Curated OER
Rounding up or Rounding down
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
Curated OER
Rounding to the Nearest 10
In this rounding worksheet, students solve 15 problems in which a two digit number is rounded to the nearest ten. Students draw lines from the number to the rounded numbers shown.
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.
Khan Academy
Khan Academy: Round to Nearest 10 or 100
Practice rounding to the nearest ten and rounding to the nearest hundred. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints about rounding.
Arcademics
Arcademics: Tandem Turtles
Multiplayer math game where turtle teams on skateboards race by rounding whole numbers to the nearest 10's place value.
Arcademics
Arcademics: Space Jaunt
Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.
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