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Article · 3rd grade, 4th gradeMultiplying 23 × 14 without "carrying the one"
The area model turns a hard multiplication problem into four easy ones. Here is how it works, why teachers love it, and how it connects to the method you lea…
Article · 2nd grade, 3rd gradeWhy does my kid's subtraction look so different?
Borrowing is now called regrouping, and kids learn it with blocks and number lines before the shortcut. Here is what they are doing and how to help.