Curated OER
Explore: Finding Averages
In this mathematics worksheet, 6th graders find the mean of a given set of numbers. Then they find the sum of the items in the set. Students also check their work by multiplying the mean by the number of items in the set.
Curated OER
Skip it to multiply it
First graders make sensible estimates and check the reasonableness of answers.
They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
Curated OER
How Close Is Our Estimate?
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
Curated OER
Map Studies - Estimate And Measure Distance
First graders explore estimating and measuring distances. They analyze and discuss a map of New York State, make estimations, measure distances using yarn, and calculate total distances between cities on the map.
Pennsylvania Department of Education
Using Manipulatives with Fractions
Students are introduced to the concept of using manipulatives when working with fractions in real life situations. In this using manipulative with fractions lesson, students make connections about when manipulatives aid in calculating...
Curated OER
Numbers Up
Students use Legos to build representations of a variety of numbers. They then sort and order their representations and pair them with the written number.
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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Rational, Irrational and Square Roots
Seventh graders identify rational and irrational numbers and then, estimate the square root of numbers that are not perfect squares. They then identify what the radical is and differentiate between that and a division symbol clearly....
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
Percents Less Than One and Greater Than 100
Sixth graders express numbers as percents greater than 100 and less than one. In this lesson on percents, 6th graders work in groups with real life scenarios to develop an understanding on percentages greater than 100 and less than one....
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
Where's the Water? Stream Side Science
After a whole-class discussion of water reservoirs, ten liters of water are given to each lab group to represent Earth's total amount of water. They divide the water into smaller containers, each representing one of those reservoirs. The...
EngageNY
Building Logarithmic Tables
Thank goodness we have calculators to compute logarithms. Pupils use calculators to create logarithmic tables to estimate values and use these tables to discover patterns (properties). The second half of the lesson has scholars use given...
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
Operations with Fractions and Decimals
Complete a lesson plan 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 sources, and...
Curated OER
In the Ballpark
Middle schoolers practice estimation skills with the video series "Interactions: Real Math, Real Careers". They complete a hands-on activity for estimating large numbers.
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
Estimating With Decimals
How can we estimate the answers when working with decimals? That's what the question is as the class reviews two-digit decimal addition. Have them estimate by rounding to a whole number either before or after they have completed their...
Curated OER
Capture/Recapture
Students use proportions to estimate the size of populations. They describe the data with using a graph or table of the estimate. Students use descriptive statistics to calculate mean, median, and mode. They also compare and contrast an...
Curated OER
Louisville's Best Field Day Park
Students create a survey to hand out to determine the best field day park. Using their local area, they select five parks, if possible, that meet the criteria and calculate the distance and estimated time travel. They use this...
Curated OER
Relating Fractions and Decimals
Sixth graders identify how fractions and decimals both illustrate parts of a whole. They estimate which number is greater by comparing them to the given fraction and use greater than or less than symbols for each.
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
Counting Seeds
Students practice skip counting strategies, estimation, and higher number addition. They estimate the number of seeds in bell pepper, and count seeds in groups of tens and ones after the teacher removes seeds from the pepper.
Curated OER
Estimation & Central Tendency
Eighth graders view pictures that show many objects, estimate amount that they think they saw, and take class data from estimation to find the mean, median, mode, and range for the class.
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