In this 2.OA.1 Second Grade Common Core Lesson, students add and subtract within 100 to solve one and two step word problems using different strategies.
In this 1.OA.1 First Grade Common Core Lesson, students find the missing addends in 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 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!
In this 1.OA.2 First Grade Common Core Lesson, students add three whole numbers together to solve by matching equation cards to answer cards.
In this 2.OA.4 Second Grade Common Core lesson, students use addition to find the total number of objects arranged in arrays with up to 5 rows and columns.
In this 5.NF.1 Fifth Grade Common Core lesson students add and subtraction fractions and mixed numbers with uncommon denominators and simplifying answers .
In this 1.OA.6 First Grade Common Core Lesson, students will practice counting on up to 10 using a number line.
In this 2.NBT.8 Second Grade Common Core Lesson, students mentally add and subtract 10 or 100 from a given number 100–900.
In this 1.OA.3 First Grade Common Core Lesson, students discover that you can add in any order and get the same sum each time!
In this 1.OA.7 First Grade Common Core Lesson, students will decide given equations are true or false to understand the meaning of the equal sign.
In this 2.MD.6 Second Grade Common Core lesson, students will add and subtract within 100 on a number line.
In this 2.NBT.7 Second Grade Common Core Lesson students fluently add and subtract within 100o using multiple strategies.
Using this K.OA.1 Kindergarten Common Core Lesson, students add together two groups of objects and then match to the sum card.
This K.OA.2 Kindergarten Common Core Lesson includes K.OA.2 Worksheets, K.OA.2 Activities, K.OA.2 Assessment, and K.OA.2 Poster.
In this 1.NBT.4 First Grade Common Core Lesson, students will practice adding 10 to a given number.
In this 1.NBT.5 First Grade Common Core Lesson, students practice finding 10 more and less than a given number.
In this 2.NBT.5 Second Grade Common Core lesson, students fluently add and subtract within 100 using multiple strategies.
In this 3.NBT.2 Third Grade Common Core Lesson, studentsfluently add and subtract within 1000 using multiple learned strategies.
In this 4.NBT.4 Fourth Grade Common Core Lesson, students add and subtract multi-digit whole numbers.



















