Curated OER
Estimation: Compatible Numbers
In this estimation worksheet, learners 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...
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The Right Time
Students 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 in this...
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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.
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Let's Take a Trip!
Sixth graders plan a trip for a family of four choosing their travel plan by studying maps to decide upon a route and visiting Websites to get airline and travel schedules. They use ratios and proportions as well as converting fractions...
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Balancing Act
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry activity, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
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Calculator
In this mathematical calculations worksheet, 4th graders complete 12 multiplication problems by using a calculator. Students also develop an estimate for these problems.
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Estimating School Store Purchases
Students examine uses for estimating, and round purchase prices to estimate total purchases in a simulated school store setting. They discuss what it means for an item to be on sale, and observe the teacher work through the process of...
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Area: It's What's on the INSIDE That Counts!
Second graders participate in a series of hands-on, online and multimedia activities that examine the concept of area. They view clips from the animated series Math Monsters and discuss the purpose of area and how it is used in the real...
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Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
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Graph and Compare the Adventure's Temperature Vs. Local Temperature
Learners explore the concept graphing data. In this graphing data lesson, students use weather data from their local weather and some other city and graph them. Learners plot the local weather vs. another city. Students record...
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Give Me The C and D Canal!!!
Students estimate the distance from Baltimore to Philadelphia via the water route before the Chesapeake and Delaware Canal was built. Students study canals and how transportation and economic necessities dictate the building of a canal.
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Circles and Clocks, Shapes and Time
Learners work in groups to research clocks and practice telling time. In this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....
Math Mammoth
Rounding
In this math activity, learners solve the problems that are based upon the skill of rounding. The answers are written into one of the 4 sets.
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Coin Carnival
Students investigate the value of coins. In this coin value lesson plan, students read The Penny Pot by Stuart Murphy. Students expand on skills learned in the book and engage in activities to determine the value of a mixed set of coins...
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Fraction Decimal Challenge
Pupils explore the concept of fractions and decimals as they try to find as many fractions as possible that are equivalent to .25. Learners use their calculator to take screen shots and send them to the teacher via Ti-Navigator. They...
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Data Scavenger Hunt
Eighth graders discuss how data is collected and participate in data collection through a survey. They complete a scavenger hunt on the Internet to gain understanding of the data measures mean, median, mode, and range.
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Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
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Shadow Ball
Students view a film about baseball and calculate the time required for a variety of operations that take place in baseball. They use the calculations to stage a credible game of Shadow Ball and reflect on the challenges for arranging...
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BASE-ic Space Travel
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
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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...
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The Take-Awar Bar 1
Students use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...
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Estimating Prices
Learners practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Learners practice using metal computations to arrive at estimates.
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Puzzling Perimeters
Third graders use estimation, fractions and decimals to determine the perimeter of objects in the classroom. They are given a worksheet with a list of the items on it. The worksheet has columns beside each of the items for estimation and...
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Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...