Worksheet
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Radioactivity

For Students 11th - Higher Ed
In this radioactivity worksheet, students write the mass number and atomic number for the missing element in the reactions. Students identify the isotope that is more stable and determine the half-life of the isotope. This worksheet has...
Lesson Plan
Curated OER

Marvelous Math -- Colorful Fractions

For Teachers 2nd - 6th
Students begin the lesson by discovering that a fraction is one part of a whole. In groups, they practice reducting larger fractions into small fractions and discovering they are equal. They use blocks to identify the relationship...
Interactive
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Idiom Quizzes - XYZ

For Students 3rd - 8th
In this online interactive language skills worksheet, students answer 3 multiple choice questions regarding idioms. Students may check their answers immediately.
Worksheet
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Time Facts Quiz

For Students 4th - 5th
In this mathematical worksheet learners complete questions in relation to telling time. Students respond to 16 questions associated with the equivalencies of telling time in seconds, minutes, weeks, months, days, and years.
Worksheet
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Booster (pg.12)

For Students 1st - 2nd
In this addition, subtraction and multiplication worksheet, students fill in 3 numbers on a card so that each side of the square adds up to 90. Students fill in 2 circles with 2 numbers so that the total of all 4 numbers in 900. Students...
Worksheet
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Find A Difference By Counting Up

For Students 3rd - 4th
For this subtraction worksheet, students solve 11 problems in which a single digit is subtracted from a four digit number. Students do this mentally by taking from the whole thousands and then counting up or by counting back.
Worksheet
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Multiplication Word Problems

For Students 4th - 5th
In this multiplication practice worksheet, students solve 4 word problems that require them to multiply 4-digit numbers by 1-digit numbers.
Lesson Plan
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Carbon Dioxide Exercise

For Teachers 9th - Higher Ed
Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. Stacked together, the overheads for the whole class show an increase on carbon dioxide over five...
Lesson Plan
National First Ladies' Library

Colonial America: The Original 13

For Teachers 6th - 8th
Middle schoolers work in small groups to research the initial history of two colonies and answering a list of questions. They then prepare a PowerPoint presentation or poster that includes all the findings of the questions and share...
Worksheet
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Decimals With A Total of 10

For Students 4th - 5th
For this decimal worksheet, students subtract decimal numbers from 10, determine what needs to be added to a given decimal to make 10, decrease numbers by given amounts and determine "how many more" to add.
Lesson Plan
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Counting by Making Groups

For Teachers 1st
First graders represent, compare, and order numbers. In this counting skills lesson, 1st graders use manipulatives to demonstrate one-to-one correspondence and to represent numbers. This lesson includes a teacher script to guide the lesson.
Lesson Plan
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Less is More: Subtraction in Action

For Teachers K - 4th
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Lesson Plan
Curated OER

Arithmetic and Exponents - Week 1

For Teachers 9th - 10th
In this exponent worksheet, students add numbers written in exponential notation. They identify the base and the exponent. This two-page worksheet contains examples, definitions, and nine problems to solve.
Worksheet
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Problem-Solving Strategy: Write a Number Sentence: Practice

For Students 4th - 5th
In this number sentence learning exercise, students solve the word problems by writing a number sentence for each problem. Students solve five word problems.
Lesson Plan
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Teaching Arithmetic and Math Concepts to Headstarters

For Teachers Pre-K - K
Learners discover early number concepts for numbers 1 through 5. In this number concepts instructional activity, students work in stations doing hands-on activities such as sorting colored blocks, stringing beads, and counting sticks....
Lesson Plan
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Pet Overpopulation: Spay or Neuter Song

For Teachers 3rd - 5th
Learners explore the importance of spaying animals through a song.  In this spaying and neutering lesson, students calculate how animal numbers get larger quickly.  Learners recognize the importance of taking good care of home...
Worksheet
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Booster (pg.11)

For Students 1st - 2nd
In this addition and multiplication worksheet, learners supply 4 missing numbers on a square card so each side of the square adds up to 110. Students put 2 missing numbers in circles so that all 4 of the numbers add up to 1200 and put...
Worksheet
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Division with remainders written as fractions

For Students 4th - 6th
For this division with remainders worksheet, students divide numbers with remainders and write the remainders as a fraction of the whole number. Students complete 14 problems.
Worksheet
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The Vietnam Lotteries

For Students 10th - 12th
In this probability and statistics worksheet, students examine the “fairness” to the Vietnam draft lottery system by constructing box plots of each of the twelve months using data provided.  The three page worksheet contains one...
Lesson Plan
Curated OER

Number Stories

For Teachers 1st - 2nd
Young scholars write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
Worksheet
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Number Theory: Scientific Notation

For Students 4th - 6th
In this scientific notation activity, students solve a total of 10 problems, writing numbers given in problems using scientific notation, then numbers given in scientific notation in standard form.
Lesson Plan
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What Are We Listening To?

For Teachers 6th - 8th
Students gather data from a web site on number of music albums sold by genre for the last two years. They convert these figures to fractions, decimals, and percents, and display the results in bar graphs and pie charts.
Worksheet
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Booster

For Students 1st - 2nd
In this addition worksheet, students put a circle around 2 numbers out of 9 that add up to 99, put in the missing digit in 1 multiplication problem and supply 3 missing numbers in a triangle in order that each edge adds up to 125.
Worksheet
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Subtraction - Word Problems

For Students 4th
In this subtraction worksheet, 4th graders find the differences in 5 short subtraction word problems. They work with money, and numbers in the tens and hundreds place values..

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