There's a piece missing in each equation. Add or subtract to find it and make the equation complete.
Numbers Wanted: Add, Subtract, Solve Workbook
Numbers Wanted: Add, Subtract, Solve Workbook
GRADES:
Additional Educational Resources:
Addition and Subtraction to 40 Large Workbook - (Grade 1)
Addition and Subtraction Facts to 20 Large Workbook - (Grade 1)
Quick Assessment - Easy Addition and Subtraction to 20