Unit Plan
Khan Academy

Khan Academy: Round Decimals

For Students 4th - 6th Standards
Round decimals and whole numbers to the nearest thousand, hundred, ten, one, tenth, or hundredth. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing an Equivalent Decimal Ending in Zero to Thousandths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
Whiteboard
SMART Technologies

Smart: Foundational Math Concepts for Elementary Ages

For Teachers K - 1st Standards
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
Unit Plan
Khan Academy

Khan Academy: Round Decimals Using a Number Line

For Students 4th - 6th Standards
Practice using a number line to round decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals

For Students 3rd - 8th Standards
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
Unit Plan
Math Is Fun

Math Is Fun: Compare Decimal Numbers 0 to 1

For Students 4th - 8th Standards
Score points as you compare the value of two given decimals by choosing the correct symbol: less than, greater than, or equal.
Unit Plan
PBS

Pbs: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 6th - 8th
In this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line. Numbers are randomized so that the frogs' placements on the...
Unit Plan
Khan Academy

Khan Academy: Practice: Decimals in Expanded Form

For Students 5th - 6th Standards
Questions are provided to review decimals in expanded form. Immediate feedback is given and hints or a video are available if needed.
Handout
Khan Academy

Khan Academy: Practice: Decimals in Expanded Form Review

For Students 5th - 6th Standards
Review how to write decimals in expanded form, then attempt some practice problems.
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abcteach

Abcteach: Teach: Decimals

For Teachers 1st - 5th
[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.
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Lesson Tutor

Lesson Tutor: Comparing Decimals

For Students 4th - 6th Standards
This site is an online lesson plan and practice problems for students learning how to compare two decimal values are provided here. A detailed explanation of both the methods and the practice questions are provided for easy understanding.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Hundredths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in hundredths by moving the decimal to the right. The video is followed by additional problems for students to practice...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Thousandths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in thousandths by moving the decimal to the right. The video is followed by additional problems for students to practice...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Tenths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in tenths by moving the decimal to the right. The video is followed by additional problems for students to practice the...
Activity
AAA Math

Aaa Math: Subtracting Decimals

For Students 9th - 10th
This personal site explains how to subtract decimals of the tenths place value. Includes games to practice this skill.
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Math Slice

Math Slice: Rounding: Math Worksheets

For Students 3rd - 7th Standards
This tool allows you to create worksheets where students must round whole numbers or decimal numbers to various place value positions.
Activity
The Math League

The Math League: Percent & Probability

For Students 3rd - 8th
This tutorial gives definitions and examples of percents and probability and covers percent as a fraction and percent as a decimal.
Whiteboard
ClassFlow

Class Flow: Ordering Decimals

For Teachers 5th - 8th Standards
[Free Registration/Login Required] In this flipchart, students apply their understanding of ordering decimals on a number line. Students use the visual and interactive features in Activstudio to arrange decimals in arrays.
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Knowledge Share

Super Kids: Rounding Numbers Worksheet Creator

For Students 3rd - 8th Standards
Create your own math facts worksheets for rounding numbers. Problems can positive and negative numbers and decimal values. The user inputs the maximum and minimum values of the numbers to be used, makes decisions about negatives and...
Website
PBS

Pbs Learning Media: How Many Rails for the Detour?

For Students 6th - 8th
The CyberSquad adds decimals to figure out how many rails they need to build a detour that will help them go around a mountain in this Cyberchase video segment.
Unit Plan
Khan Academy

Khan Academy: Decimals in Written Form

For Students 4th - 6th
Practice converting decimals between standard form and written form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
PBS

Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 6th - 8th Standards
In this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line. Numbers are randomized so that the frogs' placements on the...
Interactive
PBS

Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 6th - 8th
n this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line.