Lesson Plan
Curated OER

Math Lesson Plan: Super Easy 9 Times Tables Trick

For Teachers 2nd - 4th
Students practice their times tables. In this multiplication practice instructional activity, students learn and practice a method that helps them remember the 9 times table.
Lesson Plan
Curated OER

Chisanbop (Korean Counting to 99)

For Teachers 1st - 3rd
Students practice their counting skills. In this counting lesson, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.
Lesson Plan
Curated OER

Place Value

For Teachers 1st
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
For this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Lesson Plan
Curated OER

Counting Money

For Teachers 2nd - 4th
Students read, write, and identify different coin combinations and use this information in real-world situations.
Lesson Plan
Curated OER

"It's Verifiable!"

For Teachers 3rd - 5th
Students examine the differences between fact and opinion. They define fact and opinion, evaluate their favorite fact or opinion on a website, and in small groups write sentences using facts and opinions about school and their favorite...
Worksheet
Curated OER

Problem-Solving Strategy: Find a Pattern: Problem Solving

For Students 5th - 6th
In this math patterns worksheet, students use the understand, plan, solve, and look back problem solving strategy to help them find the patterns for the two problems.
Lesson Plan
Curated OER

Balanced Or Unbalanced

For Teachers 3rd - 5th
Students use physical models and graphs in order to solve problems that have their origin in the real world that require algebraic thinking. The words are changed into equations and inequalities in order to be solved. This requires...
Lesson Plan
Curated OER

Popsicle Stick Regrouping Fun

For Teachers 2nd - 3rd
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
Interactive
Curated OER

Estimating and Rounding-Pretest Questions

For Students 4th - 5th
In this estimating and rounding worksheet, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
Lesson Plan
Curated OER

Colors, Characters, & Clues

For Teachers 6th - 8th
Students investigate inferences. They define inference, view a Powerpoint presentation, answer questions about a picture book, and identify clues throughout the story as examples of inferences.
Lesson Plan
Curated OER

Jack and the Beanstalk Estimation

For Teachers 3rd - 4th
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Lesson Plan
Curated OER

Story Telling

For Teachers 9th - 12th
Students practice story telling. For this story telling lesson, students work in groups to read a fable and divide it into a beginning, middle, and end. Each member takes a section and practices retelling it with vocals, gestures, and...
Lesson Plan
Curated OER

Tear + Net = Gross

For Teachers 2nd
Second graders find the net weight of a grocery item by weighing it with the tear. For this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Lesson Plan
Curated OER

Adding Ten Tiles I

For Teachers 6th - 7th
Young scholars practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students...
Lesson Plan
Curated OER

Looking Through Time

For Teachers 2nd
Second graders research their local history and create a books program.
Worksheet
Curated OER

Subtraction Decimals

For Teachers 4th - 5th
In this math worksheet, students subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.
Lesson Plan
Curated OER

Chart Trivia

For Teachers 1st - 3rd
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Unknown Type
Khan Academy

Khan Academy: Breaking Apart Two Digit Addition Problems

For Students Pre-K - 1st Standards
In this exercise, students practice breaking apart two-digit addition problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Adding Two Digit Numbers (No Regrouping)

For Students Pre-K - 1st Standards
In this exercise, students practice adding two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Math Addition With Carrying 2, 3, and 4 Digits

For Students K - 1st Standards
Students solve two, three, and four-digit addition problems with carrying. The sum turns blue if correct.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 2-digit addition problem without regrouping. The video is followed by practice problems.
Professional Doc
Primary Resources

Primary Resources: Addition and Subtraction Higher Numbers

For Teachers Pre-K - 1st Standards
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Hamburger Restaurant: Addition

For Students 3rd - 4th
On this interactive website students practice various math skills using a real life scenario at a hamburger restaurant. Those skills include adding two-digit numbers and three-digit numbers.