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-4
Addition up to 1,000,000 - With Regrouping
Practice Preview
Add and write the correct answer :
15539
+
83999
Explanation
Add the ones place together. Add 9 + 9 then regroup :
1
1553
9
+
8399
9
8
Add the tens place together. Add 3 + 9 +
1
then regroup :
11
155
3
9
+
839
9
9
38
Add the hundreds place together. Add 5 + 9 +
1
then regroup :
111
15
5
39
+
83
9
99
538
Add the thousands place together. Add 5 + 3 +
1
:
0
111
1
5
539
+
8
3
999
9538
Add the ten thousands place together. Add 1 + 8 :
0
0
111
1
5539
+
8
3999
99538
Progress Summary
Questions Answered
0
Skill Score out of 100
Time Taken:
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
Log In
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?
Submit