Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Numbers With Decimal Place Value Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Understand and express decimals.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding the Same Decimal to Different Decimal Places

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with a decimal number and must round it to three different decimal place value positions. [2:14]
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding to Nearest 3 Decimal Places or Thousandths Place

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to round numbers to the nearest thousandths decimal place. [1:24]
Interactive
Study Pad

Splash Learn: Add Decimals Using Models

For Students 5th
[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...
Activity
TOPS Learning Systems

Top Science: Decimal Bounce [Pdf]

For Students 5th - 7th Standards
An activity where students learn the meanings of metric prefixes, and how to use them with decimal numbers and with different units of measurement.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: The Value of Education

For Teachers 4th - 8th
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtract Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Large Decimal Rounding to Decimal Representations

For Students 6th Standards
[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Rounding and Division

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find decimal quotients then round to a given place value.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determine Which Set of Decimals Is Correctly Ordered by Value

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare decimals by looking at the value of the digits in each place value to determine the order. The video is followed by a series of...
Interactive
Quia

Quia: Decimal and Whole Number Jeopardy

For Students 3rd - 6th Standards
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
Lesson Plan
Alabama Learning Exchange

Alex: Carlos the Centipede Is Adding Decimals!

For Teachers 3rd - 8th Standards
In this instructional activity, students will work in collaborative/cooperative groups to understand adding decimals. Students will use decimal grids to represent the sum of decimals. Emphasis is on using place-value, lining up the...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Decimals, Expressions, Operations

For Students 9th - 10th Standards
Twenty problems presented on the topics: working with expressions, using the distributive property, decimal place value and decimal operations. They are given with each step to the solution cleverly revealed one at a time. You can work...
Unit Plan
Math Is Fun

Math Is Fun: Decimals

For Students 4th - 6th Standards
A good introduction to decimals, which includes a definition of place value and several examples of decimal numbers. Follow links at the bottom of this page to access decimal worksheets as well as information on rounding numbers, adding...
Lesson Plan
Alabama Learning Exchange

Alex: Carlos the Centipede Is Subtracting Decimals!

For Teachers 3rd - 8th Standards
In this lesson, students will work in collaborative/cooperative groups to understand subtracting decimals. Students will use decimal grids to represent the difference of decimals. Emphasis is on using place-value, lining up the decimals...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Multiplying Decimals by 10

For Teachers 4th - 8th Standards
The purpose of this task is to help students understand and explain why multiplying a decimal number by 10 shifts all the digits one place to the left. This understanding builds on work around place-value that students have done with...
Unit Plan
Sophia Learning

Sophia: Tenths

For Students 6th - 7th
Students learn about the tenths decimal place value. The tutorial includes detailed examples.
Interactive
Mangahigh

Mangahigh: Number: Round Using Decimal Places

For Students 5th - 7th Standards
Round to nearest designated decimal place.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Tenths

For Students 4th - 6th Standards
Add two numbers that are either whole numbers or written to the tenths place value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Common Core Sheets

Common Core Sheets: Number and Operations in Base Ten 5.nbt.4 Worksheets

For Teachers 5th
Teachers can assess students' knowledge of place value with these printable worksheets. You can even create your own worksheet or flashcards.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Equivalent Decimals Ending in Zero

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to identify which decimal numbers are equivalent. To do this, they must understand how zero is used as a placeholder....
Activity
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Make a Ten

For Students 3rd - 5th
An interactive simulation that teaches about place value, addition, and subtraction by adding, breaking apart, and combining numbers by making tens and focusing on place value. This simulation can either be downloaded or played online...
Lesson Plan
University of Texas

Inside Mathematics: Decimals [Pdf]

For Teachers 4th - 6th Standards
This task challenges a student to use knowledge of place value system to represent and compare rational numbers.

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