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 Double Digit Subtraction Without Regrouping Worksheet, students solve double digit subtraction problems without regrouping.

Using Quad Digit Addition Worksheet, students solve four digit addition problems with regrouping by following the addition steps.

Using this Number Line Jump Forward and Solve Worksheet, students use the number line to solve the problems as an addition strategy.

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

Using this Counting Coins Worksheet , students find the total price of amount of coins to improve their coin counting skills.

UsingStructuring Numbers Partners to Ten Worksheet, studentsmatch numbers to the other number that adds up to ten.

Using thisMama Mia Commutative Property Addition Activity, students practice the Commutative Property of Addition by writing equations in any order.

Using the Balance Worksheet, students add multiple weights to balance the left and right sides of scales.

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 Dimes Worksheet - Matching, studentspractice skip-counting by 10s to match the dime sets to the correct amounts by drawing lines.

Using this Snack Bar Payment Worksheet, students choose 3 items from the menu, then add the items prices together and write the totals.

Using Addition Problem Solving Addends to 40 Worksheet,students solve addition word problems with addends between 0-40.

Using Double Digit Add Regroup Worksheet, students add two double digit addends with regrouping.

Using Double Digit Add Regrouping Worksheet, students add two double digit addends with regrouping.

Using Triple Digit Numbers Addition No Regroup Worksheet, students solve triple digit addition problems without regrouping by following the addition steps.

Using Snowman Math Worksheet, students match parts of a snowman to create a complete addition equation to build fact fluency.

Using Plenty O' Pennies Counting Pennies Activity, students practice counting pennies to build their coin counting skills.

Using Adding Four Using Pictures Worksheet, students solve equations using pictures where they are adding four to the first addend.