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Worksheet
Curated OER

Greatest Common Divisor

For Students 5th - 6th
In this math worksheet, students learn to find the greatest common divisor of two numbers. Students read and study the information and examples before solving 10 problems.
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Worksheet
Curated OER

LCM-Factor Trees

For Students 4th - 6th
In this LCM learning exercise, students use work space provided to create factor trees and find the LCM of sets of numbers. Answers are included on page 2.
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Worksheet
Curated OER

Find Factors Worksheet

For Students 3rd - 4th
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.
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Lesson Plan
Curated OER

The Five Number Game

For Teachers 3rd - 5th
Learners explain what it means to square numbers. They explain what it means to cube numbers. Students define prime numbers using their own language. They are introduced to the problem by playing one game as a class.
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Worksheet
Curated OER

Reducing Ratios

For Students 5th - 6th
In this reducing ratios worksheet, learners reduce or simplify 8 ratio expressions by finding common factors for the two numbers.
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Lesson Plan
1
1
EngageNY

The Special Role of Zero in Factoring

For Students 10th - 12th Standards
Use everything you know about quadratic equations to solve polynomial equations! Learners apply the Zero Product Property to factor and solve polynomial equations. They make a direct connection to methods they have used with quadratic...
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Lesson Plan
2
2
EngageNY

Mastering Factoring

For Students 10th - 12th Standards
Math class is full of drama—there are so many problems to work out! Pupils work out factoring problems. They use quadratic methods of factoring higher degree polynomials, in addition to factoring the sum and difference of two cubes. 
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Lesson Plan
PBS

Add, Subtract and Multiply Fractions

For Teachers 4th - 6th Standards
Your future chefs will appreciate this comprehensive instructional activity where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a...
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Assessment
Noyce Foundation

Baseball Players

For Students 6th Standards
Baseball is all about statistics. Pupils solve problems related to mean, median, and range. They calculate the total weight of players given the mean weight, calculate the mean weight of reserve players given the mean weight of the...
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Lesson Plan
Illustrative Mathematics

Calculator Trouble

For Teachers 4th - 6th Standards
When is not solving the expression the correct answer? When you are checking the understanding of a math concept that is not number dependent. The real question being asked here is to look at the initial number, fraction, mixed number,...
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Lesson Plan
EngageNY

Properties of Dilations

For Teachers 8th Standards
Investigate dilations to learn more about them. The second segment in a series of 16 provides a discussion of properties of dilations by going through examples. The problem set provides opportunities for scholars to construct dilations.
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Lesson Plan
Pennsylvania Department of Education

What is the Chance?

For Teachers 4th - 5th Standards
Fourth and fifth graders make predictions using data. In this analyzing data lesson, pupils use experimental data, frequency tables, and line plots to look for patterns in the data in order to determine chance. You will need to make a...
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Lesson Plan
Curated OER

Carbon 14 Dating, Variation 2

For Teachers 9th - 12th Standards
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,...
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Assessment
Concord Consortium

Squares and Cubes

For Students 9th - 10th Standards
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 of...
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Activity
Education Development Center

Anita's Way to Add Fractions with Unlike Denominators

For Teachers 5th - 6th Standards
Could you develop your own way to add fractions with unlike denominators? An in-depth task has scholars examine a fictional conversation between several people in which they discuss a method of adding fractions with unlike denominators....
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Worksheet
Curated OER

Factoring Trinomials

For Students 9th
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...
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Lesson Plan
Curated OER

Arithmetic Complex Numbers

For Teachers 10th - 11th
Students convert quadratic functions from standard form to vertex form. In this algebra lesson, students solve polynomials using synthetic and long division. They derive and apply the remainder theorem and factor theorem.
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Lesson Plan
Curated OER

Euclidean Algorithm

For Teachers 9th - 12th
Students 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.
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Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th - 11th
In this rational expression activity, students add and subtract fractional expressions. They completely factor the numerator and denominator. Explanations and examples are provided at the beginning of the document. This two-page...
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Worksheet
Curated OER

Planetary Alignments

For Students 8th - 10th
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.
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Interactive
Curated OER

SAT Grid Practice Test 07

For Students 10th - 12th
In this practice test worksheet, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page worksheet contains ten multi-step problems.
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Handout
Math Centre UK

Fractions

For Students 3rd - 5th Standards
Reinforce fraction instruction with an informative worksheet equipped to provide independent practice, as well as guidance and modeling. Support is provided to boost proficiency in finding equivalent fractions, and adding, subtracting,...
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Assessment
1
1
Inside Mathematics

Two Solutions

For Teachers 9th - 12th Standards
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
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Worksheet
Curated OER

Renaming Fraction

For Students 4th - 5th
These improper fractions need to be renamed, and young mathematicians are guided through the process to simplify 36 of them here. They change each to a mixed number, sometimes simplifying further to get the fully reduced form. There are...