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Lesson #110 Volumes of Solids of Revolution (Disk Method)

For Teachers 7th - 12th
Students examine volumes of solids of revolution. In this volumes of solids of revolution instructional activity, students use the limit of a Riemann sum to find the volumes of disks or cylinders and a sphere.
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Measuring Angles in a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
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Nature of Roots

For Students 9th - 11th
In this nature of roots worksheet, students solve 10 different problems that include determining the sum and product in each one. First, they determining the sum of the roots in the given equation. Then, students determine the product of...
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Number Search Y4: Make 12

For Students 3rd - 5th
In this number search worksheet, students find and highlight at least 12 addition, subtraction, multiplication and/or division math problems that make the sum of 12.
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Add and Compare enrichment 10.5

For Students 2nd - 3rd
In this addition worksheet, students add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.
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Measuring Angles in a Quadrilateral

For Teachers 9th - 12th Standards
High schoolers explore quadrilaterals in this geometry lesson. They will draw a quadrilateral, measure the angles, and find the sum of the measures of the interior angles using Cabri Jr. The interactive capabilities of Cabri Jr. allow...
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Adding/Subtracting Integers

For Students 7th - 8th
In this integer worksheet, learners find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
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Rational Numbers

For Students 9th
In this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students evaluate...
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Finding a Way

For Students 3rd
In this mental math activity, 3rd graders use mental math to find and solve each missing product, sum and/or difference in each of the 4 paths. Students answer 1 short answer question relating to the paths.
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Angles of a Triangle

For Teachers 9th - 12th Standards
Learners explore the measures of the angles of a triangle in this geometry lesson. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior and...
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Adding and Subtracting Integers

For Students 6th
In this integers learning exercise, 6th graders solve and complete 42 different problems that include adding and subtracting integers. First, they find the sum or difference of each integer. Then, students evaluate each expression for...
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Sums With 9

For Teachers 1st
In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.
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Addition and Subtraction sums and differences

For Students 2nd - 5th
In this sums and differences worksheet, students are given a one digit number and they have to make up the addition or subtraction problem to make it equal to the number. Students complete 36 problems.
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Easter Addition (Sums to 100)

For Students 3rd - 5th
For this addition worksheet, students add integers and place the answer in the egg. All numbers are between 10 and 99. This one-page worksheet contains 25 problems. An answer sheet is included.
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Finding Sums to 6

For Teachers Pre-K - 2nd
Learners explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
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Polygon Sum Conjecture

For Teachers 9th - 10th
Students calculate the sum of the angles of a polygon. In this geometry lesson, students use the interior angle formula of polygon based on the number of sides of the polygon. They identify the missing angle using algebra.
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Sums of 3, 4, and 5

For Students K - 1st
In this basic mathematics worksheet, learners add each of the colored buttons to get their answer. They use addition to solve each of the 16 problems on the sheet.
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Partial Sums

For Teachers 4th - 6th
Students add numbers and represent digits in extended form. In this extended form lesson plan, students complete this with 2 digit addition problems.
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Spin for the Sum Spinner

For Students K - 2nd
In this math worksheet, students create an addition game by cutting out the spinner shape and the arrow and fastening them together. On the spinner are the digits 1-4. There are no directions for the game.
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Missing Addends-Sums with 8 and 9

For Students 1st - 2nd
In this missing addend instructional activity, students fill in one missing addend in a problem in order to arrive at a given sum. All sums equal either 8 or 9. Worksheet has a reference web site for additional activities.
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Subset Sum

For Teachers 9th - 12th
Students explore the concept of exponential growth.  In this exponential growth lesson, students solve a problem about ensuring fairness in a Tug-of-War.  Students determine which students should be on a team to ensure that...
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Sums of 10

For Students 1st - 2nd
In this addition instructional activity, students solve a total of 50 problems adding 10 to 1-digit numbers. A website reference for additional resources is given.
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Addition Sums Less than 30: Addends 10 to 15

For Students 2nd - 5th
In this addition worksheet, students solve 20 problems in which they add 2 numbers together. The addends are between 10 and 15 and the sums are all less than 30.
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Count the Sums

For Students K - 1st
In this finding the sum activity, students count the objects and add the numbers to problem solve. Students solve 8 problems.

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