About this lesson
About Multi-Digit Arithmetic
Multi-Digit Arithmetic is an interactive Grade 3 mathematics lesson on Scholi. Add and subtract big numbers column by column. Carry, borrow, round, and estimate.
What this lesson covers
- Column Addition
- Borrowing
- Rounding & Estimation
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Common questions
What does Multi-Digit Arithmetic cover in Grade 3?
Multi-Digit Arithmetic covers Column Addition, Borrowing and Rounding & Estimation. It is an interactive Grade 3 mathematics lesson: you explore each idea with a visualizer, check the rules on a cheat sheet, and answer practice questions that are marked as you go.