Lesson Plan
Better Lesson

Better Lesson: Ordering Numbers to 30

For Teachers K Standards
Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20. Today we do it by looking at the number line.
Lesson Plan
Better Lesson

Better Lesson: Missing Number Equations

For Teachers 2nd Standards
Second graders will become more comfortable making sense of equations presented in missing answer (traditional) and missing number ( nontraditional) formats.
Lesson Plan
Better Lesson

Better Lesson: Change Unknown Word Problems With Number Lines

For Teachers 2nd Standards
Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.
Lesson Plan
Better Lesson

Better Lesson: Using the Multiplication and Division Relationship to Solve

For Teachers 3rd Standards
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.
Lesson Plan
Better Lesson

Better Lesson: The Multiplication and Division Connection

For Teachers 3rd Standards
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.
Lesson Plan
Better Lesson

Better Lesson: Larger Number Patterns

For Teachers 2nd Standards
Second graders can find patterns in 4-digit numbers that will help them when counting over decades and centuries.
Lesson Plan
Better Lesson

Better Lesson: Balancing and Comparing Data

For Teachers 2nd Standards
The connection between subjects is an important one to establish for students. Communicating across subjects is part of the Common Core expectations.
Lesson Plan
Better Lesson

Better Lesson: Pets, Pets and More Pets

For Teachers 2nd Standards
Second graders love to talk about pets and in this lesson they can share how many pets they have.
Lesson Plan
Better Lesson

Better Lesson: Writing and Solving Number Stories

For Teachers 2nd Standards
We can apply math to almost every part of the day and make math have a purpose for students.
Lesson Plan
Better Lesson

Better Lesson: Time and Money

For Teachers 2nd Standards
As the result of a Unit assessment, it was found that students showed some confusion with writing time and with adding sets of coins. These skills need to be reviewed to aid in mastery of the Common Core standards for time and money.
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.
Professional Doc
Queen's Printer for Ontario

E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf]

For Teachers 3rd - 8th Standards
Volume 2 of an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching addition and subtraction to students in grades 4 through 6. Include a series of suggested activities.
Unknown Type
Common Core Sheets

Common Core Sheets: Number and Operations Fractions 5.nf.2 Worksheets

For Teachers 5th
Worksheets provide practice with solving adding and subtracting fractions with answer keys are provided. You can even create your own worksheet or flash cards.
Lesson Plan
Better Lesson

Better Lesson: Patterns Make Ten

For Teachers 2nd Standards
This lesson builds a foundation for adding larger numbers which is supported by the Common Core standards for second grade.
Activity
Texas Instruments

Texas Instruments: Number and Operation Sense: Rational Numbers

For Teachers Pre-K - 1st
Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal...
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Math Slice

Math Slice: Number Slice Special Test

For Students 3rd - 5th Standards
A succinct test on number concepts including problem solving, basic operations, and computation. Assessment is scored online and student score is compared with other student test scores. Great for use as a quick assessment.
Lesson Plan
Better Lesson

Better Lesson: Using Models to Add and Subtract

For Teachers 2nd Standards
Common Core standards encourage the use of models to build understanding in math. This lesson shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Numbers 1 10 Activity Plan

For Teachers Pre-K - K Standards
In this week's Afterschool Adventure, children will explore simple math activities using the numbers one through ten. Children will represent numbers in different ways, such as drawing quantities; writing numerals; and using number...
Unit Plan
Mangahigh

Mangahigh: Number: Add and Subtract Fractions

For Students 5th - 8th Standards
This site provides students practice with the concept of adding and subtracting fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Unit Plan
Mangahigh

Mangahigh: Number: Add and Subtract Decimals

For Students 4th - 8th Standards
This site provides students practice with the concept of adding and subtracting decimals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Unit Plan
Mangahigh

Mangahigh: Number: Multiply and Divide With Integers

For Students 6th - 9th Standards
This site provides students practice with the concept of multiplying and dividing integers. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Interactive
Mangahigh

Mangahigh: Number: Add and Subtract Radicals

For Students 9th - 10th
Test your knowledge on adding and subtracting radicals.
Lesson Plan
Better Lesson

Better Lesson: Tri Tri Triangles

For Teachers 3rd
Angle description is an abstract idea for students. This lesson gets them moving around and "experiencing" triangles.
Lesson Plan
Better Lesson

Better Lesson: Moving Into Thousands

For Teachers 2nd Standards
To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.