While using our Explaining Why Addition and Subtraction Works Worksheet, students write, draw, or use equations and diagrams to explain what strategies you used to solve the problems.

In this Let's Go on a Trip Addition Subtraction Within 100 Activity, students add and subtract within 1000, using concrete models or drawings and strategies.

In this 1.OA.8 First Grade Common Core Lesson, students find the unknown whole number in addition equations up to 20.

Using Monster Math Triple Digit Subtraction Activity, students solve three digit subtraction equations without regrouping to build their subtraction fluency.

Using Subtract Seven Matching Worksheet, students solve equations by subtracting seven and then match equations to answers.

Using Single Digit Subtraction Activity, students solve single digit subtraction equations to build their subtraction fluency.

Using Subtraction With 6-7-8-9 Differences Activity, students solve single digit subtraction equations, then sort answers into categories.

Using Subtraction BINGO, students play BINGO to solve subtraction problems to 20 and build fact fluency.

This subtracting five writing equations worksheet has first graders write number sentences from St. Patrick's Day picture rows and solve subtract-five facts, with an answer key included for quick checking.

Practice subtraction within six with this subtraction dice game worksheet for 1st grade. Kids count dice dots, write number sentences, and draw missing dots, with an answer key included for quick checking.

This double digit subtraction without regrouping worksheet gives 1st Grade students twelve column problems that take tens away from a two-digit number. An answer key is included, so checking work is fast and easy.

Using Knowing Your Number Line Worksheet, students identify locations on a number line by skip counting by tens.

Using Finding the Number Different Ways Worksheet, students solve the subtraction equation using any strategy to find the differences.

In this 1.OA.5 First Grade Common Core Lesson, students will practice counting backward from 10 using a number line.

Using Multi-Digit SubtractionRegrouping Worksheet, students solve multi-digit subtraction problems with regrouping.

Using Solving Subtraction Word Problem Worksheet, students solve subtraction word problems in order to build their ability to find a solution.

Using Solving Subtraction Word Problems Worksheet, students solve subtraction word problems in order to build their ability to find a solution.

Using Subtract Nine Matching Worksheet, students solve subtracting nine equations and then match equations to answers.

Using Subtracting Nine Writing Equations Worksheet, students solve subtraction by nine problems by writing equations and using pictures.

Using Subtraction With 2-3-4-5 Differences Activity , students subtract single digit subtraction equations, then sort differences into categories.