Organizer
Curated OER

Counting and Calculating

For Students 1st - 2nd
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
Lesson Plan
Alabama Learning Exchange

Number Clues

For Teachers 2nd - 4th Standards
Students practice problem solving. In this number identification lesson plan, students practice identifying numbers based on clues or characteristics given. They also work in groups to identify the clues for given numbers.
Lesson Plan
Pennsylvania Department of Education

What Balances?

For Teachers Pre-K - 2nd
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Lesson Plan
Curated OER

Compatible numbers to 20

For Teachers 2nd - 7th
Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
Lesson Plan
Curated OER

Combining Foods

For Teachers Pre-K - 2nd
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
Lesson Plan
Curated OER

Finding Sums to 6

For Teachers Pre-K - 2nd
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
Worksheet
Curated OER

Subtraction: Two Digit by Two Digit - No Regrouping

For Students 2nd Standards
In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Pupils count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Lesson Plan
Curated OER

Food Pyramid Power

For Teachers K - 2nd
Students investigate patterns in the Food Pyramid.  In this patterns in the Food Pyramid lesson plan, students sort food into different food groups.  Students make patterns with food from different food groups.  Students...
Worksheet
Curated OER

Adding Worksheet

For Students K - 2nd
In this addition worksheet, students add one digit numbers up to 3 based on the book The Cat in the Hat. Students complete 10 problems.
Lesson Plan
Curated OER

Decimal Fractions

For Teachers 2nd - 4th
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction Background
Lesson Plan
Pennsylvania Department of Education

Links Away: Looking Back and Moving Forward

For Teachers Pre-K - 2nd
Young scholars explore fact families. In this math lesson, students use links to model a fact family. Young scholars solve addition and subtraction problems.
Lesson Plan
Curated OER

My Dogs

For Teachers 2nd - 5th
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
Worksheet
Curated OER

Dr. Seuss Counting Activity

For Students 1st - 2nd
For this Dr. Seuss counting worksheet, students solve a simple addition problem, counting "Yots in pots." A website reference is given for additional resources.
Lesson Plan
Curated OER

Defining Culture

For Teachers 2nd
Second graders define the term culture and are exposed to a variety of cultures from around the world. They read books, play Native American games, develop a class book that examines their own culture and, after examining currencies from...
Activity
Other

Ask Lois Math Terms: Commutative Property

For Students 2nd - 3rd Standards
What is the commutative property? Why not ask Lois. She knows all about math "lingo." A site where kids can find math definitions explained in "kid friendly" language.
Lesson Plan
Other

Nearpod: Adding & Subtracting: Properties of Addition

For Teachers 1st - 2nd Standards
In this lesson on adding and subtracting, young scholars will learn to idenitfy and apply the commutative and associative properties of addition while utilizing their knowledge of fact families to correctly solve problems.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 3.oa Addition Patterns

For Teachers 2nd - 4th Standards
The purpose of this task is to study some patterns in a small addition table. Aligns with CCSS.Math.Content.3.OA.D.9 Identify arithmetic patterns, and explain them using properties of operations.
Unit Plan
Khan Academy

Khan Academy: Math Patterns 1

For Students 2nd - 4th Standards
Identify arithmetic patterns (including ones in the addition or multiplication tables), and explain them using properties of operations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Unit Plan
Khan Academy

Khan Academy: Patterns in Multiplication Tables

For Students 2nd - 4th Standards
Practice discovering and explaining patterns in multiplication tables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.OA.D.9 Identify...