Remove ads and gain access to the arcade and premium games!
SubscribeUnlock harder levels by getting an average of 80% or higher.
Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
Unlock harder levels by getting an average of 80% or higher.
Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
Need some help or instruction on how to do this skill?
Want a paper copy? Print a generated PDF for this skill.
Share MathGames with your students, and track their progress.
See how you scored compared to other students from around the world.
Learn Math Together.
Grade 4 - Number
Standard 4.N.2 - Practice estimating subtraction equations by first rounding the numbers then finding the difference.
Included Skills:
Demonstrate an understanding of addition of whole numbers with answers to 10 000 and their corresponding subtractions (limited to 3 and 4- digit numerals) by: using personal strategies for adding and subtracting, estimating sums and differences, solving problems involving addition and subtraction.
• Explain how to keep track of digits that have the same place value when adding or subtracting numbers.
• Describe a situation in which an estimate rather than an exact answer is sufficient.
• Estimate sums and differences using different strategies (e.g., front-end estimation and compensation).
• Explain the strategies used to determine a sum or difference.
• Solve problems that involve addition and subtraction of more than two numbers.
If you notice any problems, please let us know.