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Interactive
ABCya

Ab Cya: Number Race

For Students Pre-K - 1st Standards
This resource is a fun way to practice odd and even numbers as well as number values (greater than and less than). The object of the game is to drive a vehicle as many miles as possible before running out of fuel.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 1000

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence when adding and subtracting 3-digit numbers by using fact families.
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Activity
Rice University

Rice University: Let's Count!

For Students Pre-K - 1st Standards
Let's Count is a website that offers opportunities to count lots of different sets of things. You can also view the same website in Spanish.
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Lesson Plan
Can Teach

Can Teach: Target: An Equations Game

For Teachers Pre-K - 1st Standards
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
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Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 100

For Students 2nd - 3rd Standards
Short tutorial showing how to subtract using two-digit numbers in tens and ones columns without regrouping.
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Activity
National Institute of Educational Technologies and Teacher Training (Spain)

Ministerio De Educacion: La Triada (Suma)

For Students K - 1st Standards
This is a game about addition of numbers from 1 to 9. A group of two players are needed for this game.
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Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 100 With Regrouping

For Students 2nd - 3rd Standards
A step-by-step tutorial showing how to subtract using two-digit numbers in the tens and ones columns with regrouping. Includes sample problems to try. It also provides links to subtraction games and more.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: k.oa Shake and Spill

For Teachers K - 1st Standards
The purpose of this task is for students to decompose a number as a sum of two other numbers in more than one way. Students will shake and spill 5 two colored counters and determine how many of each color is showing and record the sum...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Red and Blue Tiles

For Teachers 1st - 2nd Standards
Students will determine whether a set of objects contains an even or odd number of members using strategies such as pairing objects or attempting to divide the objects into two equal subgroups. Discussion questions and explanations are...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Buttons Odd and Even

For Teachers 2nd - 3rd Standards
The purpose of this task is for students to determine whether a set of objects (up to 20) has an odd or even number of elements. Students will also write an equation to express an even number as a sum of two equal addends and an odd...
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Unit Plan
Khan Academy

Khan Academy: Patterns With Even and Odd

For Students 2nd - 4th Standards
Use an understanding of even and odd numbers to figure out number patterns. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fact Families Numbers to 100

For Students 1st - 3rd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence by using fact families.
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Lesson Plan
Better Lesson

Better Lesson: We Are All a Happy Fact Family

For Teachers 2nd Standards
Explore the relationship between addition and subtraction with this activity. Help students understand that "every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction number...
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Lesson Plan
Better Lesson

Better Lesson: Bigger or Smaller

For Teachers 2nd Standards
Second grade students are asked to apply two complementary processes: counting and grouping. The conceptual understanding of the place value of a number and combining/separating numbers using place value, are critical aspects of...
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Lesson Plan
Better Lesson

Better Lesson: More Dimes and Dollars

For Teachers 2nd Standards
Second graders need practice using coins and dollars and relating them to ones, tens and hundreds. Common Core standards include counting by 10s and 100s.
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Lesson Plan
Better Lesson

Better Lesson: The Neighbors of Doubles

For Teachers 2nd Standards
The big idea of this lesson is that students can solve for near doubles by thinking of the related doubles fact.
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Lesson Plan
Better Lesson

Better Lesson: More Than Two Numbers

For Teachers 2nd Standards
The big idea of this lesson is that three (or more) numbers can be grouped together and added. The order of this grouping doesn't matter.
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Lesson Plan
Better Lesson

Better Lesson: Hundreds, Tens, Ones Are Coins Too

For Teachers 2nd Standards
Second graders will extend their understanding of hundreds, tens and ones using dollars, dimes and pennies as another way to express groups of 100, 10 and 1.
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Lesson Plan
Better Lesson

Better Lesson: Identifying Tens and Ones

For Teachers 2nd Standards
Second graders will be given set amount of money to add, and identify how many tens and ones.
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Interactive
ABCya

Ab Cya: Odd or Even

For Students 1st - 2nd Standards
Number Ninja: Odd or Even is a fun way to practice identifying odd and even numbers. Act fast and use your finger or mouse to slice the target numbers in half! Earn extra points by slicing multiple numbers at the same time!
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Lesson Plan
Better Lesson

Better Lesson: Smiley Faces and Up

For Teachers 2nd Standards
Automaticity with patterns that allow students to easily manipulate larger numbers is the aim of this lesson plan.
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Lesson Plan
Better Lesson

Better Lesson: Doubles and Halves Are Patterns Too

For Teachers 2nd Standards
Can you double an odd number? Can you cut it in half? Patterns in doubles and halves help to answer these questions.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Riksjas, Toek Toek: Division

For Students 1st - 2nd Standards
Rick's uncle owns a few rickshaws and brings people all around the city. Can you help Rick divide the people between the rickshaws?
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Lesson Plan
Other

Nearpod: Odd & Even Numbers

For Teachers 1st - 2nd Standards
In this lesson, students will learn how to identify even and odd numbers by pairing, skip-counting, and locating the ones digit. Students will also observe patterns when adding and subtracting odd and even numbers.