Curated OER
Prime Numbers
Prime numbers are the focus of this math learning exercise. Students follow directions to identify prime numbers on a hundreds chart. Students follow clear directions in order to find a total of 25 prime numbers on the chart.
Curated OER
Prime Numbers
In this identifying prime numbers from one to fifty worksheet, students review prime numbers and color the prime numbers on the chart. Students color 15 answers.
Helping with Math
Factors With Prime and Composite Numbers (1 of 2)
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this worksheet off of the website, but it does not fit neatly onto one page. Consider projecting it on your class screen...
Curated OER
Number Theory Worksheet 2: The Sieve of Eratosthenes
In this primes and multiples instructional activity, students follow the directions to circle primes and multiples on a hundred chart until all prime numbers from 1 to 100 are circled. This is called the Sieve of Eratosthenes.
Curated OER
Counting From 1 to 20
Children are given a mixed up number chart 1-20, and are asked to sort out all the even, odd, prime, and composite numbers. This worksheet is intended for 2nd grade but may not be suitable for learners under 10 or those who have not yet...
Helping with Math
Factors with Prime and Composite Numbers (2 of 2)
Ten two-digit numbers are listed for fourth graders to factor. Once they have factored each, they circle whether the original number is prime or composite. If you click on the "Print Worksheet" button, the printable spreads the problems...
Curated OER
Primes and Triples
In this primes worksheet, learners list three triples that are generated by formulas. They explain how to generate these formulas and discuss the Pythagorean Triples. This one-page worksheet contains one multi-step problem.
Curated OER
Number Theory Worksheet 2: The Sieve of Eratosthenes
in this number theory worksheet, students use the Sieve of Eratosthenes to find all primes up to the number 100. Students follow the directions to circle primes and multiples on the hundred chart.
Curated OER
Data Management and Probability: Applications
For this data management and probability applications worksheet, 8th graders solve 20 various types of probability problems. They find the mean, median, mode and range of various numbers. Then, students use the spinner illustration to...
Curated OER
Counting from 1-20 - Odd and Even Numbers
For this number recognition worksheet, 2nd graders examine a number chart that includes the numbers 1- 20. They record all of the even numbers on one line, and all of the odd numbers on a second line.
Curated OER
Finding All Those Prime Factors
In this algebra worksheet, high schoolers complete a chart that finds the prime factors, prime factorization, and writing them with powers as well as interpret the chart. There 16 questions.
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this learning exercise walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and how to...
K12 Reader
Eratosthenes: Geographer and Mathematician
Mathematicians can be famous, too! Introduce your class to Eratosthenes with a reading passage. After they complete the passage, learners respond to five questions, some of which require opinions and others reading comprehension skills.
Curated OER
Greatest Common Divisor
In this greatest common divisor activity, students use prime factorization to determine the greatest common factors of two or more numbers. Explanations and examples are provided. This two-page activity contains ten problems.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
Curated OER
Factor Investigation
In this factor learning exercise, students complete a chart for factors, proper factors, perfect numbers, deficient numbers, prime numbers, and abundant numbers.
Curated OER
Least Common Multiple
For this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
EngageNY
Least Common Multiple and Greatest Common Factor
Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...
Edline
How Did the Unification of Germany Change the Course of World History?
Here you'll find a nice guided notes worksheet on Otto von Bismarck, which details Bismarck's plan to unify Germany, as well as asks learners to analyze his motivations and overall impact.
Curated OER
First World War Assessment
Here is a really neat assessment, perfect for middle schoolers who have just learned about WWI. The assessment covers the causes and effects of WWI, causes of WWII, the Treaty of Versailles, trench warfare, and key players of the war in...
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