Hi, what do you want to do?
Curated OER
Estimate Products
In this estimating products worksheet, students interpret data on the yearly diets of the average American, then solve 6 word problems where they must estimate products by rounding the larger factor to its greatest place value.
Curated OER
How Tall is that Tree?
Students apply their math skills to develop an accurate estimate of the height of a tall tree. Three different methods are outlined. All grade levels should be able to perform the shadow method and the proportional method.
Curated OER
Make Me Metric
Sixth graders explore standard and nonstandard measurement. In this measurement lesson, 6th graders estimate the lengths of different objects and write about their observations during measuring. Students work in groups to...
Curated OER
Weight Game
Students estimate and compare grapefruit weights. In this weight measurement and literacy lesson, students listen to the story Nate's Big Hair and the Grapefruit in There, then estimate the weight of a grapefruit after holding it....
Curated OER
When Life Serves You Lemons!
Students build their own lemonade stand. In this problem solving lesson, students measure the materials needed to build a stand and make lemonade. They find the cost of producing the lemonade and the profit they will make.
Curated OER
Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to purchase and estimate...
Math Mammoth
Mental Math in Percent Problems
For this math worksheet, students are given 21 percentage problems which they are to work out mentally. There are story problems, tables and simple conversion.
Curated OER
Rock Hunters
Students observe rocks of various types and sizes and record these observations through drawings. They gather rocks, measure, classify, observe, describe and record their collection.
Curated OER
Shopping for Candy
Students explore counting money. In this money counting and gingerbread house construction lesson, students use a calculator to determine how much and what type of candy they can buy given 25 cents. Students construct gingerbread...
Curated OER
What Temperature Is It?
Students answer the question, What is temperature? In this temperature lesson, students use hot chocolate and ice cubes to measure temperature with a thermometer (Fahrenheit and Celsius). This lesson includes a student activity...
Curated OER
Estimating with Rational Numbers
Students explore the concept of rounding. In this rounding lesson, students round fractions and mixed numbers. Students estimate the sums, differences, products, and quotients of rounded fractions and mixed numbers.
Pennsylvania Department of Education
Using the Coordinate Plane in Problem Solving
Fifth graders practice solving problems. In this fraction and decimal lesson, 5th graders recognize the relationship between fraction and decimals. Students estimate problem results and write expressions to use for problem...
Curated OER
Jelly Bean Egg Challenge
Students each receive a plastic egg filled with jelly beans. In this Jelly Bean Egg Challenge, students estimate and weight their eggs, they count the number of jelly beans inside their egg, they chart their data and compare their data...
Curated OER
Using the Newspaper to Teach Division and Time Conversion
Students use classified ads to select a career. In this math lesson, students convert the listed salary to an hourly, yearly, weekly and monthly rate. Students explain the process they used to find the various rates.
Curated OER
Estimating Products
In this estimating products worksheet, 5th graders round numbers to find an estimate of the product. Students are to estimate by finding a range.
Curated OER
Estimation Station
Students explore estimation and count by tens with Goldfish crackers.
Curated OER
Estimate Quotients: Reteach
For this estimating quotients worksheet, students review how to estimate quotients using compatible numbers. Students then estimate the quotient for the division equations and tell what compatible numbers were used.
Curated OER
Estimation 2: Sum and Difference
In this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Curated OER
Estimating Products: Which is Closer?
In this estimating products activity, 4th graders are given a target number in ten problems, they first estimate which of two equations will yield a product closer to but less than the other, then they multiply both equations.
Curated OER
Rounding and Estimation
In this rounding and estimating worksheet, students learn how to round numbers up and down. They also read about using estimations to quickly calculate answers to difficult math problems. Students then solve the 12 rounding questions in...
Curated OER
Rounding and Estimating
Fourth graders complete math problems through rounding and estimating. They visit a given website where students select answers to increasingly harder problems. Students complete quizzes to estimation problems. Afterwards, they...
Curated OER
Models and Algorithms to Solve Multiplication Problems
Students choose the correct strategy to solve multiplication and division. In this algorithm lesson, students use at least two strategies that use properties of operations and estimation. Students also recognize the relationship between...
Curated OER
Estimation Worksheet
In this estimating worksheet, students solve 9 problems in which they use estimation and calculation to determine the answers. The first 2 sections are dealing with money and the second 2 are not. Students can determine whether their...
Curated OER
Estimate High and Low: Compatible Numbers
In this estimation worksheet, students read about compatible numbers and complete a chart, estimating quotients and determining if estimations were "over or under." Students then answer questions related to the chart.