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Workbook
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1
University of Utah

Rational and Irrational Numbers

For Students 8th Standards
Conquer any irrational fears you might have of irrational numbers. As class members investigate how to represent numbers geometrically, they learn about rational and irrational numbers, including approximating and ordering rational...
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Lesson Plan
Virginia Department of Education

Complex Numbers

For Teachers 10th - 12th
Build on your class' understanding of real numbers as they begin working with complex numbers. Pupils begin with an exploration of i and the patterns in the powers of i. After developing a definition for i, they simplify complex number...
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Lesson Plan
Illustrative Mathematics

Ordering Numbers

For Teachers K - 2nd Standards
Deepen the number sense of young mathematicians with this unique ordering exercise. Given a list of the numbers 1, 5, 10, 50, and 100, young learners must determine where the numbers from a second list fit in the sequence. To increase...
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PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
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Lesson Plan
EngageNY

Comparing Irrational Numbers

For Students 8th Standards
Build on your classes' understanding of irrational numbers by comparing their values. The 13th lesson in the 25-part module has individuals estimate values of both perfect and non-perfect roots. They finish by graphing these numbers on a...
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Assessment
Illustrative Mathematics

Looking at Numbers Every Which Way

For Students 2nd Standards
Assess class members' ability to look at numbers every which way. A helpful worksheet contain four tasks, including writing numbers as a sum of 100's, 10's, and 1's, and drawing a picture to represent the number.
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Lesson Plan
Illustrative Mathematics

Teen Go Fish

For Teachers Pre-K - 1st Standards
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
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Handout
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1
West Contra Costa Unified School District

Subtracting Numbers

For Students K - 6th Standards
Give families the information needed to support their child in the mastering of subtracting numbers with a two page reference sheet offering detailed descriptions and labeled examples. 
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Worksheet
Inspired By Kindergarten

Numbers 1-10

For Students Pre-K - K
Preschoolers and kindergartners can master numbers 1-10 with a set of math worksheets. Each page features one number that kids trace, represent with tally marks, and write what number they will have after adding or subtracting 1.
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PPT
Curated OER

Positive and Negative Numbers

For Teachers 4th - 5th
Preview a presentation that goes over the definitions of postive numbers, negative numbers, and integers with your mathematicians. Many examples of how these numbers are used in daily life are presented, as well as examples of how these...
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Lesson Plan
Curated OER

The Fibonacci Sequence

For Teachers 6th - 8th
Students investigate a numerical pattern and look for evidence of mathematical patterns in nature. They solve puzzles and work with a partner to predict sequential numbers in a series.
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Worksheet
Curated OER

Adding & Subtracting Fractions and Mixed Numbers

For Students 7th - 9th
In this pre-algebra addition and subtraction of fractions and mixed numbers worksheet, students add or subtract fractions in the first 10 problems. They write the answers in simplest terms. They add or subtract mixed numbers in the last...
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Interactive
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1
Scholastic

Study Jams! Add & Subtract Mixed Numbers

For Students 5th - 7th Standards
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
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Lesson Plan
Curated OER

Getting to Know Numbers

For Teachers 1st - 2nd
Students study the math concepts associated with the calendar including days of the week, months of the year, odd/even numbers and numbers which come before and after. They use handheld computers with the appropriate software.
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Interactive
Curated OER

Change Mixed Numbers to Decimals: Denominator is 10, 100, 1000

For Students 4th - 6th
In this change mixed numbers to decimals: denominator is 10, 100, 1000 worksheet, students interactively convert 10 mixed numbers to decimals with immediate online feedback.
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Worksheet
Curated OER

Addition of Two Negative Numbers Between -100 and 100

For Students 4th - 5th
For this addition worksheet, students find the sums in 12 problems. They add two negative two digit numbers in each problem. They enter and submit the answers online, or print out the page as needed.
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Worksheet
Curated OER

Math Worksheet: Addition of Two Negative Numbers #2

For Students 3rd - 5th
In this online interactive adding negative numbers worksheet, students practice their math skills as they solve 15 problems that require them to add 2 negative numbers between -100 and 100. The answers may be typed in on the worksheet...
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Lesson Plan
Curated OER

Using Recipes to Add Fractions and Convert Improper Fractions to Proper Fractions or Mixed Numbers

For Teachers 4th - 7th
Students use recipes to add fractions and convert improper fractions to proper fractions and mixed numbers. In this fraction lesson plan, students watch a video on someone making a recipe and compare and change the recipes to fit the...
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Organizer
Houghton Mifflin Harcourt

Numbers 11-19

For Students K - 2nd Standards
Develop the concept that numbers from 11 to 19 are essentially a 10, plus more! The first two of the six story problems on this sheet are scaffolded with pictures. Learners compose and decompose numbers to answer how many 10s and how...
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Worksheet
Curated OER

Count the Pictures: Numbers to 10

For Students K - 1st
Help your young learners master 1:1 correspondence by counting pictured objects, and to communicate answers in multiple choice format. Given a number, they choose which of 3 rows of objects is the correct match. Four opportunities to...
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Worksheet
Curated OER

Learn Your Numbers

For Students 1st - 2nd
Are your young, beginning French speakers learning how to count? Give them this ten-page instructional activity to have them practice writing numbers in English and French. Great for printing practice and vocabulary development.
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Worksheet
Onondaga Community College

Subtract Mixed Numbers without Renaming

For Students 3rd - 7th Standards
Develop young mathematicians' fluency with subtracting mixed numbers using this collection of practice problems. Addressing the subtraction of mixed numbers with and without regrouping, this resource clearly models each process before...
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Worksheet
K-5 Math Teaching Resources

Adding Mixed Numbers (Unlike Denominators)

For Students 3rd - 6th Standards
Mix things things up in your elementary math class with a series of problem-solving exercises. Presented with a series of mixed number word problems, young mathematicians are asked to solve them by using either visual fraction models or...
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Lesson Plan
Curated OER

Introduction to Negative Numbers

For Teachers 4th - 8th
Learners view videos to understand the concept of negative numbers. Afterward, they will complete worksheets related to the video using negative numbers. Excellent!

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