Arrays Teacher Resources

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Learners use desk arrangements to help them learn about factors, arrays, and commutativity. In this multiplication lesson, students read a multiplication problem about student desk arrangements. Learners then brainstorm a solution to the problem and watch the QuickTime video about the topic. Students complete the Commutative Operations handout and discuss. Learners may complete a factor pairs activity and a rectangular prism activity.
Use these number story cards to give scholars practice with arrays and number models. There are 12 cards here, each with a simple object scenario for learners to apply mathematically. Mathematicians are given the number of rows and how many objects are in each row and then have to solve for the total number of the object. They draw the array and write a number model. The given numbers don't exceed 10, and some are written in word form while others are numeric. This could be an introduction to multiplication.
Here's a delicious approach to rectangular arrays which will have your scholars learning all about Peeps. They visit the online Peep headquarters to watch a history of the treat and take a virtual factory tour. Discuss why Peeps are packaged the way they are and connect this to rectangular arrays. Partners use a handout to guide them in creating their own arrays and describing them using addition and multiplication sentences. They explain the counting pattern their array demonstrates and write the related fact family. Allow scholars to apply these skills as they package various items. How many can fit in the box? They finally revisit the website to take a quiz.
The creation of arrays is the focus of this mathematics lesson. Pupils consider a situation for a theater stage performance: different amounts of people are coming to the show, and they must arrange the seats in rows of equal numbers. A worksheet that goes along with the lesson is embedded in the plan.
Fourth graders play a game with red and green cards (composite and prime numbers). As a card is drawn students create all possible arrays. The winner of each round is the person with the most arrays. Students discuss their results, and define the terms prime and composite.
Make it rain on your computer screen with this challenging JavaScript programming project. Modify the existing code of one little drop to create a downpour by using arrays and properties of arrays. But why stop there? How about some snow? Perhaps, a blizzard?   
Pupils identify and define various mathematical properties, such as the commutative properties of addition and multiplication, and the associative property of addition. They also reason and communicate mathematically by making mathematical connections. Finally, learners create their own simple array and exchange with a partner.
This is an amazing 33-page resource for teaching multiplication! Your mathematicians will discover the connection between multiplication and repeated addition. They also will work collaboratively with arrays while studying zoo animals. It is recommended that you allow three class periods to complete all of the activities. Various strategies and manipulatives are suggested to make this a in-depth instructional piece.
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving. Modifications are given as well as all of the resources that you will need. There are 37 pages in this well-designed packet. There is something for everyone to use!
Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.
In this Algebra II/Pre-calculus worksheet, students examine a 10 X 10 array and determine the pseudotrace of the array.  The six page worksheet contains three problems.  Detailed solutions are provided. 
Investigate division through the use of array models. The lesson focuses on using area models to compare division as sharing with division as grouping. Students evaluate the usefulness and limitations of the two array models.
Students work in teams they select a low-power toy, game, or electrical deive to "solarize," or convert to solar power. They determine the operating voltage of their chosen device and design a solar array to provide this level of voltage. Pupils determine a series of conditions under which they test their toy's performance and, if needed, adjust the size of their solar array to provide more current.
Physical science or technology classes will be invigorated by this challenge: to convert a toy, game, or other device to run on solar power. In doing so, they will design the appropriate solar arrays. This is an A+ lesson, complete with background information, teaching notes, and student instructions.
These acitivities are designed for two! With a partner, problem solve and calculate the answers to fifteen word problems or mathematical equations. Scaffolding and coaching are included, and as an extension learners are prompted to create their own problems to illustrate with arrays and equations. 
Young scholars practice arrays using prior knowledge. In this patterns instructional activity, students explore the patterns of squares and cubes and record their findings. Young scholars discover the patterns and share.
Creating a list of favorite fruits is the perfect use of an array in coding. Practice defining and using arrays in this simple activity of creating an array and printing out each element in the array.  
I'm not scared of lions & tigers & bears; in fact, they are on my favorites list! Have your young coders practice creating arrays and using loops. First they define the array as a list of favorite animals, then print them out using a loop construct. Test that all the animals print out, and see that you are using the loop mechanism appropriately by adding more elements to the array. "Oh, my!"    
Populate your own universe with constellations and stars. Modify the existing JavaScript code to use the push method of arrays, and mouseX and mouseY to draw a star based on the click and position of the mouse. 
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row. They also discover patterns and complete a worksheet to end the lesson.

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