Mixed Operations : First Grade Math Worksheets

This page contains all our printable worksheets in section Mixed Operations of First Grade Math. As you scroll down, you will see many worksheets for fact families, more and less, addition and subtraction facts, addition and subtraction sentences, choose the operation, add or subtract - word problems, adding or subtracting tens, and more.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

View the full list of topics for this grade and subject categorized by common core standards or in a traditional way.

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more and less

Worksheet: First Grade

Speed Up! ( Race Car Theme )


Write ten more or ten less than each given number.

Category:  Mixed Operations     more and less


Worksheet: First Grade

Winter Weather


Write one more and one less than each given number.

Category:  Mixed Operations     more and less


Worksheet: First Grade

1 More, 1 Less : 10 More, 10 Less


Write 1 more or 1 less and 10 more or 10 less from each given number.

Category:  Mixed Operations     more and less


Adding or Subtracting Tens

Worksheet: First Grade

Under the Sea


Practice adding and subtracting tens.

Category:  Mixed Operations     Adding or Subtracting Tens


Worksheet: First Grade

More or Less


Write ten less than and ten more than each number.

Category:  Mixed Operations     Adding or Subtracting Tens


Worksheet: First Grade

Subtract Tens


Students will subtract tens to find each difference.

Category:  Mixed Operations     Adding or Subtracting Tens


Choose the Operation

Worksheet: First Grade

Add or Subtract ?


Write the correct operation ( + or – ) to make each addition/subtraction sentence true.

Category:  Mixed Operations     Choose the Operation


Worksheet: First Grade

Choosing the Operation


Write + or - sign in the blanks to make each number sentence true.

Category:  Mixed Operations     Choose the Operation


Fact Families

Practice addition and subtraction facts in this rain themed worksheet.

Category:  Mixed Operations     Fact Families


Worksheet: First Grade

Fact Families


You child will find the addition and subtraction fact families for each group of numbers in this worksheet.

Category:  Mixed Operations     Fact Families



Fill in the missing number to complete each fact family.

Category:  Mixed Operations     Fact Families



Practice addition and subtraction facts in this cute spring themed worksheet.

Category:  Mixed Operations     Fact Families



Practice addition and subtraction facts in this fun fall themed worksheet.

Category:  Mixed Operations     Fact Families


Worksheet: First Grade

Fact Families Worksheet


Complete each fact family using the three given numbers.

Category:  Mixed Operations     Fact Families


Worksheet: First Grade

Fact Families Worksheet


Help Allie Alligator complete each fact family.

Category:  Mixed Operations     Fact Families


Worksheet: First Grade

Fact Families Worksheet


Complete the fact families.

Category:  Mixed Operations     Fact Families


Worksheet: First Grade

Fact Families


Complete each fact family.

Category:  Mixed Operations     Fact Families


Addition and Subtraction Sentences

Fill in the missing numbers to complete each addition or subtraction sentence true.

Category:  Mixed Operations     Addition and Subtraction Sentences



Write the missing numbers to complete each addition or subtraction sentence true.

Category:  Mixed Operations     Addition and Subtraction Sentences


Worksheet: First Grade

Add or Subtract : Missing Numbers


Write the missing numbers to complete each subtraction or addition sentence.

Category:  Mixed Operations     Addition and Subtraction Sentences


Worksheet: First Grade

Add or Subtract : Missing Numbers


Complete each addition or subtraction sentence by filling in the missing numbers.

Category:  Mixed Operations     Addition and Subtraction Sentences


Add or Subtract - Word Problems

Solve the addition and subtraction word problems.

Category:  Mixed Operations     Add or Subtract - Word Problems



Solve addition and subtraction word problems.

Category:  Mixed Operations     Add or Subtract - Word Problems