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Lesson Plan
Curated OER

Word Value

For Teachers 2nd - 3rd
Young scholars investigate the concepts of adding, estimating, and ordering. The lesson plan uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
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Worksheet
Curated OER

Round to Nearest 10-Hundreds Chart

For Students 2nd - 3rd
In this rounding worksheet, students round part of a hundreds chart up to the nearest 10 and the remaining part down. A website reference for additional resources is given.
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Worksheet
Curated OER

Round Each Number to the Nearest 100

For Students 3rd - 4th
In this math worksheet, students round 3 digit numbers to the nearest 100. In the chart students analyze the 3 digit number, check whether it should be rounded up or down, then write the rounded number.
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Lesson Plan
Curated OER

M&M Graphing and Probability

For Teachers 1st - 5th
Students sort, classify, and graph M & M's. They create pictographs and bar graphs with the colors and numbers in each bag of M & M's. They calculate the ratio and probability based on class results.
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Worksheet
Curated OER

Round to the Nearest Thousand

For Students 2nd - 3rd
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...
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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...
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Worksheet
Curated OER

Estimate Sums: Practice

For Students 3rd - 4th
In this estimating sums activity, 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.
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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.
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Worksheet
Curated OER

Place Value Worksheet

For Students 3rd - 6th
In this place value activity, students write the name of the place value up to the 7th place, name the place of the 5 in each problem, and round numbers to the nearest 10. Students complete 20 problems.
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Lesson Plan
Curated OER

The Estimation Station

For Teachers 2nd - 3rd
Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.
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Worksheet
Curated OER

Estimating

For Students 2nd - 4th
In this estimation activity, students estimate the three digit numbers to the nearest hundreds. Students complete 10 problems total.
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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...
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Lesson Plan
Curated OER

Study Buddies- Estimating Products

For Teachers 3rd - 4th
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...
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Lesson Plan
Curated OER

Special Snack

For Teachers 2nd - 6th
Learners explore grocery store circulars to choose items for a snack.  In this snack math lesson, students must plan a class snack for $20.00. Learners create a list estimating costs.  Students view lists and choose one for...
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Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. In this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
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Lesson Plan
Curated OER

Why Guess When You Can Estimate

For Teachers 3rd - 6th
They apply various strategies in their estimations. They analyze the differences between guessing and estimating. They estimate the number of beans and jellybeans in egg cartons and jars respectively.
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Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
In this math worksheet, learners will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Population Pyramids

For Teachers 2nd - 5th
Students utilize population pyramids to answer questions, make comparisons, draw conclusions and support predictions about the populations of China, India and the Unites States. They arrange numbers and symbolic information from various...
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Lesson Plan
Curated OER

Popcorn Geography

For Teachers 3rd - 12th
Students use kernels to create a "Top Corn-Producing States" map or graph. They read and round off numbers. Students identify on a U.S. outline map the location of corn-growing states. They create a visual (map or graph) illustration...
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Worksheet
Curated OER

Estimate Sums

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

How Close Can You Get? Estimating

For Teachers 3rd - 8th
Students work collaboratively to determine how many crackers are in a large container. They then view a video to see how often people use estimation in their jobs, and another video to watch students work on figuring out appropriate...
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Worksheet
Curated OER

Year 6 Time Booster pg. 4

For Students 2nd - 3rd
The month of February is the focus of this calendar learning exercise. Students must look at the calendar and answer 4 word problems about the month of February. Interestingly, this particular February happens to be a leap year with 29...
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Lesson Plan
Pennsylvania Department of Education

Round Numbers to Nearest Ten or Hundred

For Teachers 3rd
Third graders review telling time. In this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about telling...
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Worksheet
Curated OER

Write Nearby Tens

For Students 2nd - 3rd
In this rounding to the nearest ten worksheet, students read numbers and write the nearby tens in the box next to them. Students solve 20 problems.