Common Core State Standard
4.NBT.B.4
Fluently add and subtract multi-digit whole numbers using the standard algorithm.
CCSS: 3.OA.C.7, 4.NBT.B.4, 6.EE.A.1, 7.NS.A.1d
You, the pencil, will need to pass the different quests in this game. When you get through with the math quest, give the geography, typing, and rhythm quests a try. Find the hidden shop if you can for upgrades.