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Lesson Introduction and Objectives: I made the lesson goals clearer and tied them to S.M.A.R.T. outcomes.

Assessment: I added a note about using observations and whiteboard recordings to assess students based on the feedback criteria.

Engagement: I gave some general tips to boost student engagement during the hands-on activities and plenary, like encouraging them to ask questions during hands-on work.

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MIDDLE-LEVEL:students used fish manipulatives to feed the shark and count how many are left, which can increase engagement. This level allows students to deepen their understanding by moving from more basic to slightly abstract representations of subtraction.

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MIDDLE-LEVEL:students used fish manipulatives to feed the shark and count how many are left, which can increase engagement. This level allows students to deepen their understanding by moving from more basic to slightly abstract representations of subtraction.

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LOW-LEVEL: Students used clips to physically represent and solve subtraction problems.

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LOW-LEVEL: Students used clips to physically represent and solve subtraction problems.

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Students show their whiteboards with the problems they finished.

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Students show their whiteboards with the problems they finished.

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Students show their whiteboards with the problems they finished.

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Students show their whiteboards with the problems they finished.

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Higher-level students worked on subtraction mentally, solving the problems shown on the cards and recording answers on whiteboards.

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Higher-level students worked on subtraction mentally, solving the problems shown on the cards and recording answers on whiteboards.

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Higher-level Students were solving some extra challenging worksheets for a better understanding 

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Higher-level Students were solving some extra challenging worksheets for a better understanding 

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Reviewed some subtraction problems with an engaging online game

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Reviewed some subtraction problems with an engaging online game