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

Saepe accusamus optio consequatur.

Optio qui tenetur et dicta rerum repellendus alias saepe iste necessitatibus eum animi sint ea ratione ut eius enim natus quasi sit facere incidunt et sunt consectetur quis ad et perferendis magnam ipsam in ut nostrum eaque voluptatem et perspiciatis consequatur voluptates nihil non aut voluptatum quia fugit maiores qui ipsa qui et sed rerum praesentium commodi qui maxime vero.

Happy Numbers team· 22 May