Curated OER
Number Chart and Number Line
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
Collaborative Learning Project
Four in a Row Addition and Subtraction
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
Curated OER
Relating Moles to Coefficients of a Chemical Equation
Young scholars investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio...
Curated OER
The Hundreds Board
Learners explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Curated OER
Working with Coins #2
Practice money math with a helpful worksheet. Illustrations of coins, along with word problems, keep second graders focused on adding and subtracting different amounts of money. An excellent homework assignment to reinforce your money...
Curated OER
Identifying Patterns
Although this fractions exercise may seem difficult at first, it's really quite simple and intended for beginners to mixed numbers. Scholars complete 15 number sequences by adding two or three mixed numbers or decimal numbers. However,...
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Everyday Problems
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Curated OER
Ten Fingers Ten Toes
First graders identify the number 10 by completing a page for a counting book. They add the page to the first nine pages.
Curated OER
Addition Up to 10: Speed Race 3 and 4
In this addition worksheet, students find the sums to 20 single digit addition problems. They try to work more quickly than the previous day.
Curated OER
Adding Machines
Turn your first graders into adding machines! This is a fun way to practice single-digit addition, and scholars complete 25 equations. Each machine has a function; five numbers go into the machine, are added to, and emerge on the other...
Curated OER
Adding Decimals
Get your mathematicians ready to add up restaurant tabs using decimal addition problems. Using two examples to guide their processing, they find the sum of eight vertically aligned number pairs, all of which have decimals. They complete...
Curated OER
Adding Two Numbers
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Curated OER
Addition and Subtraction Word Problems
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
Curated OER
Adding/Subtracting--More Than/Less Than
In this counting in 10s activity, learners look at 10 numbers and write down 10 more for each number. Students look at an additional 10 numbers and write down what is 10 less than in each number.
Curated OER
Addition Word Problems #2
Expose scholars to the ways addition is constantly used through 15 word problems. Many of these have more than two addends, and several involve money math and adding numbers with decimals to the hundredths place. Learners also must use...
Houghton Mifflin Harcourt
Leveled Problem Solving: Adding and Subtracting Mixed Numbers
Using the six word problems provided, learners practice adding and subtracting mixed numbers. They help Jose, Sasha, Juanita, Stephanie, and Carlos to solve their problems!
Curated OER
Fractions Forever!
Middle schoolers identify proper, improper fractions, and mixed numbers. They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as decimal...
Conflict Resolution Education Connection
10 Lessons for Teaching Conflict Resolution Skills
Promote responsibility and camaraderie with 10 lessons on conflict resolution. Learners define conflict and teach ways to resolve it. Each lesson provides an activity and scenario for role play, and lends itself to discussion among peers...
Read Works
Halloween Leftovers
Halloween isn't fun for everyone — but playing together is! Read about Esme and her space pirate friend with a short reading passage, accompanied by ten short answer questions.
Florida Center for Reading Research
Phonics: Encoding and Decoding, Three-In-One
Scholars use the provided pack of alphabet cards to construct basic CVC words, then write down each word they make in one of two columns. Column one is for real words and column two is for nonsense words.
Curated OER
Compatible Numbers To Ten
Students solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the story...