Standards
CCSS.Math.Content.1.NBT.B
CCSS.Math.Content.1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
- CCSS.Math.Content.1.NBT.B.2a
- CCSS.Math.Content.1.NBT.B.2b
- CCSS.Math.Content.1.NBT.B.2c