CK-12 Foundation
Vector Subtraction
Move vectors to determine their difference. Pupils use an interactive to visualize the opposite of a vector. They use the concept of adding vectors to subtract vectors by adding the opposite and, finally, view the differences of the...
CK-12 Foundation
Whole Number Exponents: Building Blocks
Five questions make up an interactive all about whole-number exponents. Movable building blocks create a visual tool to aide mathematicians in answering multiple-choice and true or false problems. The interactive ends with a discussion...
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Curated OER
Matrix Analysis of Networks
Explore the connection between a finite graph, a directed graph, and a matrix. Graph lines and identify the relationship of matrices in real-world scenarios. Then use this information to work with a partner to plan and design a...
Curated OER
How Many Under the Shell?
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Curated OER
Add and Subtract within 100- Matching Worksheet
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
Curated OER
Using Electronic Manipulatives in Multiplication
Factor polynomials using electronic manipulatives. Your class will create a spreadsheet in excel and use it to multiply and perform basic operations and solve problems correctly. They create a visual to go along with each multiplication...
Curated OER
More or Less Pigs in the Pen
Kindergarteners practice basic addition and subtraction. In this math lesson, students sing a song about pigs on a farm to help them understand the concept of adding and subtracting things together. Some excellent extension activities...
Curated OER
Does Your Rectangle Have Guts?
Does it? Kids find the perimeter and area of different shapes to assess whether their rectangle has guts. In addition to finding the area of a rectangle, learners work to find the area of a trapezoid. All worksheets are included.
Curated OER
Number Lines, Variables, Solving for One Variable
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
Curated OER
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...
Curated OER
Problem Solving
Scholars will learn to solve word problems using addition, subtraction, multiplication or division. Using a grocery store theme, they will identify the best way to solve real-life problems. There are many ways this basic lesson can be...
Curated OER
Adding and Subtracting up to 5 Guided Lesson
Using only numbers up to five, beginners to addition complete four basic number sentences to find the sums of each. This activity is unique in that the first two problems are actually written out, and the last two are numerical. As a...
Curated OER
Spelling Counts!
Play a game to practice spelling and math. By assigning a numerical value to each letter of the alphabet, you can engage learners in "spy" coding and decoding activities that reinforce grade-appropriate spelling and math skills....
Curated OER
Adding and Subtracting Algebraic Expressions (Combining Like Terms)
Everyone loves math when it includes food! This lesson tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping young scholars understand this...
Shodor Education Foundation
Surface Area of Rectangular Prism
With this interactive lesson, learners compute the surface area of rectangular prisms. They visit an online investigation applet and record data on the provided handout. Pair this lesson with the volume lesson by the same publisher as an...
Curated OER
Number Tick Tack Toe:
Students practice basic addition and subtration facts to twelve and use thinking skills to win at tick tack toe.
Curated OER
Facts That Add to 4
In this addition worksheet, students write addition sentences that equal 4. Students use the 5 spaces surrounding the number four in the center of the graphic organizer and create equations with 4 as the sum.
Curated OER
Facts That Add to 6
In this addition instructional activity, students write addition sentences that equal 6. Students use the 5 spaces surrounding the number four in the center of the graphic organizer and create equations with ;6 as the sum.
Curated OER
Facts That Add to 5
In this addition worksheet, students write addition sentences that equal 5. Students use the 5 spaces surrounding the number four in the center of the graphic organizer and create equations with 5 as the sum.
Curated OER
Operations for Problem-Solving
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Curated OER
Addition To Fifteen
In this math worksheet, students solve problems using the operation of addition to find the sums. The sheet is a teacher's guide.
Curated OER
Addition To One Hundred
In this math activity, students use the worksheets that are created by
the teacher using Adobe Reader. The sheet is a users guide.
Curated OER
Equivalent Addition
In these equivalent addition worksheets, students complete vertical addition problems. Students solve 12 addition problems printed on the pictures.