Matholia educational maths video on addition to 50 with regrouping. Base-10 blocks and a place value chart to give students a visual representation by making groups.
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Topic Description:
Building upon the foundational work done with the previous addition modules, this module provides further experiences with concretely adding tens and ones, then connects that proficiency with the more abstract standard algorithm for addition with and without regrouping. Word problems continue to be modeled using bar diagrams.

Learning Targets:
I can draw or build models of numbers between 20 and 50 as a ten and some ones .
I can solve addition expressions and equations to 50.
I can add two 2-digit numbers number using column addition with or without regrouping.
I can model and solve word problems.

Suggested Classroom Resources
• Multi-link Cubes
• Base-10 blocks
• Ten frames
• Numeral cards
• Simple dice games
• Number lines
• Pan balance
• Number balance
• Place value mats showing tens and ones columns
• Spinners

For more maths videos for kids and loads of interactive content, visit www.matholia.com.

This video lesson is taken from Matholia.com – a world-class online learning resource for K-6 mathematics. Our international curriculum covers a comprehensive range of topics and concepts using the Singapore's teaching approach. Concepts are presented through Concrete, Pictorial, Abstract (CPA) approach. Resources available include dynamic practice, instructional videos, ebooks, interactive tools and progress tracking and recording – all adopting the Singapore pedagogy.

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