Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free

Hi, what do you want to do?

Create a lesson plan
Create a lesson plan
Generate resources with 80+ AI teacher tools
Generate resources with 80+ AI teacher tools
Search 200,000 instructional videos
Search 200,000 instructional videos
Find a teaching resource
Find a teaching resource
Large Decimal Rounding to Decimal Representations: Weighing a Whale InteractiveLarge Decimal Rounding to Decimal Representations: Weighing a Whale Interactive
Publisher
CK-12 Foundation
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
4th - 8th
Subjects
Math
1 more...
Resource Type
Interactives
Audiences
For Teacher Use
1 more...
Duration
15 mins
Instructional Strategies
Independent Practice
1 more...
Technology
Internet Access
Accessibility
Larger Text
Year
2014
Usage Permissions
Creative Commons
BY-NC: 3.0
cc
Interactive

Large Decimal Rounding to Decimal Representations: Weighing a Whale

Curated and Reviewed by Lesson Planet

An interactive challenges mathematicians to round large numbers with help from a large scale that measures the weight of a blue whale. The practie's five questions include multiple-choice, fill-in-the-blank, true or false, and an open discussion. 

10 Views 7 Downloads
CCSS: Adaptable

Concepts

rounding, rounding numbers, rounding whole numbers, large numbers, numbers, whales, blue whales

Additional Tags

math

Instructional Ideas

  • Combine subjects math and science then assign the interactive as a May Do activity 
  • Assign the interactive during math center rotations, have the page bookmarked or already opened to make access easier 
  • Send the link home for additional practice outside of school 

Classroom Considerations

  • A free CK-12 account is required to complete the interactive 
  • Learners should be familiar with rounding large numbers 
  • Scratch paper is needed to solve some equations

Pros

  • The dial on the scale emoves easily 
  • Answers are graded rapidly
  • Hints and helpful information is provided 

Cons

  • None

Common Core

4.NBT.A.3

See similar resources:

Handout

Getting Started with Interactive Math Notebooks

Curated OER
Set young mathematicians up for success with this interactive math notebook. Including a list of rules and expectations for using the notebooks, as well as templates for a creating a cover page and table of contents, this resource...
K - 7th Math
Worksheet

Math Stars: A Problem-Solving Newsletter Grade 6

Math Stars
Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...
4th - 7th Math
CCSS: Adaptable
Worksheet

Ordering Large Numbers: Numbers up to 9,200,000

Curated OER
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
3rd - 5th Math
CCSS: Designed
Printables

Unit 3 Math Vocabulary Cards (Grade 5)

Houghton Mifflin Harcourt
Fifty-four flashcards make up a set to help reinforce math vocabulary. The set offers two types of cards; a word card printed in bold font, and a definition card equipped with an example and labels. Terms include capacity,...
5th Math
CCSS: Adaptable
Handout

Divisibility Rules

Del Mar College
There's a lot to remember when it comes to math concepts. Help scholars get a head-start to learning division with a reference page offering divisibility rules for the numbers two, three, four, five, six, eight, nine, and 10. 
3rd - 5th Math
CCSS: Adaptable
Assessment

Smarter Balanced Sample Items: 8th Grade Math – Claim 4

CCSS Math Activities
A math model is a good model. A slide show presents 10 sample items on modeling and data analysis. Items from Smarter Balanced illustrate different ways that Claim 4 may be assessed on the 8th grade math assessment. The presentation is...
8th Math
CCSS: Adaptable
Interactive

Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten

CK-12 Foundation
Boost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example...
6th - 8th Math
CCSS: Adaptable
Interactive

Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens

CK-12 Foundation
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
6th - 8th Math
CCSS: Adaptable
Interactive

Problem Solving Plan, Mental Math: The Perfect Lemonade 1

CK-12 Foundation
Find the perfect amount of water for lemonade. Scholars solve the famous problem of measuring four liters of water using a three-liter container and a five-liter container. An interactive allows users to see each step of the solution.
7th - 10th Math
Interactive

Mental Math for Addition and Subtraction Equations: Marble Bag Collector

CK-12 Foundation
Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify...
6th - 7th Math
CCSS: Designed
Try It Free
© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use