Worksheets on Common Core Standard - 1.OA.B.4
1.OA.B.4 - Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
(5 results)
I Can Add and Subtract
1.OA.B.4
Adding in the Clouds
This single digit addition fluency worksheet provides 1st graders targeted practice in accurately an...
1.OA.B.4
Fact Family
This fact families worksheet within twenty will help your students practice their addition and subtr...
1.OA.B.4
Fact Family Triangles
This fact families worksheet within twenty will help your students practice their addition and subtr...
1.OA.B.4
Grade 1 Subtraction as Unknown Addend Problems
1.OA.B.4