Common Core
4.OA.B.4
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 4 Math · Chapter 4 · Lesson 1
Every rectangle you can build from a number.
Grade 4 Math · Chapter 4 · Lesson 2
Numbers that make only one rectangle.
Grade 4 Math · Chapter 4 · Lesson 3
Counting on from a number.