Lesson Plan
Curated OER

Expanded Form

For Teachers 1st - 3rd
Students are introduced to the concept of expanded form in a lecture and a class discussion. They write numbers in expanded form using words only, numbers only and numbers and words.
Lesson Plan
Curated OER

How to Reason

For Teachers 1st - 3rd
Students practice their logical thinking skills. In this reasoning lesson, students complete tasks involving geometric shapes, place value, and odd/even numbers.
Worksheet
Curated OER

Whole Number Multiplication Level 6

For Students 2nd - 4th
In this math worksheet, students practice using the skill of multiplication to solve the twelve problems given on the sheet.
Lesson Plan
Curated OER

Seeing Interference Fringes with a Telescope

For Teachers 9th - 12th
Students construct an interferometer using a simple telescope. In this physics lesson, students explain how light waves create the fringe patterns. They observe patterns made by different objects in the sky and compare them.
Lesson Plan
Curated OER

Subtracting Greater Numbers

For Teachers 4th - 5th
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
Worksheet
Curated OER

Whole Number Addition Level 6

For Students 2nd - 3rd
In this math worksheet, students practice 2 digit addition with regrouping. There are 12 problems on the page with ample space to show work.
Worksheet
Curated OER

Whole Number Subtraction Level 10

For Students 2nd - 3rd
In this math worksheet, students practice using the skill of subtraction to solve the twelve problems given on the sheet. They also practice borrowing.
Lesson Plan
Curated OER

Regrouping With Remediation

For Teachers 4th
Fourth graders complete multiplication, addition, and subtraction problems that all contain regrouping. In this regrouping lesson plan, 4th graders complete worksheets not provided.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Conversions Between Hundreds, Tens, and Ones

For Students 3rd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to convert the value of digits in a number between the hundreds, tens, and ones places. Includes video demonstrating a...
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.
Interactive
ABCya

Ab Cya: Number Grid Fireworks

For Students K - 1st
This educational activity helps kids to develop an understanding of patterns and number relationships by utilizing a number grid. Each horizontal row represents a tens digit. As you move from top to bottom, the tens digit increases by...
Activity
Discovery Education

Discovery Education: Web Math: See What Place Value a Number Has

For Students 1st - 5th Standards
Here's an interactive problem solver allowing you to type in a multi-digit number and get answers to what place value each number represents.
Activity
NumberNut

Number Nut: Multiplication: 3 Digit Numbers

For Students 3rd - 5th Standards
Did you know that you need to add a zero at the end of a numbers when you multiply two or more times; one zero for the tens number and two zeros for the hundreds.? Review the examples and then practices your skills with the two...
Whiteboard
ClassFlow

Class Flow: Place Value

For Teachers 3rd - 4th Standards
[Free Registration/Login Required] This flipchart is an introduction to Place Value - Recognizing digits from the one units place to the hundred thousands place.
Interactive
Thomas Jefferson National Accelerator Facility

Jefferson Lab: Place Value Game

For Students 1st - 5th Standards
This interactive math game lets you create the largest number possible as the computer gives you numbers.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 2.nbt Making 124

For Teachers 2nd Standards
This complete lesson plans has students determine how to make a number using hundreds, tens, and ones.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Tenths and Hundredths

For Teachers 4th - 8th Standards
The purpose of this task is for students to explore the relationship between tenths and hundredths (as well as the relationship between tens and hundreds).
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Place Value Given a Digit

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying the place value of a particular digit.
Interactive
ABCya

Ab Cya: Rounding Numbers

For Students 3rd - 6th Standards
Soccer Math: Rounding provides a fun way for kids to practice rounding numbers. There are three different levels of difficulty: 1.Tens & Hundreds 2.Tens, Hundreds & Thousands 3.Tens, Hundreds, Thousands & Decimals Get five...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Representing Numbers in Expanded Form I

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX tool allows students to drag and drop base blocks (1, 10, 100) to find the total area of an irregular figure. The video shows an example of a...
Unit Plan
Khan Academy

Khan Academy: Subtract 10s and 100s (No Regrouping)

For Students 1st - 3rd
Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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