7.NS.A.3 Grade 7 · The Number SystemSolve real-world and mathematical problems involving the four operations with integers and other rational numbers.24Common Core State Standards for Mathematics, as adopted in the Massachusetts Curriculum Framework for Mathematics (2017), Grade 7.
Play the game: Below Zerofree, no sign-up →The number line keeps going: below zero, between the whole numbers, and far past 100. Every position is a place you can land on and see.
Every page is free and open — nothing to install, no account, and it works on a phone or a classroom board. Every number has its own color: 1 red, 2 orange, 3 yellow, 4 green, 5 blue, 6 purple, 7 brown, 8 pink, 9 cyan, and a number is that many colored dots.
7.NS.A.1Add integers with zero pairs: a dot and a ring make zero, then undo it7.NS.A.2Long division turns a fraction into a decimal that ends or repeatsColorMyMath · getridoftheteacher.com · every number has its own color, and a number is that many colored dots. Matching a game to a standard is a judgement call; the official text is at doe.mass.edu.