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
Estimate the Difference - Within 200
Practice Preview
Round each number to the nearest hundreds and estimate the difference :
122 - 36
Explanation
Round each number to the nearest hundreds, then subtract to find the best estimate.
122 rounded to the nearest hundreds is 100
36 rounded to the nearest tens is 40
Therefore, the estimated difference is 100 - 40 = 100
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