Curated OER
Measuring Pumpkins and Our World
Students estimate the circumference of a pumpkin. They measure the pumpkin and other school objects, and record the measurements on worksheets.
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
Curated OER
M&M Graphing
Fourth graders name colors of M&Ms and record answers. They estimate number of M&Ms of each color found in a typical package of M&Ms on piece of paper.They record information on sheet of paper and create a spreadsheet. paper.
EngageNY
The Pythagorean Theorem
Class members explore the estimation of irrational numbers in association with the Pythagorean Theorem. The first instructional activity of this module challenges pupils to use the Pythagorean Theorem to find unknown side lengths. When...
Curated OER
Prairie Populations
Eleventh graders practice the Quadrat Survey Technique to analyze the biodiversity of a local plant community. They compare its biodiversity with the documented changes in biodiversity of the tallgrass prairie over time.
EngageNY
Why Worry About Sampling Variability?
Are the means the same or not? Groups create samples from a bag of numbers and calculate the sample means. Using the sample means as an estimate for the population mean, scholars try to determine whether the difference is real or not.
Curated OER
Modeling: Having Kittens
Cats can't add, but they do multiply! Determine the number of descendants of a single cat given specific facts about cats and kittens. The lesson plan focuses on developing strategies for problem solving using both individual and group...
Ohio Department of Education
Word Origins
Understanding a word's etymology can really help with decoding and building vocabulary skills. Readers compare and contrast words of similar origins but with different difficulty levels. They focus on prefixes, suffixes, and affixes....
Virginia Department of Education
How Much is that Tune?
Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.
Virginia Department of Education
Going the Distance
Estimate the value of one of the most famous irrational numbers. The hands-on lesson plan instructs classmates to measure the circumference and diameters of circles using yarn. The ratio of these quantities defines pi.
Curated OER
Decimals: Collaborative Lesson
Pupils 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. Pupils collaborate with...
Curated OER
Menu Planner
Students plan a menu for a family of four for a day. They estimate the cost of purchasing items on that menu based on a $ 50.00 budget and calculate the actual costs of those items and compare the estimated and actual costs.
Curated OER
The Gingerbread Man
For this unit students use the traditional tale of the gingerbread man as a context for ordering and comparing lengths. They compare the length of two objects directly, order three or more objects by length and select objects that are...
Curated OER
Investigation-How Far Can You Jump?
Students explore measurement. In this math instructional activity, students measure how far they can jump using blocks. Students compare the results when different sized blocks are used. Students estimate the distance jumped.
Curated OER
Out of This World
Students are introduced to the solar system and its place in the universe. They begin to grasp the idea of very large numbers by estimating and computing how long it take the class to make a million x's.
Curated OER
Multiplying Decimals
In this mathematics worksheet, 6th graders estimate the product and use an array to help them find the product. Then they find the exact product and locate where to put the decimal point in each.
Curated OER
Too Many Tens
Students practice grouping in different ways by putting numbers up to 1,000 in the correct place value. In this place value lesson plan, students estimate items in a jar and then count them out by grouping them by 10s.
Curated OER
Study Buddies: Multiplying Two-Digit Numbers
In this math homework worksheet, students will solve a 2 digit multiplication problem with parental support. Students will follow a step-by-step process and "Coach's Notes" are provided for the parent helper.
Curated OER
Making Simple Conversions
Young scholars explore the concept of measurement as it relates to equivalencies. They complete simple conversions using visual models of measurement units, and record their answers in a two-column table.
Curated OER
Study Buddies: Dividing by One-Digit Divisors
Fourth and fifth graders learn long division by one digit divisors. They learn the steps: divide, multiply, subtract, compare, bring down, repeat. Pupils solve five problems in a step by step format.
Curated OER
Does Sunlight Effect Leaf Size?
Students make estimates and then measure leaves for accuracy. They calculate the area of the leaves by drawing an outline on graph paper and counting the squares. They compare the leaves exposed to sunlight to those that are in constant...
Curated OER
Operations with Fractions and Decimals
Complete a instructional activity that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web...
Curated OER
Pumpkin Problems
Students participate in a lesson 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. Students question...
Curated OER
Teddy Bears and Friends
Children begin by making direct comparisons between objects and putting a number of objects into order according to length. They are also introduced to measuring with multi-link cubes which allows them to compare objects which cannot be...