AAA Math
Aaa Math: Decimal Place Value
Students are taught how to calculate decimal place value. Extra practice drill problems are included.
AAA Math
Aaa Math: Tenths as Decimals
This site explains how to identify tenths place value. Includes games to practice this skill.
NumberNut
Number Nut: Rounding Numbers to the Nearest Tenth
Practice your rounding skills in this online quiz. There are ten questions, and you select the correct answer by rounding to the nearest tenth.
NumberNut
Number Nut: Rounding Numbers to the Nearest Tenth Memory Challenge
Practice your rounding skills in this online memory game. Eliminate pairs of cards by selecting a card and finding its rounding match.
Application Magazine
Aplicaciones: Numeros Decimales
Test your knowledge of decimal numbers. Final score will be given in each section.
Application Magazine
Aplicaciones: Transformaciones
Find out how well you know the decimal system. Final score will be given in each section.
Ducksters
Ducksters: Kids Math: Decimals Place Value
Did you know that the position of numbers in relation to the decimal point changes its value? On this site learn about decimals place value.
Math Slice
Basic Math: Rounding
This resource covers whole number rounding where students can choose to round to the nearest tens to millions. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to practice again.
ClassFlow
Class Flow: Rounding Numbers
[Free Registration/Login Required] Using a number-line, students will round numbers to the nearest whole up to the nearest thousands. Activote assessment is included along with two practice opportunities.
ClassFlow
Class Flow: Rounding Place Value
[Free Registration/Login Required] In this flipchart students will round to the nearest thousand, ten thousand, hundred thousand. Grade 4 Place Value unit.
ClassFlow
Class Flow: Rounding Place Value
[Free Registration/Login Required] This flipchart is a grade 4 place value unit, rounding up to the hundred thousands.
Math Slice
Math Slice: Rounding: Math Worksheets
This tool allows you to create worksheets where students must round whole numbers or decimal numbers to various place value positions.
Purple Math
Purplemath: Place Value: Concepts
Explains and illustrates the thinking behind the concept of place value.
Purple Math
Purplemath: Rounding Numbers
Reviews how to round numbers to a given place or number of decimal places.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Place Value Game
The goal of the Place Value Game is to create the largest possible number from the digits the computer gives you. Unfortunately, the computer will give you each digit one at a time and you won't know what the next number will be. You are...
Topmarks Online
Topmarks: Place Value Charts
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.
Math Slice
Math Slice: Place Value
A game matching the digit in a number to the correct place value. Place value includes whole numbers to the millions and decimals.
Math Slice
Math Slice: Place Value: Math Worksheets
This tool allows you to create place value worksheets that can include decimal numbers.
Math Aids
Math Aids: Rounding
Great resource for learning and practicing rounding numbers. Math worksheets are printable, may be customized, and include answer keys.