The Happy Numbers team consists of experienced teachers, mathematicians, methodologists, designers, developers, writers, illustrators, and customer service professionals.

Author articles

2-Digit Addition and Subtraction (with Purpose and Meaning)

According to the Grade 1 Common Core State Standards, math instruction should focus on four critical areas, one of which is developing understanding of whole number relationships and place value, including grouping in tens and ones.

Happy Numbers team· 01 Nov

Grade 5 Overview: Fractions, Rounding and Data Analysis

Happy Numbers includes many exercises with interconnection of different skills so that students learn to fluently operate their knowledge.

Happy Numbers team· 16 Nov

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Happy Numbers team· 26 May

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Happy Numbers team· 26 May

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Happy Numbers team· 26 May