Curated OER
Estimating the Cost of Shopping
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.
Curated OER
Lesson Exchange: Polygons (Middle, Mathematics)
Learners discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
Curated OER
Finding PI
Students select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe the...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
Curated OER
The Number Partner
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
Curated OER
Unit 6: Number System Activities
In this number system worksheet, 6th graders complete a variety of activities: magic circles, decimal arithmagons, dominoes, estimations, decimal equivalents and recurring decimals. Worksheet is a total of 10 pages.
Curated OER
Estimating With Fractions
Seventh graders, exploring methods to estimate fractions, take notes on estimating fractions, 7th graders write letters to explain the process of estimating fractions and mixed numbers to someone who does not know the concept. Students...
Curated OER
Estimation and Approximation
In this estimation and approximation learning exercise, students estimate multiplication and division problems containing decimals. They measure given objects, determine the possible error, the lower bound and the upper bound. Students...
Curated OER
Sherlock Holmes' Real Train Adventure
For this calculus worksheet, students use the trapezoid and Simpson's rule to calculate the midpoint sum. They use a specific interval to perform their integration. There are 12 questions.
Curated OER
Worksheet 2: Evaluating Functions
For this function worksheet, learners evaluate sums, estimate the area of the region between graphs, estimate the volume of a hemisphere, and use subintervals and the limit definition integrals to evaluate functions. This two page...
Curated OER
Minutes and Hours
In this mathematics worksheet, 1st graders identify about how long it takes to do each task illustrated. Then they do three things that take minutes to complete and three things that take hours to complete.
Curated OER
Estimating Solutions to Word Problems
Learners use estimation to determine the answers to word problems by rounding whole numbers. In this estimation lesson plan, pupils compare and contrast solutions using the best answer.
Curated OER
Decimals: Collaborative Lesson
Learners explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Learners collaborate with...
Curated OER
Piggy Pockets
Second graders determine when estimates and exact totals are appropriate in dealing with money. They simulate keeping a checking account over a period of time and keep a checkbook ledger to record deposits and expenses.
Curated OER
ng Data: Probability, What's in the bag?
Young scholars use the language associated with probability to discuss events including those with equally likely outcome. They collect data from a simple experiment and record in a frequency table: estimate probabilities based on this...
Curated OER
Evaporation Pans & Related Rates
Students calculate evaporation rate using differential equations. In this calculus lesson, students explain how pan evaporation works. They complete a worksheet to sum up the lesson.
Curated OER
Estimating With Fractions
Students explore fractions. In this fraction lesson, students estimate fractions and estimate sums of fractions. Students work with technology to develop math fluency.
Curated OER
Estimation and Addition Worksheet
In this estimation and addition worksheet, students complete 3 different sections with 6 questions in total. The first section asks students to do addition using the British pound. The second asks them to estimate and then calculate...
Rational Number Project
Initial Fraction Ideas Lesson 18: Overview
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
Curated OER
Estimating and Rounding
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Curated OER
Probability Games and Activities, Unit 10
Looking for tangible ways to practice probability with your class? Through 4 activities, learners practice with experimental probability, using math to make educated guesses, then testing it through physically completing the experiment....
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
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