Lesson Plan
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Costly Calculations Game Show

For Teachers 5th - 6th
Students compete in an imaginary game show, using an imaginary calculator that only has a few select keys: 2, 6, and the addition, subtraction, division, and multiplication keys. Using only these keys, students are prompted to come up...
Worksheet
Curated OER

Smarties Investigation

For Students 3rd - 4th
In 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.
Worksheet
Curated OER

Estimating Percents

For Students 5th - 8th
In this math worksheet, students complete 25 problems where they estimate the percentage of shaded figures, fractions of a whole, and by solving word problems which use percents.
Worksheet
Curated OER

Estimating the Cost of Shopping

For Students 3rd - 4th
In this math worksheet, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
Lesson Plan
Curated OER

Using Math with Sale Papers

For Teachers 5th
Fifth graders estimate their results and then prove through calculations. In this math lesson plan, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
Interactive
Curated OER

Math is Everywhere! Post Test

For Students 4th - 6th
In this math test learning exercise, students complete 10 multiple choice questions covering a wide variety of math concepts. An answer link is included.
Interactive
Curated OER

Grade 5 Basic Math

For Students 5th
In this grade 5 math learning exercise, 5th graders answer a set of 22 multiple choice problem solving and estimation questions. Worksheet may be completed on-line and answers submitted.
Lesson Plan
Curated OER

Approximation of Pi

For Teachers 9th - 12th
High schoolers explore the concept of Pi.  In this Pi lesson, students measure the circumference and diameter of a circle.  High schoolers record the diameter and circumference measurements from their classmates.  Students...
Lesson Plan
Curated OER

Estimating

For Teachers K - 2nd
Students complete a worksheet.  In this estimation lesson plan, students view various ties and estimate the number of objects or pictures on it.  Students complete a worksheet on estimation and then make their own tie pattern.
Lesson Plan
Curated OER

One Size Fits All?

For Teachers 3rd - 5th
Learners describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
Lesson Plan
Curated OER

Real-World Reasonableness

For Teachers 5th
Fifth graders apply math to real-world situations. In this mathematics lesson, 5th graders are read the book, "Math Curse," which discusses ways in which math is used each day. Students then write a sequel to the book in groups,...
Worksheet
Curated OER

Decimal Word Problems

For Students 4th - 6th
In this problem solving activity, students use their knowledge of decimals, estimation, multiplication, and division to solve story problems. Students solve eight problems. 
Lesson Plan
Curated OER

Estimating School Store Purchases

For Teachers 3rd - 5th
Students examine uses for estimating, and round purchase prices to estimate total purchases in a simulated school store setting. They discuss what it means for an item to be on sale, and observe the teacher work through the process of...
Worksheet
Curated OER

Number Sense and Operations

For Students 7th
In this number sense and operations worksheet, 7th graders solve 15 different types of problems that include estimation and expanded notation. First, they simplify various equations by following the order of operations. Then, students...
Worksheet
Curated OER

Estimate the Improper Fractions

For Students 4th - 5th
In this fraction estimation worksheet, students estimate seven improper fractions to the nearest whole number. There is an answer sheet included.
Lesson Plan
Curated OER

Jelly Bean Math

For Teachers 2nd - 4th
Learners estimate, measure, compute, and create patterns using jelly beans. In small groups, they solve various calculations, place jelly beans into groups, invent a new flavor, create a pattern, and complete a worksheet.
Lesson Plan
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EASY AS PUMPKIN PIE

For Teachers 5th - 6th
Students demonstrate place values using pumpkin seeds as a math manipulative. They use manipulatives, models, known facts, properties and relationships to explain thinking processes. They estimate the number of seeds in their pumpkin.
Lesson Plan
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Study Buddies: Estimating Quotients

For Teachers 3rd - 4th
In this math worksheet, students will work with a coach to solve a division problems by estimating quotients. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
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More! A Lesson on Comparing

For Teachers K
Students practice counting and comparing objects.  In this math lesson plan, students view a Count on It! episode. Students examine the value of what they are counting.  Students estimate number in groups of items. ...
Worksheet
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Addition and Estimation

For Students 6th - 8th
In this addition and estimation learning exercise, students complete 3 sections in which they use estimation and addition to solve the problems. There are 8 problems on this learning exercise and students can check their answer by...
Worksheet
Curated OER

Estimation Worksheet

For Students 4th - 8th
In this estimating activity, students solve 9 problems in which they use estimation and calculation to determine the answers. The first 2 sections are dealing with money and the second 2 are not. Students can determine whether their...
Worksheet
Curated OER

Level 2 Test 2 Math Assessment

For Students 2nd - 3rd
For this math assessment worksheet, students complete a 100 question multiple choice test. Included are: mixed operations, fractions, geometry, money, patterns, graphs, time and estimation. Text is written in all capital letters.
Lesson Plan
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Laboratory for Atmospheric and Space Physics

Where Are We Going?

For Teachers 2nd - 6th Standards
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Interactive
CK-12 Foundation

Newton's Method

For Students 11th - Higher Ed
Use an iterative process to find an approximation of a square root. Pupils use the interactive to find an approximation to find the positive root of a quadratic function with Newton's method. With the graphs, learners position the...

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