This completing fact families worksheet gives 1st graders six number houses to fill in—writing two addition and two subtraction facts for each set of numbers. Answer key included for fast, no-prep math practice.
In this Subtraction as an Unknown Addend Activity, students find the unknown whole number in addition and subtraction equations up to 20.
In this Christmas Math Fact Families Worksheet, students write related addition and subtraction equations using the same three numbers.
In this Fact Family Worksheet, students write related addition and subtraction equations using the same three numbers.
This Valentine's Day Fact Families Worksheet will teach your students how find the fact family that includes 2 addition and 2 subtraction problems using the same 3 numbers. Fact families improve your students mental math skills. This worksheet helps your students to find the relationship between addition and subtraction using…
In this Adding Two Digit Numbers Activity, students add up to four two-digit numbers using strategies based on place value and properties of operations.
In this Adding and Subtracting Unknown Numbers Activity, students find the unknown whole number in addition and subtraction equations up to 20.
In this 1.OA.4 First Grade Common Core Lesson, students practice finding the missing added using subtraction as strategy to solve.
In this 1.OA.8 First Grade Common Core Lesson, students find the unknown whole number in addition equations up to 20.
Using this St. Patrick's Day Fact Families Worksheet, students complete the fact families for each set of numbers. This worksheet is fun for kids during the month of March and for your St. Patrick's Day party. Your kids will have fun creating the different fact families with a 4 leaf…
In this 1.OA.1 First Grade Common Core Lesson, students find the missing addends in equations up to 20.
Using Subtraction With 6-7-8-9 Differences Activity, students solve single digit subtraction equations, then sort answers into categories.
In this Fact Families Worksheet, students write related addition and subtraction equations using the same three numbers.
In this Thanksgiving Fact Families Worksheet, students write related addition and subtraction equations using the same three numbers.
Using Subtraction With 2-3-4-5 Differences Activity , students subtract single digit subtraction equations, then sort differences into categories.














