1.5 Adding Within 100

Unit Goals

• Students use place value understanding and properties of operations to add within 100.

Section A Goals

• Add within 100 without composing a ten.
• Use equations to represent addition methods.

Section B Goals

• Add a one-digit and a two-digit number within 100 with composing a ten.
• Use equations to represent addition methods.

Section C Goals

• Add 2 two-digit numbers within 100, with composing a ten.
• Use equations to represent addition methods.

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