+
Lesson Plan
Curated OER

Rounding Whole Numbers; Estimating Sums And Differences

For Teachers 6th - 9th
In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
+
Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th - 6th Standards
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
+
Worksheet
Curated OER

Estimate Sums and Differences

For Students 1st - 3rd
In this estimating sums and differences practice activity, students sharpen their problem solving skills as they solve 6 story problems.
+
Lesson Plan
Curated OER

Estimating Sums and Differences

For Teachers 3rd - 4th
In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
+
Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th
In this estimation activity, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the activity.
+
Lesson Plan
EngageNY

Sums and Differences of Decimals

For Students 6th Standards
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
+
Worksheet
Curated OER

Estimating Fractions and Sums

For Students 4th - 5th
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...
+
Worksheet
Curated OER

What Do You Think?

For Students 2nd - 3rd
In this estimating sums and differences worksheet, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
+
Worksheet
Curated OER

Estimate Sums and Differences

For Students 4th
In this word problem worksheet, 4th graders answer 6 word problems by writing mathematical sentences that show each answer. They work with distances and time.
+
Worksheet
Curated OER

Estimating Sums and Differences

For Students 7th
In this estimation of sums and differences activity, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for each...
+
Worksheet
Curated OER

Estimate Sums and Differences

For Students 4th - 7th
For this estimating sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problem.
+
Worksheet
Curated OER

Quiz: 15 Estimating Fractions Sums and Differences

For Students 5th - 6th
In this estimating fraction sums and differences worksheet, students complete a total of 15 problems. Answers are included on page 2. Labeled as quiz but suitable for practice.
+
Worksheet
Curated OER

Estimating Fractions

For Students 6th - 7th
In this estimating fractions worksheet, students solve 20 various problems that include estimation in each. They estimate the sum or difference in each of the problems shown on the sheet. Students calculate each mixed number into a...
+
Worksheet
Curated OER

Estimate the Difference

For Students 4th - 5th
In this estimation worksheet, students estimate the difference by rounding each two-digit number to the nearest ten. Students complete ten estimation problems.
+
Worksheet
Curated OER

Estimate Differences

For Students 4th - 5th
In this estimating differences worksheet, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
+
Interactive
Curated OER

Estimating and Rounding-Pretest Questions

For Students 4th - 5th
In this estimating and rounding activity, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
+
Worksheet
Curated OER

Estimating with Decimals

For Students 3rd - 6th
In this decimal worksheet, students estimate sums, differences, products or quotients in a set of 35 decimal problems. Text pages are given, but text name is not included.
+
Worksheet
Curated OER

Number Sense and Operations

For Students 5th
In this number sense and operations worksheet, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
+
Worksheet
Curated OER

Round and Estimate

For Students 3rd - 5th
In this estimation and rounding learning exercise, students estimate sums or differences by rounding to the nearest hundred mile, then find the total distance from one given spot to another. 
+
Worksheet
Mathed Up!

Estimation

For Students 4th - 6th Standards
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
+
Worksheet
Curated OER

Family Activity: Adding and Subtracting Decimals

For Students 5th - 6th
In this math worksheet, students work at home with a family member to add and subtract decimals in a sample check register. Students add deposits, subtract withdrawals and determine the balance of the account.