Common Core
K.CC.C.7
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Kindergarten Math · Chapter 2 · Lesson 2
Deciding without counting things.
Kindergarten Math · Chapter 2 · Lesson 3
Stepping up and stepping down.
Kindergarten Math · Chapter 6 · Lesson 3
The extras decide.