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Organizer
PB Works

Prime and Composite Numbers

For Students 4th - 6th Standards
Start with the basics and introduce the first 24 numbers in the world of prime and composites. This graphic organizer has students list the factors and then categorize the numbers appropriately. A great way to organize information and...
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PPT
Curated OER

Multiplying Mixed Numbers

For Teachers 3rd - 5th
Multiplying mixed numbers is a difficult process. This presentation does a good job of clearly and simply demonstrating the basics of making this type of calculation. After being coached on how to do it, learners follow along with each...
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Worksheet
Curated OER

Addition and Subtraction: numbers to 20

For Students 2nd - 4th
Does your school encourage learning math facts or fast facts? If it does you can definitely use this resource. There are 20 lists, each list contains 10 problems, and each problem set focuses on adding and subtracting specific numbers,...
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Interactive
CK-12 Foundation

Sums of Finite Arithmetic Series: Triangular Numbers

For Students 11th - Higher Ed
Using a slider, scholars build triangular numbers and their associated rectangles and use the geometric display to find the pattern to determine the next triangular number. They then relate that number to the area of the rectangle to...
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PPT
Curated OER

Reading and Writing Numbers

For Teachers 3rd - 4th
Reading and writing numbers is thoroughly covered in this well done slide-show presentation. Learners will see how number and number words correlate in relation to place value. The slide-show is text heavy and could use more visual aids...
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PPT
Curated OER

Fractions Lesson: Understanding Mixed Numbers

For Teachers 4th - 5th
A developmentally sound approach to teaching learners the difference between fractions, whole numbers, and mixed numbers. They are shown each type of number then run through a series of slides shouting out the name of that number type....
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Lesson Plan
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Alabama Learning Exchange

Classifying Complex Numbers

For Teachers 10th - 12th Standards
Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.
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Worksheet
NASA

Atomic Numbers and Multiplying Fractions

For Students 5th - 8th
Here is a way for beginning chemists to review the skill of multiplying fractions! A segment of the periodic table of elements is presented at the top of the page, from which learners obtain the atomic number to use in six calcualtions....
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Lesson Plan
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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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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics activity. 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,...
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Lesson Plan
Curated OER

Complex Numbers

For Teachers 10th - 12th Standards
Learners are introduced to the concept of imaginary unit and complex numbers. They are taught how to add and subtract complex numbers. Students define a complex number. They comprehend at least two applications of complex numbers....
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Lesson Plan
American Library Association

Even and Odd Numbers: Lesson Plans and Sample Problems

For Teachers Pre-K - 2nd Standards
If your youngsters are new to numbers, here are several interactive strategies to get them thinking about even and odd numbers. For example, they can count the number of desks, people, etc. in the room and determine if it is even or odd....
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Worksheet
Curated OER

Ordering Large Numbers: Numbers up to 9,200,000

For Students 3rd - 5th Standards
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
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Worksheet
1
1
Curated OER

Write the Missing Numbers

For Students K - 2nd Standards
Which numbers are missing on these hundreds charts? Beginning counters fill in the blank squares in a set of hundreds charts. One simply has the numbers 1 and 100, while the others are missing every other number, only even numbers, or...
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Worksheet
Curated OER

Factors of Numbers from 31 to 65

For Students 4th - 5th
Finding factors is an integral aspect of multiplication. Although there are two examples here, they don't illustrate the process so you will still need to model this a few times for scholars. First, mathematicians list the factors for...
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Worksheet
Curated OER

Reading and Writing Numbers

For Students 3rd - 5th
Those are some long numbers! Scholars write number-form digits in word form and vice versa. The first eight are six-digit numbers and the next eight are seven-digit numbers. There are two examples to get them started. Remind scholars to...
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Worksheet
Curated OER

Ordering Sets of Numbers

For Students 3rd - 5th Standards
There are mixed and whole numbers in these sets; can your scholars put them in order from least to greatest? For each set they put five numbers in order, paying close attention to the whole numbers attached to the fractions. Learners...
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Worksheet
Curated OER

Ordinal Numbers Worksheet

For Students K - 2nd
“Circle the third dog in the row.” The four cleverly illustrated worksheets in this packet give your mathematicians practice with ordinal numbers. Younger learners might need assistance reading the prompts.  An answer sheet is provided.
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Worksheet
DK Publishing

Putting Numbers in Order, Numbers Up to 9,900

For Students 3rd - 5th Standards
Put these big numbers in order! Fourth graders review the example at the top of the page before putting 16 sets of 4-digit numbers in order from smallest to largest. You can cut the three sections of problems into strips of paper for...
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Worksheet
Curated OER

Rounding Mixed Numbers

For Students 3rd - 5th Standards
Is your class having trouble with mixed numbers and rounding to the nearest whole number? Use this instructional activity in your fractions unit to help struggling math students with this tricky skill. An example demonstrates how to...
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Worksheet
Curated OER

Writing Numbers

For Students 2nd - 4th
A multi-faceted approach to place value! Third graders write four-digit numbers, as well as interpreting the written forms of large numbers. Use the resource as a unit assessment, or in parts as a warm-up activity throughout the week. 
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Lesson Plan
Curated OER

Feed The Whole Class

For Teachers 4th - 5th
Students solve word problems and determine quotients of fractions and mixed numbers. They practice multiplying fractions by increasing a recipe found on a food website. In addition, they increase the numbers to feed the whole class a...
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Unit Plan
Curated OER

Curriculum Links To Numeracy

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
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Worksheet
Curated OER

Comparing Numbers

For Students 3rd - 4th
Young math whizzes compare forty-eight sets of numbers and write the correct sign, <, >, or = for each set of numbers in the box provided for each one.

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