Cyber Classroom AI

Learning time00:00:00← Grade 4

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Lesson 4-4

Add and Subtract Multi-Digit Numbers Fluently

Regrouping trades a bigger unit

Lesson knowledge48

Lesson agent

0/ 50 min learning

Grounded in 4-4

Learning goal

Add and subtract multi-digit numbers with regrouping and say what each trade swapped for what.

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Lesson context

Learning goal

Add and subtract multi-digit numbers with regrouping and say what each trade swapped for what.

Lesson knowledge

Grounded in 48 lesson sources

Difficulty

Space modeling

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