Arrays Teacher Resources
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New! Arrays of Objects
Expand your beginning coder's use of objects in programs even further by looking at examples where you can change code to define and use objects in arrays and to pass objects as parameters to a function. All of this leads to a deeper understanding how to write more effective code.
Second graders are introduced to arrays as a means for multiplication readiness. Once students are comfortable with naming the array by counting the columns and rows, they integrate skip counting.
Have fun building mathematical proficiency by engaging children in a math game! All you need to do is print the game board, playing cards, and instructions and let those kids have some fun. They move their pieces around the board in order to conquer or take each square, the trick is they can't take a square until they divide double-digit numbers and show their work. They practice writing equations, using arrays, or drawing an area model to complete each problem. Even your most reluctant mathematicians will love this game.
An educational article can be as useful a tool as a good lesson. This article focuses on how one can use arrays, repeated addition, and number lines to reinforce a deeper understanding of multiplication. Links to 5 different worksheets are included.
Students 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. Students then brainstorm a solution to the problem and watch the QuickTime video about the topic. Students complete the Commutative Operations handout and discuss. Students 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.
Going to the pumpkin patch? Start with this multiplication lesson plan using pumpkin arrays and factors between 1 and 10. As you project a hundred chart, learners use their own (handout included) to map out a farmer's field. First, he plants three rows with ten pumpkins in each. Then, he plants ten rows with six pumpkins in each. Learners record the equations in the provided worksheet, and watch for patterns when dealing with 10 as a constant factor. Follow-up activities are provided.
Second graders write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division. They solve multiplication problems by using strategies other than counting all. They interpret and solve multiplication story problems.
The creation of arrays is the focus of this mathematics lesson plan. 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 plan is embedded in the plan.
Second graders participate in a math game that allows the students to practice their multiplication skills, and reinforces the 'array' concept of multiplication. They perform multiplication calculations using numbers one to six and record their answers on a grid.
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.
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.
Fourth graders define prime numbers and examine which numbers are prime numbers. They access prior knowledge to show multiples in an array. Pupils play a game to determine which numbers are prime numbers.
Learners interpret data from a three-dimensional array of current monitors to determine an overall pattern of water circulation. They hypothesize what effect an observed water circulation pattern might have on seamount fauna. A very interesting and high-level science lesson!
Math majors investigate problem situations involving the distribution of equal shares. Strategies such as repeated subtraction, array models and the use of manipulatives develop students' understandings of division concepts.
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.