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Worksheet
Curated OER

Equal Estimates- Decimals

For Students 3rd - 5th
In this decimal estimation worksheet, students estimate a set of addition and subtraction problems, rounding to the nearest whole number, then place each problem in the box that contains its estimated sum or difference.
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Lesson Plan
Curated OER

Book Title: You Can’t Buy a Dinosaur with a Dime

For Teachers 3rd - 4th
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...
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Worksheet
Curated OER

2 Digit Addition Worksheets with Regrouping

For Students 2nd - 3rd
For this math worksheet, students solve 20 problems in which 2 digit numbers are added with regrouping. There are 10 pages available here.
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Worksheet
Curated OER

Round to the Nearest Thousand

For Students 2nd - 4th
In this rounding worksheet, students round a set of 10 numbers to the nearest thousand. A website reference for additional resources is given.
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Worksheet
Curated OER

Estimate to the Nearest Ten

For Students 2nd - 4th
In this estimation worksheet, students estimate a set of 10 numbers to the nearest 10. A reference website for additional resources is given.
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Lesson Plan
Curated OER

How Much is a Million?

For Teachers 2nd - 4th
Students discover the magnitude of the number 100. The sense of the number is developed by allowing students to experience 100 by counting it, measuring it, feeling it, and doing it, hands-on
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Worksheet
Curated OER

Reasonable Answers

For Students 3rd - 4th
In this reasonable answers worksheet, students solve six story problems in which numbers are rounded and the answer estimated. Students select the most reasonable answer from 3 choices.
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Worksheet
Curated OER

Estimate the Proper Fractions

For Students 3rd - 5th
In this estimation worksheet, students estimate 7 given fractions to the nearest whole number. Answers are included on page 2.
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Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
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Lesson Plan
Curated OER

Tricky Triangles

For Teachers 3rd
Third graders engage in a lesson plan that is concerned with the playing of a Trick Triangle Game while focusing upon developing skills of addition, subtraction, multiplication, and division. They play the game and practice rounding of...
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Worksheet
Curated OER

E3 Practice Assessment - Pets

For Students 3rd
In this assessment worksheet, 3rd graders complete eight pages of math assessment. Students solve problems related to money and a bar graph. Students solve word problems involving rounding and computation.
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Lesson Plan
Curated OER

Enough for Everybody: Division

For Teachers 3rd - 5th
Students study division. In this math lesson, students arrange manipulatives into equal groups. Students discuss the relationship between multiplication and division.
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Worksheet
Curated OER

Estimate and Check

For Students 2nd - 3rd
In this estimation instructional activity, students estimate numbers of items shown in pictures, then circle given groups of items, count and write totals. 
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Lesson Plan
Curated OER

Using Graphs and Charts

For Teachers 1st - 3rd
Students complete T charts and manipulate numbers using graphs and charts. In this math graphs and charts activity, students review the concepts of pattern and function. Students then complete practice pages where they manipulate numbers...
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Worksheet
Curated OER

Smarties Investigation

For Students 3rd - 4th
For this math worksheet, students participate in an investigation of Smarties candy. For example, students estimate how many candies they have in each color, count the actual number, and record the information in a tally chart.
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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.
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Lesson Plan
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Multiplication Strategies and Writing Story Problems

For Teachers 3rd
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
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Lesson Plan
Curated OER

Estimation

For Teachers 3rd - 5th
Students complete computer activities about estimating if items are more or less than a given amount. In this estimation lesson plan, students also estimate measurements around the classroom.
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Lesson Plan
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Money and Change

For Teachers 3rd - 4th
In this money and change worksheet, students read about multiplying with money, then solve 4 problems, estimating first. Students then study 3 charts and write number sentences.
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Lesson Plan
Curated OER

Pumpkin Problems

For Teachers K - 4th
Students participate in a instructional activity that has the intention of working on estimation skills. They use pumpkins to estimate the number of seeds are inside. They collect data for each pumpkin and compare it to the estimation....
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Worksheet
Curated OER

Multiplication of Decimals

For Students 2nd - 5th
In this multiplication of decimals worksheet, students problem solve twenty five equations that deal with multiplication of decimals and rounding answers to the nearest whole number.
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Worksheet
Curated OER

By the Numbers?

For Students 3rd - 5th
In this counting worksheet, learners read about counting and when it is appropriate to find an exact count of something, versus counting by ten to find an estimate. They then read 10 items that can be counted and indicate whether they...
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Lesson Plan
Curated OER

2002 State Flower Show

For Teachers 2nd - 3rd
Here is another State Quarter lesson. This one uses the Mississippi State Quarter. Pupils utilize beautifully-designed worksheets embedded in the plan, to practice calculating which combinations of flowers they can afford to buy. They...
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Lesson Plan
Curated OER

Guesstimate? NO Estimate!

For Teachers K - 3rd
Learners discover the advantage of estimation over simple guessing using number relationships. They also discover how useful a mathematical tool estimation is in everyday life.