Curated OER
The Hundreds Board
Pupils 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
Subtraction: Number Square
In this subtraction worksheet, learners use a hundred chart to find the differences. In this short answer worksheet, students solve ten problems.
Curated OER
Simplifying Radicals
In this algebra worksheet students find the root and simplify 20 radical expressions. Students use the product and quotient rules to simplify 27 radical expressions. They add or subtract radicals on 13 problems.
Curated OER
Subtract in Columns
In this subtraction worksheet, students complete several subtraction activities that help them subtract in columns and borrow over zeros. Students then add to check their subtraction and then solve several subtraction distance word...
Curated OER
Bicycle Ride
Second graders observe and demonstrate how to add and subtract three-digit numbers as they relate to word problems. They discuss an annual bike ride in Iowa, and solve problems on an activity sheet along with the teacher. Students draw a...
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Curated OER
M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Curated OER
Using Numbers
In this math and language arts worksheet, students solve 5 -part math problems which are written in word form. These simple math problems need to have their answers expressed in word form as well. Example: Ten plus two, add fifteen, add...
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Curated OER
My Test Book: Decimal Addition and Subtraction
In this math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using decimals. Students may view the correct answers.
Curated OER
Math Review for Grade 4 (4.1)
For this math review for grade 4 (4.1) worksheet, 4th graders answer 25 multiple choice problems in standardized test format about all areas of 4th grade math.
Curated OER
Subtraction: Decimals
In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Curated OER
Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to purchase and estimate...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Enjoying Millions- Working with Millions
In this working with millions activity, 4th graders look for patterns when working with millions, and use mental math to determine a number. They add and subtract numbers from a number in the millions before using a set of clues to...
Helping with Math
Addition: Number Bonds to 20
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of 41 missing addend problems. Answers are available.
DK Publishing
Real-Life Word Problems
Prepare your second graders for word problems with a straightforward review activity. Use it after a unit on addition and subtraction up to 100, or after you have worked on money math. A sample word problem prompts young learners to...
Curated OER
Jambalaya's Restaurant
Students use a menu and recipes to work on adding, subtracting, and percentages. They are given they weekly circulators, advertisements, or actual products and students practice figuring out sales tax. Students figure slaes tax and tip...
Curated OER
Standard written method for addition of 2-digits
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Curated OER
Decimal Fractions With a Calculator
In this decimal fractions learning exercise, students read about using the multiply or divide keys of a calculator to change decimal fractions, then use the add or subtract keys to complete a different set of problems.