DK Publishing
Adding with 3-digit Numbers #2
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
Curated OER
Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit subtraction...
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition instructional activity, 2nd graders learn to add and subtract three-digit numbers with...
Curated OER
2 digit subtraction
Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. For this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...
Curated OER
Addition of Numbers
Second graders add two digit numbers with manipulatives. In this addition lesson plan, 2nd graders are given blocks to add numbers together.
TLS Books
Halloween Math Maze: Worksheet 1
After solving the twenty-six addition problems on this ghostly instructional activity, your class must find the path to the haunted house. By following the even-numbered sums, they will find the way! Answers are provided.
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Baylor College
Global Atmospheric Change: The Math Link
Change up the classroom atmosphere with this interdisciplinary resource. Following along with the children's book Mr. Slaptail's Curious Contraption, these math worksheets provide practice with a wide range of topics including simple...
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Curated OER
Caterpillar Math Game
Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.
K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways to build the numbers...
Math Salamanders Ltd.
Addition Up to 20, Sheet 3
This activity focuses on adding numbers to sums of 20. Pupils complete a set of 24 problems by adding numbers to 20. A number line and reference website are given for additional activities.
Curated OER
Making Math More Fun
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a game...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
Math in English
Skip Counting
Help young mathematicians take the next step toward fluent addition with a simple skip counting exercise.
Alabama Learning Exchange
Partying with Two/Three Digit Whole Numbers
Learners practice problem-solving with this addition activity. They plan a party for their class and another class by determining how many cupcakes are needed. Students draw a picture of how they determined the number of cupcakes.
Curated OER
The Multiplier (small 2-digit by 1-digit numbers)
Second graders study digits in 2- or 3-digit whole numbers. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division.
Curated OER
Let's Trade
Second graders engage in a instructional activity which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Curated OER
Multiplication Versus Addition
Second graders create arrays to study multiplication. In this multiplication lesson, 2nd graders split into teams to complete a multiplication table. One team uses addition to solve the table while the other uses multiplication. Students...
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson plan, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...