Adding Two-Digit Numbers Using Base-Ten Blocks, Pictures, and Words

Learning target: Can I add two-digit numbers and show my thinking using blocks, pictures, and words? Success criteria: - Break apart two-digit numbers to add. - Know place-value strategies. - Know when to regroup and explain when. - Know how to regroup and explain how. In this video, we review some key vocabulary to use when adding two-digit numbers. We will learn how to use base-ten blocks and expanded form to solve an addition problem. Vocabulary: digit, value, equal, equation, addend, sum