Purple Math
Purplemath: Rounding Numbers
Reviews how to round numbers to a given place or number of decimal places.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to the Nearest Ten and Hundred
The purpose of this task is for students to practice rounding numbers to the nearest ten, connect the rules for rounding with location on the number line, and to introduce the idea of rounding to the nearest 100. Aligns with...
Quia
Quia: Decimal and Whole Number Jeopardy
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.
Khan Academy
Khan Academy: Round to Nearest 10 or 100 on the Number Line
Practice rounding to the nearest ten and rounding to the nearest hundred on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Khan Academy
Khan Academy: Rounding Challenge
Give your brain a workout with these challenge problems on rounding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NBT.A.1 Use place value...
Illustrative Mathematics
Illustrative Mathematics: 3.nbt, 4.nbt Rounding to the Nearest 100 and 1000
This task builds off of the skill of rounding to the nearest ten and hundred in third grade. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to 50 or 500
Students explore different rounding scenarios. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
ClassFlow
Class Flow: Estimating Sums and Differences
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
Other
Gynzy: Rounding Money
In this interactive game, students round money to 5 cents, 10 cents, or 100 cents by dragging a puzzle piece the the correct answer and revealing a picture when finished.
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.
NumberNut
Number Nut: Rounding Numbers to the Nearest Hundred
Round each number to the nearest hundred. Select the correct answer of three choices. There are ten random questions.
Khan Academy
Khan Academy: Addition Using Groups of 10 and 100
In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...
Discovery Education
Discovery Education: Web Math: How to Round a Number
This site provides a description and helpful hints on how to round numbers to any place value. Content also includes an interactive problem solver complete with a full description of how the answer was accomplished.
Quia
Quia: Math Journey
In this online game London is your starting place! This game lets you practice addition, subtraction, multiplication, division and rounding as you "Travel," around the world. You can also choose the level of difficulty
Khan Academy
Khan Academy: Round Decimals
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.