K.5 Composing and Decomposing Numbers to 10

Unit Goals

• Students compose and decompose numbers within 10.

Section A Goals

• Compose and decompose numbers up to 9 in more than 1 way.
• Write expressions to represent decompositions.

Section B Goals

• Solve Put Together, Total Unknown, Put Together/Take Apart, Both Addends Unknown, Add To, Result Unknown, and Take From, Result Unknown story problems.

Section C Goals

• For any number from 1 to 9, find the number that makes 10 when added to the given number.

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