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
Estimation and Pattern Discovery
Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
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Around and Across
Tenth graders investigate the circumference and diameter of a circle. In this geometry lesson plan, 10th graders relate circumference to diameter. They create a scatter plot to estimate the value of pi.
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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.
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Units Of Measure
Pupils investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...
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Study Buddies: Dividing by One-Digit Divisors
Fourth and fifth graders learn long division by one digit divisors. They learn the steps: divide, multiply, subtract, compare, bring down, repeat. Pupils solve five problems in a step by step format.
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Calories in a sports drink
How much can a company round numbers without being misleading? Learners investigate the accuracy of claims made by a sports drink company. Teachers could easily modify the activity by bringing in their own beverage bottles, or by taking...
Curated OER
Dividing by Two-Digit Divisors
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn to divide by 2 digit divisors. Students follow the steps to go through the long division process. There are 4 problems.
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Study Buddies- Estimating Products
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...
Math Mammoth
Mental Math in Percent Problems
In this math worksheet, learners are given 21 percentage problems which they are to work out mentally. There are story problems, tables and simple conversion.
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Make a Match
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
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Springbreak Trip
Twelfth graders plan and calculate the cost of taking a specific Spring Break trip, with a certain budget and given set costs. they determine miles traveled, gas costs, hotel expenses, etc.
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Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
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Study Buddies: Adding Decimals
For this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
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Searching for Pattern
In these activities with patterns worksheets, students use the rule for 1- or 2- digit number chains, participate in a round robin tournament, identify rhyming patterns and chain letters. Students answer 15 questions.
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Estimation
Fourth graders view a variety of rice products and calculate their cost. For this rice math lesson, 4th graders estimate cost and multiply to find 8 of each item. Students estimate using different amounts of rice products. Students...
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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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Why Is My Bread Fuzzy?
Students explore the organisms that live on counters or surfaces in the classroom. In this mold experiment, students observe mold in different conditons. Students record their observations on a worksheet. Students understand how...
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Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation instructional activity, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on...
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Vegie Gardening
Learners investigate the concept of Veggie Gardening and develop the plans for a successful yield of crops. They answer some practical questions and then apply the information to the horticulture garden. The project includes finding the...
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Estimating
In this estimation learning exercise, students estimate in word problems and graphs. Students round numbers to help them complete the estimation problems.
Curated OER
Estimating With Decimals
For 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.
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Budget Finances
Students role play the role of a recent graduate of high school living on their own. Using play money, they are given one month's salary and they discover they own their own house or apartment and owe money on a car loan. They develop...
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Mechanical Science - Small Engine Operation
Students experiment with two- and four-stroke engines. They conduct experiments to determine how atmospheric pressure affects the engine's running capability. Further tests are conducted to asses proper llubrication and its affects on...