# Adding 3-Digit and 4-Digit Numbers

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## Online Math Game - Adding 3-Digit and 4-Digit Numbers

Students will master adding 3-digit and 4-digit numbers by practicing a variety of addition problems in this math lesson. For example they may be asked to solve a word problem like this: "At Lexington Academy, 443 students walk to school and 2,433 students ride the bus. How many students are there altogether?" Or they may be given a horizontal addition problem like this: "6,900 + 9,862 =" The hints and explanation graphics break down the addition problems with step-by-step instructions: add the ones; add the tens; add the hundreds; and add the thousands.

I Know It is an interactive math practice website designed for elementary-aged students to give them extra practice in essential math skills, like adding 4-digit and 3-digit numbers. Teachers and students alike enjoy the kid-friendly design, bright and colorful graphics, and fun animations that complement high quality math content that is engaging, challenging, and fun.

In this addition lesson with 3-digit numbers and 4-digit numbers, as with all lessons on I Know It, several features help students make the most out of practice time. A progress-tracker shows students how many questions they've answered so far, and a score-tracker shows them how many questions they've answered correctly. A hint button helps them figure out how to solve the problem without giving the answer away. When they answer a question incorrectly, a detailed explanation page pops up to show them, step-by-step, how to solve the problem correctly, so they can learn from their mistakes and improve their basic addition skills.

This adding with four-digit numbers and three-digit numbers math lesson shows a speaker icon in the upper-left corner of the screen. Click on it, and your students will have the question read aloud to them in a clear voice. This read-aloud feature is available on all I Know It math lessons. It's ideal for ESL/ELL students and students who learn best as auditory learners.

Go ahead and try out this addition lesson with 3-digit and four-digit addends with your class! We have lots of other interactive math games to choose from, so don't forget to browse our other math topics!

## Free Trial with No Strings Attached

Take advantage of our free sixty-day trial offer on I Know It and try out this basic addition lesson and others at no cost! Your students may practice for free, but they will be capped at twenty-five questions per day across all math lessons in the free trial mode. For unlimited access to I Know It and all its features, you will need to be a paying member of the website.

Members of I Know It will be able to utilize the website's administrative features, including: creating a class roster and adding students to it; assign individual student user names and passwords; assign specific lessons to individual students; check on student progress and lesson scores; print, send, and download student progress reports; and change lesson settings (such as limiting lesson hints and turning off the animations).

## Level

As mentioned above, this engaging math game is categorized as a Level D lesson. It may be ideal for third or fourth grade students.

## Common Core Standard

4.NBT.4, MA.3.NSO.2.1, MA.3.AR.1.2, 4.4A
Number And Operations In Base Ten

Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.
Fluently add and subtract multi-digit whole numbers using the standard algorithm.