Illustrative Mathematics
Calculations with Sine and Cosine
Practice makes perfect and perfecting those trigonometric functions are vital in trigonometry. The task requires evaluating cosine and sine values at common degree measures before looking at the results. Is there a pattern when the...
EngageNY
Ptolemy's Theorem
Everyone's heard of Pythagoras, but who's Ptolemy? Learners test Ptolemy's Theorem using a specific cyclic quadrilateral and a ruler in the 22nd installment of a 23-part module. They then work through a proof of the theorem.
Polar Trec
Polar Detectives: Using Ice Core Data to Decode Past Climate Mysteries
How does examining an ice core tell us about weather? Learners set up and explore fake ice cores made of sugar, salt, and ash to represent historical snowfall and volcanic eruptions. From their setups, scholars determine what caused the...
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
Perfect Squares and Factoring
In this perfect squares and factoring learning exercise, students solve and complete 26 different problems that include a number of polynomials. First, they determine whether each trinomial is a perfect square trinomial and factor if...
Curated OER
Perfect Squares
In this perfect square worksheet, students are asked if the numbers up to 3 digits are perfect squares and they answer yes or no. Students complete 8 problems.
Curated OER
Addition Square #2
In this addition learning exercise, students fill in the missing numbers to complete 5 addition squares. Students add across and down, filling in the addends.
Curated OER
Number Patterns: Square and Rectangular Numbers
Young scholars explore number patterns. In this number pattern lesson, students discover the attributes of square and rectangular numbers as well as the number patterns associated with them. Young scholars complete worksheet...
Curated OER
Division Magic Squares
In this division magic squares worksheet, student look at the example and complete 8 magic squares according to directions.
Curated OER
Find the Radius of the Smallest Circle that Contains the Figure
In this geometry worksheet, learners calculate the radius of the smallest possible circle that contains the figure provided. The complete solution is provided by clicking on the "show solution" button found below the problem.
Curated OER
Geometry: Practical Applications of the Distance Formula
Students, working independently and in groups, apply the distance formula to practical situations. After solving various problems, students in pairs design coordinate planes from the school blue print to measure the distance from the...
Curated OER
Worksheet 13: Clothes, Shapes, Parts of the Body
In this clothing words learning exercise, students analyze 5 picture clues and sentences, and for each, cross out the word that is incorrect in each set of parentheses. Each picture/sentence pair pertains to shapes or articles of clothing.
Curated OER
Economic Choices for Exploring the Fronteir
Fourth graders explain the hardship of economic limitations in Westward Expansion . They describe the effects of fluctuations in supply and demand. They put themselves in the place of pioneers hoping to build a homestead.
Curated OER
The Lady With The Alligator Purse
In this "The Lady With the Alligator Purse" worksheet, learners complete multiple worksheets to trace the words in the short story, use alligator purse squares to add one-digit problems and doctor rectangles to subtract, draw hands on...
Curated OER
Swat The Spot
Students practice beginning letter/sound association. In this beginning letter/sound lesson, students listen to a reading of Potluck by Anne Shelby while identifying the sounds that are associated with the beginning letters of words in...
Curated OER
Galileo's Battle for the Heavens
Learners view a video about Galileo's discoveries. They work together to create graphs showing the current sunspot cycle. They discuss how sunspots can cause communication devices problems.
Curated OER
The Travels of Marco Polo
In this social studies reading comprehension worksheet, students read a page long detailed biography of Marco Polo. Students complete 12 multiple choice questions and one essay.
Curated OER
Polynominoes
In this polynominoes worksheet, students solve 9 different types of polynominoes problems. First, they identify that a polynominoe is a polygon made from squares of the same size and connected to each square. Then, students determine how...
Curated OER
Area and Volume
What is the difference between area and volume? Have your charges build models of square centimeters, square inches, square feet, square meters, etc. It's definitely challenging, but there is no better way to learn than by trying...
Curated OER
Factoring Polynomials 4
This is worksheet that reviews factoring of binomials, trinomials, and a few four-term polynomials. Some problems require more than one step to completely factor. Answers are not provided.
Curated OER
Factoring Polynomials 5
More practice of factoring binomials, trinomials, and a few four-term polynomials is provided on this worksheet. Some problems require more than one step to completely factor. Answers are not provided.
Curated OER
Digger and the Gang
Help online friends Digger and Sprat from the BBC series to solve math problems! In a series of activities, your class will use data sets to calculate measurements, averages, means, and probabilities. The class completes worksheets and...
Curated OER
Vocabulary Square
Examine the use of vocabulary squares to aid in reading comprehension. Assessment and graphic organizer included.
Curated OER
The Pythagorean Theorem Lesson 2
Learners discuss and review examples of the Pythagorean Theorem using a GSP, Geometer's Sketchpad, activity.