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Addition Two Digits plus One-Digit Level 1 Vol. 1

Number and Operations

Free math lessons First Grade Number and Operations

Addition Two Digits plus One-Digit Level 1 Vol. 1 – Children practice adding a 2-digit number plus a 1-digit number with Reba Rabbit in this free, first grade number and operations lesson. First, kids estimate the sum and then use a number line and virtual manipulatives to develop mental addition strategies and solve addition problems.

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