# Understand Subtraction as Unknown Addend Problem: Worksheets, Online Test and Calculators

Understand subtraction as unknown addend problem worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of algebra.

Understand Subtraction as Unknown Addend Problem
Name
Date

1
8 + 2 =
2
10 - 2 =
3
5 + 5 =
4
2 + = 10
5
4 + 6 =
6
10 - = 1
7
10 - 7 =
8
10 - 3 =
9
9 + = 10
10
10 - 8 =

Solved Worksheet Problems
1
8 + 2 = 10
2
10 - 2 = 8
3
5 + 5 = 10
4
2 + 8 = 10
5
4 + 6 = 10
6
10 - 9 = 1
7
10 - 7 = 3
8
10 - 3 = 7
9
9 + 1 = 10
10
10 - 8 = 2

## Worksheet: Understand Subtraction as Unknown Addend Problem

Understand subtraction as unknown addend problem worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such algebra problems in basic mathematics.