IXL | Add two-digit numbers with regrouping - sums to 100 | 1st grade math

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Now entering the Challenge Zone—are you ready?

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IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

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Not feeling ready yet? These can help:

DD.10Add a two-digit and a one-digit number - with regrouping

DD.15Use place value to add two-digit numbers - with regrouping

DD.14Use models to add two-digit numbers - with regrouping

DD.13Add two-digit numbers without regrouping - sums to 100