Understanding Additive Relationships

Addition & Subtraction

Year 3

Set status

Curriculum

3AS–3: Manipulate the additive relationship: Understand the inverse relationship between addition and subtraction, and how both relate to the part–part–whole structure.
Encourages logical thinking and the use of strategies for efficient problem solving.

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Resources

Hugo Cheyneover 1 year ago

https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-add-sub-miss-value-prob/v/missing-numbers-in-addition-and-subtraction-within-100

Lesson video and practice on adding and subtracting with missing numbers. This really helps to get a feeling for the relationship between adding and subtracting.

Required Topics

Columnar Addition and Subtraction

Next Topics

Additive and Multiplicative Relationships

Understanding Additive Relationships

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