These number sequences are missing quite a few digits; can your scholars determine some of them? Because learners aren't filling in every blank, they must utilize mental math to determine only the few numbers indicated. They count forward by 1s, pausing at each arrow to write in the value. There are both double-digit and single-digit numbers here, and a hundreds chart may be helpful for struggling learners. There is an example at the top.

Common Core

1.NBT.A.1