[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]

[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]

An activity where students learn the meanings of metric prefixes, and how to use them with decimal numbers and with different units of measurement.

[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.

[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.

[Free Registration/Login may be required to access all resource tools.] Find decimal quotients then round to a given place value.

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.

This lesson explains that each digit in a decimal number has a value related to its positional representation.

In this 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 decimals and...

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...

In this lesson, learners 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...

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...

Round to nearest designated decimal place.

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.

Teachers can assess students' knowledge of place value with these printable worksheets. You can even create your own worksheet or flashcards.

[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....

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...

This task challenges a student to use knowledge of place value system to represent and compare rational numbers.

This lesson explains how to identify decimals of the ten-thousandths place value. Includes games to practice this skill.

This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.

[Free Registration/Login may be required to access all resource tools.] Write amounts of money as decimals.

[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...

[Free Registration/Login may be required to access all resource tools.] A practice quiz where students must make the greatest or least decimal number with the digits they are given.

[Free Registration/Login may be required to access all resource tools.] Compare and order decimals by rounding the decimals