Curated OER
Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation lesson, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept of...
K12 Reader
Estimation
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
Mathed Up!
Estimation
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
Curated OER
Can You Guess
Students develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
Curated OER
Estimating Pi as a Length
In this pi activity, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
NASA
The Drake Equation
In this Drake Equation activity, students read about how scientists can estimate the number of intelligent civilizations that may exist in our galaxy. Students answer 7 questions about the Drake Equation and they use the internet to find...
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson plan, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Jelly Beans for Sale
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...
Curated OER
Money: Count Pennies, Save a Dollar
Learners determine how to make the largest sum of money using the least amount of coins. In this mixed currency lesson plan, students listen to a reading of If You Made a Million by David M. Schwartz before participating in money...
Curated OER
Estimating With Decimals
In this math instructional activity, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed instructional activity.
Curated OER
Rounding to Add #2
In this addition worksheet, students round addends to the nearest 10 to estimate sums. A website reference for additional resources is given. One example is completed for students.
Curated OER
Rounding to Add
In this rounding to add learning exercise, students round addends to the nearest ten and estimate sums for 14 problems. One example is completed; a website reference is given.
Curated OER
Rounding to Add
In this rounding to add instructional activity, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
Curated OER
Riemann Rectangle Errors
Students calculate the area under a curve. In this calculus lesson, students integrate the function to find the area under the curve. They use the Ti to create a visual of the graph.
Curated OER
A Sweet Story: Estimation
In this estimation story problem worksheet, students read a rhyme about Pop's candy store inventory and solve and explain word problems answers. Students solve five problems.
Curated OER
Numerical Methods of Integration
Students calculate the area under a curve. In this calculus lesson, students estimate and calculate the area of a curve using simpson's rule and the trapazoidal rule. They review rieman sums and add to it.
Curated OER
Mixed Math Applications
In this solving various types of math problems activity, students add and compare totals, estimate and solve sums, determine reasonableness of an answer, and fill in missing numbers in number sentences. Students solve four problems.
Curated OER
Mental Math Counts
Learners use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
Curated OER
Estimating and Rounding-Pretest Questions
In this estimating and rounding worksheet, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
Curated OER
Determine if Series Converge or Diverge in Five Multi-part Problems
For this series worksheet, learners determine if series converge, converges absolutely, or diverge. Students also state what test they used to arrive at their solutions.
Curated OER
Commutative Property
First graders investigate the Commutative Property of Addition. It is introduced using models such as students, counters, balances and dominoes. They discover the order of the numbers in an addition sentence does not change the result...
Curated OER
MT-A141 PreCalculus: Worksheet 6.5/6.6
For this precalculus worksheet, students investigate functions and determine which functions are sinusoids. They estimate the amplitude, phase shift, and period of each function. Students explore the sums of sine and cosine functions....
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Composition of Functions
Students solve composition of functions. In this algebra lesson, students find the sum, difference and product of functions. They find the inverse of a function.
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