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Number Builders

A 3-digit mixed addition and subtraction lesson within 1,000, progressing from single-place regrouping and borrowing to multi-place regrouping, borrowing across zeros, and mixed word problems. Includes a 4-page student practice packet and a complete teacher answer key.

EBEmily Brown

Number Builders

A 3-digit mixed addition and subtraction lesson within 1,000, progressing from single-place regrouping and borrowing to multi-place regrouping, borrowing across zeros, and mixed word problems. Includes a 4-page student practice packet and a complete teacher answer key.

EBEmily Brown

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