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Interactive
Scholastic

Study Jams! Prime Factorization

For Students 4th - 6th Standards
Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...
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Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
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...
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Interactive
CK-12 Foundation

Mental Math to Divide by Whole Number Powers of Ten: Bouncing Decimal Point

For Students 6th - 8th Standards
Five questions challenge mathematicians to divide whole numbers by powers of 10. A tool highlights how a bouncing decimal moves through the divisor. Question types include multiple choice and fill in the blank. A discussion question...
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Lesson Plan
Curated OER

Find the Factors and Prime Factors

For Teachers 4th - 6th
Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...
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Worksheet
Helping with Math

Factors With Prime and Composite Numbers (1 of 2)

For Students 4th - 6th Standards
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this learning exercise off of the website, but it does not fit neatly onto one page. Consider projecting it on your class...
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Lesson Plan
1
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Illustrative Mathematics

Numbers in a Multiplication Table

For Teachers 3rd - 5th Standards
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
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App
Third Rail Games

Factor Samurai

For Students 3rd - 5th Standards
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...
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Worksheet
Curated OER

Greatest Common Factor

For Students 5th
In this problem solving worksheet, 5th graders practice solving the greatest common factors for 7 sets of whole numbers. Students write their answers in the boxes provided.
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Worksheet
Math Mammoth

Multiply By Whole Tens And Hundreds 1

For Students 5th - 9th
In this multiply by whole tens and hundreds instructional activity, learners problem solve and calculate fifty seven equations either by writing the additions as multiplications, solving and comparing and/or filling in the missing factors.
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Worksheet
Curated OER

Multiply Whole Numbers and Decimals

For Students 4th - 5th
In this decimals worksheet, students analyze the data on a table and then read and solve 6 problems. Students read the story problems and multiply a decimal number by a whole number to solve.
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Lesson Plan
Illustrative Mathematics

Factors and Common Factors

For Teachers 5th - 7th Standards
This is an exercise in finding the greatest common factor of two whole numbers. Use in direct instruction or as part of your guided practice. Make up additional problems for home work. It also can be used as a mini-assessment or test...
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Lesson Plan
Curated OER

Composite and Prime Numbers

For Teachers 4th
Young math whizzes determine if a number is prime or composite. They use counters to participate in activities that show prime and composite numbers.
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Lesson Plan
Curated OER

Multiplying and Dividing Whole Numbers

For Teachers 4th - 8th
In this multiplication and division worksheet, students practice multiplying and dividing whole numbers with different pictures to illustrate their problems. Students complete 29 problems.
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Worksheet
Curated OER

Multiply Whole Numbers and Decimals: Reteach

For Students 5th - 6th
In this whole number and decimal multiplication worksheet, students review the three steps to multiply whole numbers and decimals. Students then find the products for the sixteen problems.
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Lesson Plan
Curated OER

Multiplying With Nine As A Factor

For Teachers 3rd - 4th
Elementary math minds complete various activities to memorize the multiples of nine. They watch a PowerPoint presentation and demonstrate the finger trick. Unfortunately the link to the multiplication activities does not take you...
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Worksheet
Curated OER

Fractions and Whole Units

For Students 4th - 6th
In this online math worksheet, students concentrate on completing a variety of math problems including changing three given parts to whole units, four money problems, shading in four rectangle math equations and filling in the missing...
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Lesson Plan
Curated OER

Number Line Mathematics

For Teachers 3rd - 4th
Learners translate problem situations into diagrams, models, and numerals using whole numbers, fractions, mixed numbers, decimals, and percents. They identify that numbers in different forms are equivalent or not equivalent using whole...
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Lesson Plan
EngageNY

An Appearance of Complex Numbers 2

For Teachers 11th - 12th Standards
Help the class visualize operations with complex numbers with a lesson that formally introduces complex numbers and reviews the visualization of complex numbers on the complex plane. The fifth installment of a 32-part series reviews the...
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Activity
Math Learning Center

Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors

For Teachers 5th Standards
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their multiplication...
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Worksheet
DK Publishing

It's Raining Numbers! - Mixed Tables

For Students 2nd - 3rd Standards
It's raining math problems! Use this multiplication and division skills practice on a rainy day as scholars fill in water drops to complete number sentences. They fill in products, factors, dividends, divisors, and quotients to solve...
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Worksheet
Curated OER

Multiplication and Division Within 100

For Students 3rd - 5th
There isn't too much to be excited about with these practice problems, but if you're looking for multiplication and division equations you've found them. The six multiplication problems are split into three vertical and three horizontal,...
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Lesson Plan
Curated OER

Prime And Composite Numbers - Fuzoku Elementary

For Teachers 4th
Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the instructional activity...
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Worksheet
Math Worksheets Land

Division and Finding Unknown Factors - Independent Practice

For Students 3rd - 4th Standards
These division problems are missing divisors! There are 10 equations here for scholars to complete, all with double-digit dividends and single-digit quotients. These are all whole numbers, perfect for beginners. See if pupils catch on to...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...