Pacermind | Grade-3 Math Practice | Adding Three Numbers - Up to 3-Digit Each

Math Practice Why Us? Parents Schools Edition District Edition Plans & Pricing

Math Practice
Why Us?
Parents
Schools
School Edition District Edition Plans & Pricing

Login
PARENTS, START FREE TRIAL

Grade-3
Adding Three Numbers - Up to 3-Digit Each

Practice Preview

Add :

480
135
+	816

Explanation

Add the ones together. Add 0 + 5 + 6 then regroup

1
480
135
+	816
	1

Add the tens together. Add 8 + 3 + 1 + 1 then regroup

11
480
135
+	816
	31

Add the hundreds together. Add 4 + 1 + 8 + 1 then regroup

111
480
135
+	816
	1431

Progress Summary

Questions Answered

0

Skill Score out of 100

Time Taken:

© 2025 PacerMind Education, LLC. All rights reserved. | Terms of service | Privacy

Please fill up this form to become part of beta testing.

Name:
Email:

Switch User

Modal title

Log In

Become a member and enjoy great benefits. Only $9.95 per month. Sign up for a FREE 7 day trial now.
More Information

Unlimited questions to practice in 900+ PK-5 math skills.
Placement test and Continuous Assessments.
Individualized learning path. Personal recommendations.
Immediate feedback and explanations.
Track progress with real-time reports. Actionable results.
Aligned to Standards.
Weekly email on your child's progress.
Engaging awards, certificates and points.

Please enter your user name

Please enter your password

Remember
Forgot Password?

Your account is inactive. Please contact support. Purchase Now

Feedback

We value your feedback! Please provide us with any questions or comments in the boxes below!

Name

Email

What is the problem/issue/suggestion you have?

What can we do to make it better?