Grades 1–4 · Doubles & halves
Double Trouble
Race through Twin Town with doubles, halves, near doubles and double-and-halve tricks for faster mental math.
Common Core 4.NBT.B.5 (4.NBT.5) Games
2 multiplayer classroom games aligned to Common Core standard 4.NBT.B.5 (often written 4.NBT.5). Pick one to practice this standard with your whole class on a smartboard or Chromebooks, with no student logins. Every game has a free demo.
Grades 3–8 · Mental Math
Math Magic
Place square tiles so touching triangles match colors, then score the math on every matching side: add, subtract, multiply or divide.
The All-Access Teacher License includes every game, every grade and all future games.