Worksheet
Curated OER

Estimating Sums of Money

For Students 4th - 6th
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
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 learning exercise, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after...
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

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.
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

Estimate Sums and Differences

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

Rounding to the Nearest Ten

For Students 2nd - 3rd
In this rounding worksheet, students complete the thought process sentences and round numbers to the nearest ten. Students round twenty-four problems.
Worksheet
Curated OER

Approximate Answers By Rounding (pg. 1)

For Students 4th - 5th
In this rounding number worksheet, students pick the best approximation using rounding for 4 equations, work out approximate answers for the sums by rounding to the nearest thousand in 5 problems and answer 3 place value rounding word...
Worksheet
Curated OER

Number Sense and Operations

For Students 5th
In this number sense and operations instructional activity, 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...
Lesson Plan
EngageNY

Estimating Probabilities by Collecting Data

For Teachers 7th Standards
Take a spin to determine experimental probability. Small groups spin a spinner and keep track of the sums of the spins and calculate the resulting probabilities. Pupils use simulated frequencies to practice finding other probabilities to...
Worksheet
Curated OER

The Number of Neutrons

For Students 9th - 12th
Although the focus of this worksheet is the neutron, you cannot talke about them without also dealing with protons and electrons! Chemistry kids fill in a table of 14 elements, identifying the mass, atomic number, isotopic symbol, and...
Worksheet
Curated OER

Estimating Sums

For Students 3rd
In this estimating to ten and hundred instructional activity, 3rd graders estimate 16 math problems by rounding to the nearest ten and 4 by rounding to the nearest hundred. Students answer 1 word problem and 2 multiple choice questions...
Interactive
Curated OER

Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums instructional activity, students solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
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

Estimate Sums: Practice

For Students 3rd - 4th
In this estimating sums worksheet, students round each addend to the nearest ten and then estimate the sums. Students finish with one test prep question by estimating for the sum.
Worksheet
Curated OER

Estimate Sums: Reteach

For Students 3rd - 4th
In this estimating sums learning exercise, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the...
Worksheet
Curated OER

Estimate Sums: Homework

For Students 4th - 5th
In this estimating sums worksheet, students round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums worksheet, students round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
Worksheet
Curated OER

Rounding to the Nearest Hundred

For Students 3rd - 4th
In this rounding worksheet, students solve 10 fill in the blank problems where they examine a 2, 3 or 4 digit number, write the numbers it is between and then round each number to the nearest hundred. Next, students solve 15 fill in the...
Lesson Plan
Curated OER

Estimation 2: Sum and Difference

For Teachers 6th - 7th
In this estimation worksheet, pupils mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story problems...
Worksheet
Curated OER

Estimate the Difference

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

Estimate the Sum

For Students 4th - 5th
In this estimating sums worksheet, students round each number in addition problems to the nearest hundred and solve. Answers are included on page 2.
Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this estimating worksheet, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.