Curated OER
Carbon 14 Dating, Variation 2
Your archaeologists begin this task with a table of values to estimate the time passed based on the half-life of Carbon 14 remaining in a plant. They then move on to find when a specific amount of Carbon 14 is present in the same plant,...
Curated OER
Profit of a Company
Your business executives choose which of three equivalent forms of a quadratic equation is the most useful for finding various pieces of information in this task centered on a company's profits.
Noyce Foundation
First Rate
Explore distance and time factors to build an understanding of rates. A comprehensive set of problems target learners of all grade levels. The initial problem provides distance and time values and asks for the winner of a race. Another...
Curated OER
Triangle Series
Your algebra learners emphasize the"geometric" in geometric series as they use a common ratio between algebraic terms and find that it corresponds to a repeated similarity transformation.
Mathematics Vision Project
Similarity and Right Triangle Trigonometry
Starting with similar triangles and dilation factors, this unit quickly and thoroughly progresses into the world of right triangle features and trigonometric relationships. Presented in easy-to-attack modules with copious application...
Howard Hughes Medical Institute
What van Leeuwenhoek Saw
When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....
Curated OER
Humongous Vegetables
Humongous vegetables can inspire and awaken your mathematicians to the large math concepts in our Common Core standards. What is the secret to growing such gargantuan garden objects in Alaska? In the state that is closest to the...
Concord Consortium
Squares and Cubes
The task is simple, but the solution is a little more complex. Learners must find the smallest number that results in a perfect square when multiplied by two and a perfect cube when multiplied by three. The task requires an analysis...
Pennsylvania Department of Education
What is the Chance?
Fourth and fifth graders make predictions using data. In this analyzing data instructional activity, pupils use experimental data, frequency tables, and line plots to look for patterns in the data in order to determine chance. You will...
Curated OER
Common Monomial Factors
In this algebra instructional activity, students identify common monomials. They factor polynomials and simplify equations. There are 2 questions with an answer key.
Curated OER
Challenge: Prime Numbers
In this exploring prime numbers worksheets, learners use the definition of prime numbers to solve 4 problems, then list prime and composite numbers from 2-18.
Curated OER
Factoring Trinomials
In this factoring trinomials worksheet, 9th graders solve and complete 18 different problems that include identifying the product and sum of numbers. First, they factor the GCF from each group of numbers and complete. Then, students...
Curated OER
Division of Monomials
Young scholars relate the division of monomials to multiplication. In this division of monomials lesson, students divide monomials by factoring and dividing common factors from the originals. They check their answers by multiplication....
Curated OER
Euclidean Algorithm
Learners are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
Curated OER
Practice With Complex Fractions
For this math worksheet, students find the solutions to the complex fractions. They practice finding the common denominators for each part of the rational expression.
Curated OER
Find Factors Worksheet
In this math worksheet, students find factors they can multiply to equal the products given. All products are below 100. Some of the products are prime numbers. There are no examples given.
Curated OER
Finding LCM
In this finding LCM worksheet, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
Curated OER
Adding and Subtracting Fractions
In this adding and subtracting fractions worksheet, young scholars solve 5 sets of problems related to the adding and subtracting of fractions. First, they identify that each fraction has a common denominator and then simplify by adding...
Curated OER
A Geometry Worksheet - Similar Triangles
In this similar triangles activity, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Curated OER
Planetary Alignments
In this planetary alignments worksheet, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
Curated OER
Prime Factors
In this prime factors worksheet, learners solve and complete 20 different problems related to prime factors of various numbers. They determine the factors for each given number by multiplying various numbers together to get another number.
Inside Mathematics
Quadratic (2006)
Most problems can be solved using more than one method. A worksheet includes just nine questions but many more ways to solve each. Scholars must graph, solve, and justify quadratic problems.
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and...
Texas Instruments
Factoring and Solving Quadratic Binomials
Here is a TI-Navigator™ activity that allows students to review the concept of factoring and solving quadratic binomials, including a connection to graphical solutions. They enter a number such as -2 using the minus key and not the...