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Curated OER
Estimating With Decimals
In this math learning exercise, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed learning exercise.
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.
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...
Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Curated OER
Math Word Problems
In this math worksheet, students look for the answers to the word problems. They use reading and critical thinking skills to do the appropriate operation.
Curated OER
Understanding Celsius
Student read both Celsius and Fahrenheit temperatures on thermometers. They covert the temperatures and write poems to show understanding.
Curated OER
Thunderstorms
Fourth graders examine the attraction between two different charges to investigate lightning in a thunderstorm. They complete an experiment and a worksheet.
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.
Curated OER
Finding Addition Patterns
Learners practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
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...
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
Introduction to Spreadsheets
Sixth graders utilize Excel or other spreadsheet software to create both text and numerical valued columns to produce a Christmas or birthday wish list. They study the difference between text and numerical values for column use and...
Curated OER
Comparison of Two Different Gender Sports Teams - Part 1 of 3 Measures of Central Tendency
Students gather and analyze data from sports teams. In this measures of central tendency lesson, students gather information from websites about sports team performance. Students analyze and draw conclusions from this data. This lesson...
Curated OER
Decimals: Collaborative Lesson
Students 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. Students collaborate with...
Curated OER
Dream Car Math
Students collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
Curated OER
Addition Words Alphabetical Order
In this alphabetical order worksheet, students read 12 words pertaining to addition. Students put the words in alphabetical order.
Curated OER
Decimals Vocabulary Matching
In this decimal vocabulary worksheet, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Estimate Sum, Difference
Complete this step by step lesson to estimate the sum and difference then test yourself.
ClassFlow
Class Flow: Estimating Sums and Differences
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Subtraction
[Free Registration/Login may be required to access all resource tools.] Subtracting decimals with and without rounding
Mangahigh
Mangahigh: Number: Estimation
Estimate the sum and difference by rounding whole numbers and decimals.