Estimating Weight (Metric)

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4th Grade Estimating Weight in Metric Units GameFourth Grade Estimate Weights Grams Milligrams Kilograms Game

Online Math Activity - Estimating Weights with Metric Units

Are your students ready to practice estimating weights with metric units? Try out this fun, interactive math activity from to practice basic measurement skills with your class today! Here are the learning objectives for this digital math practice activity:

  • Students will choose the best unit of measurement for the weight of the given object.
  • Students will become familiar with metric units of measurement, including grams and kilograms.
  • Students will decide which object weighs closest to the given metric weight.

Questions in this online measurement activity are presented in multiple-choice format and fill-in-the-blank format.

When your students practice metric measurement in this fourth grade level math activity, they will have access to lots of helpful built-in lesson features designed to optimize their math practice experience:

  • Progress-tracker - Students can check out the progress-tracker in the upper-right corner of the practice screen to see how many questions they have answered so far out of the total number of questions in the math activity.
  • Score-tracker - Students can also view the score-tracker to check out how many points they have earned so far for correct responses.
  • Read-aloud feature - A speaker icon in the upper-left corner of the practice screen indicates the program's read-aloud feature. Students can click the button to hear the question read out loud to them in a clear voice. This resource is especially helpful for ESL/ELL learners and children who are auditory processors.
  • Hint button - Students can click the hint button to view a written or pictorial clue when they get stuck on a question. The hint will point them in the right direction without giving away the answer.
  • Explanation page - Children will see a detailed explanation page pop up on their practice screen when they get an answer wrong. The explanation page will show them the correct answer accompanied by an easy-to-follow explanation.

Each of these built-in tools was created to help your little learners achieve math practice success!

4th Grade Estimating Weight in Metric Units LessonFourth Grade Estimate Weights Grams Milligrams Kilograms Lesson

Online Metric Measurement Practice the Whole Class Will Enjoy

Whether you are an elementary math teacher, homeschool educator, or school administrator, we're confident you will love the I Know It digital math practice program! When you use the I Know It math practice program alongside a comprehensive elementary math curriculum, you give your students a fun, engaging, and challenging way to practice and improve their math skills. Teachers have lots to love about digital math practice:

  • Dozens of interactive math activities per grade level, aligned to the Common Core Standard
  • Math activities written by accredited elementary math teachers just like you
  • Stellar administrator features that help you maximize your students' math practice experience...and much more!

Children, too, enjoy using the I Know It digital math practice program to practice important math skills, like estimating weights with metric units. Here are some of the things students love most about our online math program:

  • Silly animated characters greet students in their math practice sessions and cheer them on with a clever trick or cute dance each time they answer a math question correctly
  • Math awards are given for new math milestones reached on the I Know It math practice program—students can collect math awards in their virtual trophy case, and you can print them out as award certificates to celebrate their achievements together as a class
  • Lots of encouraging feedback messages spur children on to "Keep trying!" even when they make mistakes

We hope you and your fourth-grade class will have lots of fun estimating weights with metric units in this interactive math activity! Be sure to check out the hundreds of other fourth grade online math lessons we have available on our website as well.

Learn About Free Trial and Membership Options

Looking for a way to try out the I Know It online math practice program and see if it's right for you and your students? Sign up for a free thirty-day trial and try out this fourth grade measurement activity, as well as any of the math activities on, at no cost for a full thirty days! We hope you and your class will love experiencing the difference interactive math practice can make! When your free trial ends, we hope you won't hesitate to join the I Know It community as a member. We have membership options for families, individual teachers, schools, and school districts. Why not head on over to our membership information page to discover which I Know It membership is right for you:

Members of the I Know It community get instant access to our program's amazing administrator features. These tools will help you maximize your students' math practice experience by:

  • Monitoring student math practice progress with detailed progress reports
  • Changing basic math lesson settings, such as turning the animated characters on or off
  • Assigning unique login credentials to all of your students
  • Printing, downloading, and saving student progress reports
  • Giving specific math lesson assignments to different students...and much more!

When you students log into with their unique username and password, they will view a kid-friendly version of the I Know It homepage from which they can access the math practice activities you have assigned to them. If you choose to give them the option through your administrator account, students can also explore other math activities at their grade level and beyond for additional review or an extra challenge. Grade levels in the student mode of I Know It are labeled with letters instead of numbers (i.e., "Level D" for fourth grade), making it easy to assign math lessons based on each child's needs and skill level.

4th Grade Estimating Weight in Metric Units ActivityFourth Grade Estimate Weights Grams Milligrams Kilograms Activity


This online math lesson is classified as Level D. It may be ideal for a fourth-grade class.

Common Core Standard

3.MD.2, 4.MD.1, 4.MD.2, MA.4.M.1.1, 4.8A
Measurement And Data

Solve Problems Involving Measurement And Estimation Of Intervals Of Time, Liquid Volumes, And Masses Of Objects.
Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).6 Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.7

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