Math Standard 1.NBT.B.2.C

  • Major Standards
  • Supporting Standards
  • Additional Standards

The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

Part of Major Cluster 1.NBT.B

Upcoming Standards