Curated OER
The True Value of Sweets
Measure your pupil's learning in a instructional activity designed to explore decimals by weighing different candies on a scale and recording the weight. Small groups then compare and order the decimal weights on a number line to show...
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Exploring Place and Space
Young scholars explore number values by completing mathematical worksheets in class. For this decimals lesson, students identify the different place values a number has and the use of decimals to represent a fraction of a number. Young...
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Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Curated OER
Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
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In Round Numbers
Young scholars explore the concept of rounding. In this rounding activity, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Young scholars round fractional numbers to the nearest...
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and further...
EngageNY
Decimal Expansion of Pi
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges.
Curated OER
One Vs. One Hundred
Students explore the concept of place value. They differentiate between digits and their values as it related to addition and subtraction. Through the use of technology and manipulatives students investigate the place value of digits by...
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How Many Thousandths Are in Your Box?
Young scholars identify the different place values. In this algebra lesson, students represent decimal place values with manipulatives. They identify the correct place value using commas and mathematical reasoning.
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Scientific Notation
Learners explore the concept of expressing numbers in scientific notation. In this scientific notation instructional activity, students understand the importance of using scientific notation by finding real world examples where...
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Questioning NASA
Space science and math collide in this inquiry that investigates launching times for antacid-tablet rockets! Upper elementary or middle school learners collect data as they launch these mini rockets. They apply concepts of place value...
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Comparing Irrational Numbers
Build on your classes' understanding of irrational numbers by comparing their values. The 13th instructional activity in the 25-part module has individuals estimate values of both perfect and non-perfect roots. They finish by graphing...
Curated OER
Bits and Pieces I
Sixth graders examine making smaller parts out of fractions and decimals. For this online interactive fractions, decimals, and percents lesson, 6th graders represent fractions with denominators of ten. Students then represent powers of...
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Infinite Decimals
Can you support the argument that the decimal 0.99999 ... is equivalent to the number one? The seventh installment in this 25-part module gives convincing support for this conclusion. Pupils write infinite decimals using powers of 10....
Curated OER
I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
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Patterns with Decimals
Fifth graders are given a set of manipulatives to use to develop patterns. In groups, they follow the directions to determine which blocks go with which pattern and put them into the correct sequence. To end the lesson plan, they...
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Rational and Irrational Numbers
Back to the basics: learning how to add numbers. The 17th installment of a 35-part module first reviews addition techniques for rational numbers, such as graphical methods (number line) and numerical methods (standard algorithm). It goes...
Curated OER
Compounding with a 5% Interest Rate
The balance in an account continuously compounding interest is the context of this engaging task. Your young accountants will investigate the ending balance in an account as they compound the interest more and more. Learners write the...
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Light Beam
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
Curated OER
Living in Base Ten
Middle schoolers explore scientific notation and the structure of the metric system. In this middle school mathematics lesson, students read How Much is a Million? by David M. Schwartz to introduce middle schoolers to the need for...
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Approximate Solution to an Equation
Learners solve equations through trial and error. In this algebra lesson plan, students first estimate their answers and then calculate it to check their work. They solve problems involving roots and integers.
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Pythagorean Theorem
Students solve problems using the Pythagorean Theorem. In this geometry lesson, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
Curated OER
The Binary Counter Circuit
Students count from 0-99 using the binary number system. In this algebra lesson, students problem solve by working with faulty circuits and applying their knowledge f Binary Numbers. They work in team to create a solution.
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Applying Tangents
What does geometry have to do with depression? It's an angle of course! Learners apply the tangent ratio to problem solving questions by finding missing lengths. Problems include angles of elevation and angles of depression. Pupils make...