Willow Tree
Multiplying Polynomials
Make two parts into a whole. Scholars learn to multiply polynomials to create a simplified polynomial expression. Polynomials include monomial, binomials, and trinomials.
EngageNY
Rational and Irrational Numbers
Back to the basics: learning how to add numbers. The 17th installment of a 35-part module first reviews addition techniques for rational numbers, such as graphical methods (number line) and numerical methods (standard algorithm). It goes...
Curated OER
Addition and Subtraction Facts to 20
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Curated OER
Operations on Matrices
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Federal Reserve Bank
Sky Boys: How They Built the Empire State Building
How tall is the Empire State Building? Lead your class through a collaborative estimation activity to determine the number of quarters it would take to reach the top and teach the following concepts: human capital, human resources,...
Curated OER
Calculate the Answer
Learners solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
Multiplying and Dividing using Negative Numbers
In this online multiplying and dividing worksheet, students practice multiplying and dividing seventy-two math problems and two multiplication tables. Students check their answers as they go.
Curated OER
Animal Jr. Christmas Worksheet
In this Christmas animal math worksheet, students solve 36 single and double-digit addition problems and then follow the coloring key and color in each sum a different color.
Curated OER
Word Problems
In this algebra activity, 9th graders rewrite word problems into algebraic sentences. They define sum, difference, quotient and factors. There are 5 word problems with an answer key.
Curated OER
The Number System
Students explore how to multiply and divide by 10, 100, and 1000. In this computation lesson, students participate in an online activity using the interactive whiteboard. Students generate sums by using dice.
Curated OER
Arithmetic Revisions
In this algebra worksheet, students perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Estimating and Rounding
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Curated OER
Mental Math Blocks 2
For this math worksheet, students solve eleven math problems. Students solve the problems by using multiplication, division, subtraction, and addition.
Curated OER
Word Search Y3, 4 x Table
For this math word search worksheet, students solve the 10 multiplication problems at the bottom of the page, which are all in the 4 times table. They then find the numbers, in word form, in the word search above. Students circle the...
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
Curated OER
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.
Alabama Learning Exchange
Swim the Open Sea: Analyzing Duel Vectors
This dual vector instructional activity has the class watch a video about a person's swim of the English Channel. The class then uses a computer program to analyze dual vectors of wind's effect on a flight path of a plane as compared to...
Instant Interactive
Math Drills
Get ready, set, go! This app will have your young mathematicians striving for first place as they work on their basic math skills.
Curated OER
Number: Decimals
Students explore the concept of decimals. In this decimals lesson, students examine number patterns as they complete a worksheet that requires them perform multiplication with decimal numbers.
Fuel the Brain
Doubles
Have your class practice their skills in adding numbers to have the sum of double that original number. After solving two cute problem stories about rabbits, your youngsters will have to translate their answers into a number sentence.
Curated OER
Division
Students use their knowledge of multiplication to learn problem solving strategies to solve division problems. In this division lesson plan, students play a circle game, work in small groups to review times tables, and solve division sums.
Curated OER
Number Search
In this number search worksheet, students search for equations that equal 20. These equations could be addition, subtraction, multiplication, or division, and they find 12 of them.