# Find Missing Number with Addition and Subtraction | 11 Free Worksheets PDF

These PDF worksheets on missing number addition and subtraction will help visualize and understand addition and subtraction at a more expert level. 1st-grade students will learn basic addition and subtraction methods and can improve their basic math skills with our free printable worksheets.

## 11 Exciting Find Missing Number Addition and Subtraction Worksheets

Provide a worksheet with some missing number addition problems all over it.

• Find the missing number by subtracting the other number next to the plus sign from the total.
• For example, the first problem is “4 + _ =10”. So, the students need to first subtract 10 from 4 and the answer will be 6. Then they will put the answer in the missing gap.

## Missing Minuend/Subtrahend Problems

Provide a worksheet with some missing minuend and subtrahend problems all over it.

• Find the missing number by adding or subtracting the other number next to the minus sign from the difference.
• For example, the first problem is “7 – _ = 2.” So, the students need to first subtract 7 from 2, and the answer will be 5. Then they will put the answer in the missing gap.
• On the other hand, the fourth problem is “_ – 3 = 12.” So, the students need to first add 3 and 12, and the answer will be 15. Then they will put the answer in the missing gap.

## Missing Number with Dots Activities

Provide a worksheet with some missing dots and number addition and subtraction problems all over it.

• Find the missing dots by subtracting the other number next to the plus or minus sign from the total or difference.
• For example, if a problem is “2 + _ =12,” where 2 is indicated by two dots. So, the students need to first subtract 12 from 2, and the answer will be 10. Then they will put ten dots in the missing gap.
• On the other hand, another problem is “9 – _ = 3,” where 9 is indicated by nine dots. So, the students need to first subtract 9 from 3, and the answer will be 6. Then they will put six dots in the missing gap.

## Mixed Addition and Subtraction Worksheets with Missing Operations

This worksheet provides missing number operations with mixed addition and subtraction. Follow the previous rules to solve them.

## Missing Number Addition 2 Digits by 1 Digit

They must find the missing number by subtracting the other number next to the plus sign from the total. For example, if a problem is “_ + 4 = 34,” the students will need to first subtract 34 from 4, and the answer will be 30. Then they will put the answer in the missing gap.

## Missing Number Subtraction 2 Digits by 1 Digit

Find the missing number by subtracting or adding the other number next to the minus sign to the difference.

For example, if a problem is “52 – _ = 45,” the students will need to first subtract 52 from 45, and the answer will be 7. Then they will put the answer in the missing gap.

## Missing Number Addition and Subtraction within 10

This worksheet provides missing number addition and subtraction within 10.

Find the missing number by subtracting the other number next to the sign from the difference or total.

## Missing Number Addition and Subtraction within 20

This time, find the missing addition and subtraction within 20.  Find the missing number by subtracting the other number next to the sign from the difference or total.

## Missing Number Addition and Subtraction within 50

This is a worksheet for finding missing addition and subtraction within 50.

## Missing Number Addition and Subtraction within 100

Now that you are aware of a new entertaining task of finding missing numbers for addition and subtraction within 100, let’s mix it up!

Find the missing numbers by practicing with the interactive worksheet we’ve included below!

## Missing Number Addition and Subtraction Word Problem

First, they need to understand the problem, and then they will solve it.