Interactive
Topmarks Online

Topmarks: Place Value Charts

For Students K - 1st Standards
Great resource for learning or teaching place value with different levels of difficulty which include decimals. The practice mode helps students understand how numbers are made up. Immediate feedback is given.
Activity
Homeschool Math

Homeschool Math: Decimal Place Value: One Decimal Digit

For Students 4th
This is a complete lesson with instruction and varied exercises, explaining how the place value system works with decimals that have one decimal digit, and how to write such decimals in expanded form.
Lesson Plan
Better Lesson

Better Lesson: 10 More and 10 Less

For Teachers K - 1st Standards
This lesson is More or Less a great lesson! Engage young scholars in finding 10 more and 10 less than a number using these fun activities. Includes an eSpark video on place value, detailed lesson plan, copy of a hundreds chart, and...
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...
Lesson Plan
Better Lesson

Better Lesson: Put It Together and Take It Apart

For Teachers 2nd Standards
Second graders increase their understanding of place value by manipulating larger numbers.
Lesson Plan
Better Lesson

Better Lesson: Comparing Numbers Written in Expanded Form

For Teachers 2nd Standards
Second graders take their understanding of place value to the next level when they compare numbers written in expanded form. This lesson plan includes printable worksheets and a video showing students engaged in the lesson.
Lesson Plan
Better Lesson

Better Lesson: Mentally Speaking!

For Teachers 2nd Standards
Using base ten blocks and place value, 2nd graders explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.
Lesson Plan
Better Lesson

Better Lesson: Moving From Fractions to Decimals

For Teachers 4th Standards
Introduce students to decimals with this lesson. Students will explore how fractions can be changed to decimals with place value charts.
Lesson Plan
Better Lesson

Better Lesson: Making Change Using Partners of One Hundred

For Teachers 2nd Standards
Using dimes to make change is another way to work with subtracting tens within 100.
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.
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.
Interactive
Calculator Soup

Calculator Soup: Rounding Numbers Calculator

For Students 9th - 10th
Rounding calculator teaches how to round numbers up or down to any decimal place. Choose ones to round a number to the nearest dollar. Choose hundredths to round an amount to the nearest cent.
Lesson Plan
Education Place

Houghton Mifflin: Eduplace: Compare and Order Whole Numbers to 100

For Teachers Pre-K - 1st Standards
In order to help children understand what numbers mean, it is helpful to teach them how to compare and order them. This site provides lesson plans, tips & tricks, and frequently asked questions. It's concise and easy to understand.