Common Core maths standard · Grade 2
2.NBT.B.8
Mentally add or subtract 10 or 100 to a number from 100 to 900. One game practises it.
No games match that yet. Try a broader word like “number” or clear the search.
Common Core maths standard · Grade 2
Mentally add or subtract 10 or 100 to a number from 100 to 900. One game practises it.
No games match that yet. Try a broader word like “number” or clear the search.