Receive free math worksheets via email:

This joke strikes fear into the hearts of all mathematicians - mostly because they are afraid they are going to hear it again! Why was the number ten afraid? Because seven ate nine.

# Missing Addition or Subtraction Sign

= free = members only

Basic Lesson
Students decide whether to use the addition or subtraction operator. Includes practice problems.
Standard: MATH 1
View Worksheet
Intermediate Lesson
Uses a larger range of digits in the problems.
Standard: MATH 1
View Worksheet
Independent Practice 1
Contains 20 problems asking for the operator needed to make it correct. The answers can be found below.
Standard: MATH 1
View Worksheet
Independent Practice 2
Great as an introduction to pre-algebra skills. The answers can be found below.
Standard: MATH 1
View Worksheet
Missing Addition or Subtraction Sign Homework
Another 12 problems for you. An example is provided.
Standard: MATH 1
View Worksheet
10 Missing Addition or Subtraction Sign questions. Includes a scoring matrix.

View Worksheet