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Observations and Algebraic Thinking

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First grade

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3 lessons

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Represent and solve problems involving addition and subtraction.

Understand and apply properties of operations and the relationship between addition and subtraction.

Add and subtract within 20. work with addition and subtraction equations.

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Based on the CCSS, what are the learning objectives for this unit?

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Based on the CCSS, what are the learning objectives for this unit?

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Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
apply properties of operations as strategies to add and subtract.
Understand subtractions as an unknown-addend problem.
Relate counting to addition and subtraction.
add and subtract within 20 demonstrating fluency for addition and subtraction within 10.
Understand the meaning of the equal sign and determine if equations involving addition and subtraction are true or false.
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

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Madeline Hunter's Seven Step Lesson Plan (2)

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Madeline Hunter's Seven Step Lesson Plan (4)

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Madeline Hunter's Seven Step Lesson Plan 3

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Assessment strategies to be used within the unit

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Assessment strategies to be used within the unit

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Pre-assessment: Test and classroom discussion to assess students prior knowledge of topic.

Formative assessment: Task cards, peer grading, exit ticket stating what is still unclear to student, understanding scale, explain to a kindergartener, (most journal work).

Summative assessment: End of unit math assessment test. Independant work.