# Rounding up and down to the nearest 10 or 100 - Lesson for Grade 3, Chapter - Rounding

In this engaging lesson, "Rounding up and down to the nearest 10 or 100," third-grade students will embark on a mathematical journey that lays the foundational stones for their understanding of numbers and fractions. As part of the "Foundations in Numbers and Fractions" unit, this lesson is meticulously designed to enhance students' proficiency in rounding numbers, an essential skill in everyday life and academic success.

Students will learn how to accurately round numbers up and down to the nearest ten or hundred, employing interactive activities such as the "Round Up and Down to the nearest 10 or 100," and complementing this knowledge through practical application worksheets like the "Rounding Healthy Diet Worksheet," "Rounding Healthy Choices Exercise Worksheet," and "Rounding Influences Food Choices Worksheet. " These activities are not only designed to reinforce mathematical concepts but also to integrate awareness about healthy eating habits, making learning multidimensional.

Understanding how to round numbers is crucial for making quick estimations, facilitating easier calculations, and laying a strong foundation for future topics in mathematics.

Estimated classroom time: 17 min
Chapter: Rounding
Unit: Foundations in Numbers and Fractions
Click on any activity below to start learning.
1st
4:00 min
Round Up and Down to the nearest 10 or 100
video
2nd
3:00 min
Rounding Healthy Diet Worksheet
worksheet
3rd
3:00 min
Rounding Healthy Choices Exercise Worksheet
worksheet
4th
3:00 min
Rounding Influences Food Choices Worksheet
worksheet
5th
4:00 min
Rounding up and Down to the Nearest 100
Quiz
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• ### Activity 2 / Rounding Healthy Diet Worksheet

Kids Academy knows how important it is to make math problems relatable. Check out this fun and vibrant rounding worksheet that combines math concepts with those from health class! This worksheet helps make kids aware of sugary junk foods and presents learners with how many grams of sugar are in each dessert. To complete, encourage kids to view each food item and round the number to the nearest 10. Don’t forget to remind them to pay close attention to the ones column to know which way to round the number: up or down!

• ### Activity 3 / Rounding Healthy Choices Exercise Worksheet

Are your kids tired of boring math worksheets that list a ton of problems without even trying to make them fun or relatable? Check out this exciting rounding printout that turns math problems into a maze! The premise is simple: help the kids depicted on the page to meet their exercise goals by progressing from the start to the finish line. The only catch is that children can only move through the maze by finding numbers that can be rounded to 200. Help learners pay close attentions to the tens place to know whether to round up or down while working. Make it to the finish line to complete!

• ### Activity 4 / Rounding Influences Food Choices Worksheet

Kids enjoy math more and can relate it to their lives when the problems reflect realistic scenarios. Math class meets health class in this clever rounding worksheet! The premise of this free printable page is that kids see a lot of advertisements that can influence their motivation to eat fast food. Begin working by viewing the data for the number of ads that kids see in the course of a year. Then, round the number for each category to the nearest ten or hundred depending how many digits is in each number. Check the correct answers to complete!

• ### Activity 5 / Rounding up and Down to the Nearest 100 - Quiz

This quiz assesses students’ ability to round up and down to the nearest hundred.