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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...
Noyce Foundation
Toy Trains
Scholars identify and continue the numerical pattern for the number of wheels on a train. Using the established pattern and its inverse, they determine whether a number of wheels is possible. Pupils finish...
Curated OER
Place Value, Addition, and Subtraction
In these math review worksheets, students complete several addition, subtraction, and place value problems. Students complete 17 problems.
Curated OER
Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Curated OER
Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Estimating
In this estimating worksheet, students solve 6 different problems that include some form of estimation in each. First, they define estimate as a way to round their answers sensible and carry out the calculation by hand. Then, students...
Curated OER
Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
Curated OER
Estimating With Decimals
In this math worksheet, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed worksheet.
Curated OER
Estimating Products
In this math worksheet, students round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
Curated OER
Estimation: Compatible Numbers
In this estimation worksheet, students read real word problems and mentally estimate answers. Individually, they complete eight multiple choice problems using compatible numbers or rounding to determine their answers. Students evaluate...
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
In this estimating products activity, 5th graders round numbers to find an estimate of the product. Students are to estimate by finding a range.
Curated OER
Estimation and Computation
Second graders practice their estimation skills using blocks. In this math instructional activity, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the instructional activity to reinforce new...
Curated OER
Comparing Fractions
Students use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
Curated OER
Estimating Quotients
In this estimating quotients worksheet, 4th graders estimate the quotient in 12 math problems and write the numbers they used on the lines provided.
Curated OER
It's Sugar Time!
Fifth graders examine how good health depends upon many things, including heredity, lifestyle, personality traits, mental health, attitudes, and the environment.
Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Curated OER
Grocery Races
Fifth graders apply their knowledge of math in a grocery shopping trip. For this math lesson, 5th graders use addition, subtraction, multiplication and division to help them with their shopping. The teacher sets up a mock supermarket in...
Curated OER
The Right Time
Middle schoolers compute and estimate using mental mathematics, paper-and-pencil methods, calculators, and computers. They measure and compare quantities using appropriate units, instruments and methods. They utilize worksheets imbedded...
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Helping with Math
Solving Equations with Two-Stepping! (2 of 4)
Multi-step problems are part of the progression when learning to solve equations. These 12 problems require only two steps to arrive at an answer. Either print the page out to assign as homework, or have learners write down the problems...