Bookmark and Share

Estimate Differences

This topic covers the concept of estimating differences by subtracting rounded numbers.

Topic: Estimate Differences

  • Sometimes an exact difference is needed. However, in some cases, only an approximate answer can solve our problem. We can estimate by finding an answer that is close to the exact answer

  • To estimate, the difference of two numbers, round each number and subtract

  • When two numbers have different number of digits, it is best to round to the highest place of the smaller number

Topic: Comparison Based on Up and Down Rounding

  • To estimate, the difference of two numbers, round each number and subtract

  • When two numbers have different number of digits, it is best to round to the highest place of the smaller number
Other Resources
View all concepts
Smartest Way to Practice Math
TenMarks is the smartest way to practice and learn math online. Experience our interactive worksheets that engage students.
Personalized program, mapped to state standards
Interactive worksheets with hints and video lessons
Rewards and certificates motivate students
Only $10 a month
TenMarks - Experience