Students will build and deconstruct numbers to 10 using manipulatives, explaining their reasoning.

Use 5 frames and 10 frames in math journals to record their reasoning, e.g., show a 5 frame with 4 dots and have the sentence frame: I know this is __ because __. with space for them to draw or write their explanation.

Use rekenreks to have students show how to build numbers to 10.

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