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Interactive
CK-12 Foundation

Square Roots and Irrational Numbers: Estimating Radicals

For Students 8th - 10th
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between by...
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Organizer
Curated OER

Arithmetic with Positive and Negative Numbers

For Students 6th - 9th
For this arithmetic with positive and negative numbers worksheet, students 5 multi-step problems.  Students find the sum of positive and negative integers.  Students practive multiplying and dividing positive and negative integers. 
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Worksheet
Curated OER

Adding Integers Using an Integer Line

For Students 5th - 6th Standards
In this integers learning exercise, students use integer lines to add the positive and negative numbers. They can show the answers online.
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Lesson Plan
Curated OER

Integers and Fractions

For Teachers 9th - 11th
Students perform operations using positive and negative numbers as well as operations with fractions in various forms. They identify common decimals and their fraction equivalents while converting fractions to decimal form.
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Lesson Plan
Curated OER

Addition and Subtraction of Integers

For Teachers 6th
Sixth graders complete a pre-test of addition and subtraction of integers, then watch a powerpoint presentation on the concept. In this mathematics lesson plan, 6th graders draw number lines and chip boards to show the process. Students...
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th - 6th
For this addition and subtraction worksheet, students find the sums and differences of positive and negative numbers. Students solve thirteen problems.
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Lesson Plan
Curated OER

Hollywood's Top Ten

For Teachers 6th - 12th
Students gather data on top 10 highest grossing movies, and make a bar graph and a pictogram.
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Lesson Plan
Willow Tree

Rational vs. Irrational Numbers

For Students 7th - 10th Standards
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
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Assessment
Bowland

Magic Sum Puzzle

For Teachers 6th - 9th
Learners discover the magic in mathematics as they solve numerical puzzles involving magic sums. They then make a conjecture as to why no additional examples are possible based on an analysis of the puzzles.
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Lesson Plan
Curated OER

Adding and Subtracting With Negative Numbers

For Teachers 5th
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers lesson, 5th graders use a number line to solve math problems.
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Worksheet
Curated OER

Negative Numbers: 4 Operations

For Students 5th - 6th
In this negative numbers worksheet, students use number lines to complete activities, adding, subtracting, multiplying and dividing negative numbers.
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Worksheet
Curated OER

Number Block 1

For Teachers 4th
In this number puzzle worksheet, 4th graders try to fill in the missing numbers in the number block game. The missing numbers are integers between two and six. The numbers in each row have totals on the right, with the numbers in each...
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Lesson Plan
Curated OER

Adding Integers

For Teachers 6th - 7th
Students add integers using a number line. In this algebra activity, students add one and two digit integers. They compare zero pairs and the addition of integers.
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Lesson Plan
Curated OER

Football Math

For Teachers 6th - 8th
Develop an understanding of positive and negative numbers using football. Pupils create a football field and game pieces. The teacher gives plays and the pupils move pieces to see who wins the game.
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Unit Plan
2
2
EngageNY

Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
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Assessment
Noyce Foundation

Cat Food

For Teachers 6th - 7th Standards
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context. The resource...
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Lesson Plan
Alabama Learning Exchange

Battle to the Death: Adding Integers

For Teachers 4th - 6th Standards
Young scholars explore the concept of adding integers.  In this adding integers lesson, students simulate the battle of the 300 spartans at Thermopylae.  Young scholars use colored game pieces to represent positive and negative numbers. ...
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Worksheet
Curated OER

6: Adding with Negative Numbers

For Students 6th - 8th
In this adding negative numbers activity, students solve three multi-part short answer problems. Students add negative integers. Students evaluate addition and subtraction expressions for given values.
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Worksheet
K12 Reader

Adventures with Alliteration! - Adjectives

For Students 2nd - 3rd Standards
Have hearty humor with a handy, helpful handout! Kids work on their alliteration skills with a figurative language learning exercise that focuses on alliterative adjectives and phrases. After kids add nouns to ten adjectives, they create...
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Worksheet
Curated OER

Integer Invaders

For Students 5th - 6th
In this math worksheet, students practice plotting ordered pairs that are marked as alien ships. The instructions for the game are on page 1.
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Interactive
Curated OER

Adding Integers

For Students 5th - 6th
In this integer worksheet, learners solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
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Lesson Plan
Curated OER

Meter Marker Mania

For Teachers 4th - 6th
Students identify integers as rational and irrational numbers. In this algebra lesson, students measure and construct number lines using positive and negative integers. They convert between decimals and fractions.
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Lesson Plan
Curated OER

Interactive Fractions

For Teachers 6th - 8th
Students determine the common denominator of two unlike fractions. They practice adding fractions and finding equivalent fractions of numbers. They compare and contrast different types of equations involving fractions and construct...
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Worksheet
Curated OER

Moving Backward- Probability Enrichment Worksheet

For Students 2nd
In this addition and subtraction probability worksheet, 2nd graders play a game with a partner. They use the given spinner, and move along a number line based on the positive or negative number that they spin.