Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

Addition and subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

Learn how you can use the same numbers to create different maths facts. What are number bonds? Learn about the number bonds to 10 and 20. Add by making 10 Learn about bridging through ten, which can ...

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Learn about efficient addition and subtraction methods. Add numbers with up to 4 digits together Learn how to add numbers with up to 4 digits together. Subtract up to 4-digit numbers Learn how to ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...