Lesson Plan
Curated OER

Geometric Sequences and Series

For Teachers 9th - 12th Standards
Learn to calculate the nth term of a sequence defined by an algebraic expression. They examine geometric sequences and series, relate geometric sequences to their explicit forms, find the partial sums of a sequence in a table, and...
Lesson Plan
Curated OER

Opposite Angles in a Cyclic Quadrilateral

For Teachers 9th - 12th Standards
Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows high schoolers to form and verify...
Worksheet
Math Mammoth

Triangles 1

For Students 5th - 9th
For this triangles worksheet, learners measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
Worksheet
Curated OER

Problem Solving Strategies

For Students 7th - 8th
In this problem solving strategies learning exercise, students solve and complete 5 different word problems that include logic and the process of elimination. First, they determine the number of questions asked to determine a selected...
Worksheet
Curated OER

Make 19

For Students 3rd
In this addition worksheet, 3rd graders figure out and put in the missing numbers in 8 addition problems, so each of the sums in the boxes add up to 19. Students write down all the pairs of numbers with a total of 19 and solve 5...
Worksheet
Curated OER

Angle Bisectors

For Students 10th
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
Worksheet
Curated OER

Pascal's Penguins

For Students 1st - 3rd
For this addition worksheet, learners fill in the numbers inside 7 penguins by adding together the 2 penguins right above each one. Students figure out the sums for each penguin with Pascal's triangle.
Worksheet
Curated OER

One-Digit Addition, No Regrouping (B)

For Students 1st - 3rd
In this addition activity, students find the sums by adding one-digit numbers without regrouping. Students solve 64 problems.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (F)

For Students 3rd - 4th
In this adding and subtracting decimals and whole numbers worksheet, learners find the sums and differences of tenths. Students solve 32 problems.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (E)

For Students 3rd - 4th
In this adding and subtracting decimals and whole numbers worksheet, students find the sums and differences for the decimal tenths. Students solve 32 problems.
Worksheet
Curated OER

Addition: Four In a Row Game

For Students 1st - 3rd
In this finding the sums game worksheet, learners add one-digit numbers plus one-digit numbers to be the first to solve four in a row. Students solve 25 problems.
Lesson Plan
Curated OER

Solving Problems

For Teachers 2nd
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
Worksheet
Curated OER

Too gross! Addition Tricks with Derivatives

For Students 11th - 12th
In this calculus worksheet, students evaluate derivatives by playing a game. They pick 4 different derivatives to evaluate and find the sum of the solved derivates to find a number that is gross. There are 12 questions to choose from.
Lesson Plan
Curated OER

Triangle Island

For Teachers 9th - 12th
Students calculate the altitude of triangles.  In the web based lesson plan, students explore the interior distance from a given point in a polygon to its side.  They compute the sum of these lengths. Students read life...
Worksheet
Curated OER

Addition and Subtraction Facts With Six

For Students 2nd
For this computation worksheet, 2nd graders write the four fact families where the sum equals six. Students also solve six subtraction problems that involve the number six.
Lesson Plan
Curated OER

Right Triangles

For Teachers 7th - 8th
In this right triangles worksheet, students solve and complete 2 different types of problems. First, they take the case of an isosceles right triangle with a given leg and hypotenuse. Then, students find the sum of the squares of the...
Lesson Plan
Curated OER

Cubes, Sums and a Little Fun

For Teachers 1st
First graders, with partners, create and solve math problems using number and unifix cubes.
Lesson Plan
Curated OER

Reading to Learn: Sum it Up!

For Teachers 2nd - 4th
Young scholars practice summarizing texts they are reading to aid in their understanding of what they have read. After learning the steps involved in summarizing a text, students practice the five basic steps used in summarization.
Lesson Plan
Curated OER

Estimation 2: Sum and Difference

For Teachers 6th - 7th
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...
Worksheet
Curated OER

Addition Sums Super Facts 3

For Students 4th - 6th
For this addition worksheet, students solve 36 problems by providing correct computations illustrating their understanding of the concept.
Worksheet
Curated OER

Addition Sums Super Facts 5: Addends 1 to 10

For Students 4th - 6th
In this addition instructional activity, students solve 36 problems by providing correct computations illustrating their understanding of the concept.
Worksheet
Curated OER

Addition Sums Super Facts 2

For Students 2nd
In this addition worksheet, 2nd graders will focus on single digit addition. Students will complete 36 problems using addends 1 through 10.
Worksheet
Curated OER

Addition Sums Super Facts 4

For Students 1st - 3rd
For this addition worksheet, students solve 36 addition problems dealing with a variety of single and double digit numbers (addends 1 to 10).

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