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