Curated OER
Mystery Operations: Math, Patterns, Logic
In this activity the computer/teacher makes up a mystery operation, and you have to figure out what the operation is. You give the computer/teacher two numbers to calculate, and it tells you the answer. This is your first piece of...
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Representing Rational Numbers
Seventh graders explore rational numbers. For this fractions, decimals, and percents lesson, 7th graders identify and compare equivalencies between fractions, decimals, and percents. Students use hands-on activities to investigate the...
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Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
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Operation: Math
Young scholars use critical thinking skills about math operations and practice using previously taught math skills. They solve a puzzle where they have to replace an * with the correct operation to complete the number sentence.
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Addition - Three 1-Digit Numbers
In this addition practice activity, students practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
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Addition - Three 2-Digit Numbers
In this addition practice worksheet, students practice their computation skills as they solve 25 problems that require them to add 2-digit numbers. Each problem has 3 addends.
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Chance (Probability) Operations in Dance Composition -
Eighth graders investigate modern-dance choreographer Merce Cunningham's historically significant contribution to dance-making history. Specifically, 8th graders explore and practice Merce Cunningham's choreographic use of chance...
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Addition & Subtraction
In this addition and subtraction worksheet, students solve 4 different types of problems that include adding and subtracting numbers. First, they write addition or subtraction about each picture. Then, students write the correct...
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Using Fact Families
In this fact families and operation sign worksheet, students complete the four number sentences for fact families and write the missing operation sign for numbers sentences. Students complete 6 fact families, 6 missing operations, and 6...
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Addition & Subtraction 2
In this addition and subtraction activity, students solve 4 different types of problems that include adding and subtracting numbers. First, they practice solving a number of addition and subtraction problems. Then, students complete the...
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Joe, Joe, How Does It Go?
In this operations worksheet, students fill in the operations for the number sentences. Students fill in operations for 4 number sentences.
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Applying Prime Factorization
Sixth graders use the prime factorization of numbers to find the greatest common factor and least common multiple. Working in small groups, they solve problems using the greatest common factor and least common multiple.
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The Multiplier (2-digit by 2-digit numbers)
Fourth graders Split a 2-digit number into tens and ones. They use The Multiplier to partition and solve 2-digit by 2-digit multiplications. They describe how to solve 2-digit by 2-digit multiplications using a diagram.
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Math Worksheets Addition Worksheet: 2-Digit Addends
In this addition instructional activity, learners illustrate their understanding of the concept by responding to 20 problems adding 2-digit numbers and providing the correct computation.
Worksheets Plus
Place Value Worksheets - Comparing Numbers
Six problems consisting of sets of tens and ones cubes are arranged for aspiring mathematicians to analyze. For each problem, pupils write down the total numbers of cubes and then use < or > to identify which set is the least and...
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Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers
Middle schoolers demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
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Math Review
In this math review activity, learners solve 30 problems that include order of operations, math square puzzle, missing numbers and signs and Roman numerals. This page is intended for online use but may be completed on paper.
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Mathematical Variety Worksheet
For this mathematical variety worksheet, middle schoolers use mathematical operations, less than/greater than, even/odd and number sequences to solve 9 problems. They can click on the Check box to determine whether their answer is correct.
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Make Your Own
In this number of operations instructional activity, 2nd graders write 4 original word problems to go with 4 number sentences. Students write out their answers on the lines provided.
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Inverse Relationships (C)
In this addition and subtraction inverse operations worksheet, students fill in the blanks in 30 addition and subtraction sentences with the appropriate numbers based on inverse relationships
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Inverse Relationships Add/Sub (E)
For this addition and subtraction inverse operations worksheet, students fill in the blanks in 16 addition and subtraction sentences with the appropriate numbers based on inverse relationships.
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Explorit's Do-It-In-Your-Head Numbers Quiz
In this mental math worksheet, students complete a 6 question multiple choice online interactive activity without using pencil, paper or calculator. Included are word problems, multiple operations, averaging, and basic arithmetic.
Curated OER
Estimating Sums and Differences
In this estimation of sums and differences worksheet, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for...
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Family of Four
In this fact family worksheet, students write in the missing numbers in the addition problems. They then complete each fact family. There are 6 problems on this worksheet.
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