Curated OER
Basic Subtraction Facts
In this finding the differences worksheet, students use a number line to help fill in the missing blanks in subtraction problems. Students solve 20 problems.
Curated OER
Subtraction-Missing Numbers
In this subtraction worksheet, students fill in the missing number necessary to arrive at the given answer. A reference web site is given for additional activities.
![Missing Numbers Subtraction [E] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216946/large/cgrmlwnvbnzlcnqymdezmdmzms0yntkznc1knznpndmuanbn.jpg?1414306998 "Missing Numbers Subtraction [E] Worksheet")
Curated OER
Missing Numbers Subtraction [E]
In this subtraction worksheet, students fill in the missing number to solve a total of 24 problems; answers are included on page 2.
Curated OER
Subtraction - Find the Missing Numbers
In this subtraction activity, 3rd graders find the missing numbers in 8 subtraction problems. They estimate the differences in 4 three and four digit subtraction problems before calculating each answer.