Curated OER
Addition Using Objects
In this addition using objects worksheet, students solve 5 problems that include adding various objects as shown. First, they count the number of each object in the first column and write that number in the first box. Then, students...
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Santa's List Sums (C4)
For this addition worksheet, students add up the sums of the boys and girls in each column to come up with a total. Students add up 17 problems of adding four digit numbers to come up with a sum.
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Addition-Multiple Numbers
In this addition worksheet, students complete 6 problems, adding 5 numbers together. An answer link appears at the bottom of the page.
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Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
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Bill Pickett, Bulldoggin' Cowboy
Who was Bill Picket? Interested readers work through an informational passage to find out about a famous "bulldogger" from the old West. They answer several reading comprehension questions and use a seven step process to decode new...
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Multiplying by 10
Multiplying by 10 is simple, but do your scholars know the trick? They look at four examples; if you haven't learned this yet, see if they notice a pattern in these answers. They multiply 70 numbers by 10. Most are two-digit, but a few...
Mathematics Vision Project
Module 10: Matrices Revisited
A matrix is just a fancy way of making a table. Young scholars explore operations with matrices with the first lessons in the final module of a 10-unit Algebra II series. After adding, subtracting, and multiplying matrices, pupils use...
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Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
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Magic Sum
Students calculate two-digit addition problems. They observe a teacher-led demonstration, and solve various problems independently.
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A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
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How Sweet It is! A Colorful Sugar Solution Density Column
Students examine the affect of density. Using a graduated cylinder and equally prepared volumes of sugar-water solutions and food color, students observe a sugar rainbow. They discover that the greater the amount of sugar in the...
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Matrix Operations
Here is a worksheet to practice or review basic matrix operations of addition, subtraction, and scalar multiplication. First, define and discuss key vocabulary terms, then have individuals work five simple problems. There are detailed...
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Magic Number
Students create addition sentences. They review number lines and how to jump between numbers to solve equations. They play the "Magic Number" game by using a spreadsheet and guessing numbers. They discuss how they found the magic numbers.
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Word Value
Students investigate the concepts of adding, estimating, and ordering. The lesson plan uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
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Estimating the Cost of Shopping
In this math worksheet, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
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Decimals
In this decimals instructional activity, 5th graders solve 20 different problems that include adding and subtracting various decimals. First, they add or subtract the decimals like they would whole numbers. Then, students line up the...
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Matrix Addition
In this matrix worksheet, learners add matrices containing four to nine numbers. Explanations and examples are provided. This two-page worksheet contains ten problems.
Mathematics Vision Project
Module 3: Polynomial Functions
An informative module highlights eight polynomial concepts. Learners work with polynomial functions, expressions, and equations through graphing, simplifying, and solving.
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Four + One = Five
In this algebra instructional activity, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
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A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
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Matrices and Transformations
In this matrix worksheet, learners explore and solve problems with matrices by addition, subtraction, multiplication and using linear equations. There are 28 problems with some answers.
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Electron Configurations and the Periodic Table
In this electron configuration and the periodic table worksheet, learners are given a periodic table with each element. Students write the theoretical electron configuration for each element based on the rules for filling subshells with...
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Less Than-More Than
In this less than/more than worksheet, learners fill in columns on an organizer with numbers "one less than' and "one more than" given integers. An answer key is included.
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Carrying to Tens
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities.