Common Core
1.NBT.C.6
One lesson teaches this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 1 Math · Chapter 8 · Lesson 2
Take whole tens away and count what is left.
Common Core
One lesson teaches this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 1 Math · Chapter 8 · Lesson 2
Take whole tens away and count what is left.