In this 1.NBT.6 First Grade Common Core Lesson, students will practice subtracting 10 from a given number using a number line.

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.

In this 2.MD.6 Second Grade Common Core lesson, students will add and subtract within 100 on a number line.

This 2.NBT.9 Second Grade Common Core Lesson includes 2.NBT.9 Worksheets, 2.NBT.9 Activities, 2.NBT.9 Assessment, and 2.NBT.9 Poster.

In this 2.OA.2 Second Grade Common Core Lesson, students practice adding and subtracting within 20 and know all sums from memory as quickly as possible!

Using Elapsed Time Mixed Review Worksheet , students find the amount of time that based from the start to the end of an activity.

Using Subtracting Time Worksheet, students find the amount of time that based from the start to the end of an activity in hours and minutes.

Using Thermometer Differences Worksheet, students record the change in temperature between thermometers.

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

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

Using this Spending Saving Worksheet, students count the coins, adding or subtracting as you go to find the total amount.

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

Using this St Patricks Day Graphing Worksheet, students solve addition and subtraction problems and then record it on a bar graph under the correct symbol.

Using Triple Digit Subtracting No Regroup Worksheet, students solve triple digit subtraction problems without regrouping.

Using Triple Digit Subtracting No Regrouping Worksheet, students solve triple digit subtraction problems without regrouping.

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

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

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

Using Subtracting One Writing Equations Worksheet, students subtract one from a given number by writing equations and using pictures.