mathematical terms (referred to the terms throughout the lesson). Direct modeling asked the students questions to broaden their thinking in solving the problem.

Effective Engagement strategies: The students were engaged and learned from one another, learned that the problem can be solved inflexible methods- more than one way to solve the problem.

I would implement: The lesson was great. I resonate with the use of manipulatives to solve the problem and collaborate and practice solving problems to ensure their understanding. I would implement/and reference a math wall.