Curated OER
Arranging Chairs (Arrays)
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...
Math Salamanders Ltd.
Understanding Multiplication Using Arrays 4
For this multiplication instructional activity, students change arrays into four multiplications.
Math Salamanders Ltd.
Understanding Multiplication Using Arrays 3
Learners use arrays to understand the concept of multiplication better and solve problems. They solve four multiplication problems.
Curated OER
Using Arrays to Show Multiplication Concepts
Learners practice multiplication concepts. In this multiplication activity, pupils make arrays by using counters and solve various multiplication questions. They model arrays with counters for reinforcement.
Illustrative Mathematics
Counting Dots in Arrays
Mathematical arrays can represent several different math skills, including counting groups, multiplication, and even area. In this specific task, learners are asked to identify the addition equations that are equal to a 3 x 4 array....
Curated OER
Factors, Arrays, and Commutativity
Young scholars 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. Young scholars then brainstorm a...
K12 Reader
Using Arrays for Multiplication
Using arrays for multiplication is the subject of a two-part reading comprehension instructional activity that asks kids to first read a short passage about arrays and then to respond to a series of questions based on the text.
Curated OER
Multiplication & Division with Arrays
Third graders work with fact families using the commutative property, arrange arrays with manipulatives, and multiply and divide symbolically with numbers.
Curated OER
Array Bingo
Students recognize patterns in arrays and repeat these patterns back to the teacher. They determine and tell the teacher the total number of squares in the array based on the pattern they recognize.
Khan Academy
Challenge: Favorite Fruits
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.
Curated OER
Multiplication Strategies - A Day at the Zoo
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....
Curated OER
Multiplication: Bugs Can Multiply, So Can I!
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....
Khan Academy
Project: Make it Rain
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...
Math Salamanders Ltd.
Understanding Multiplication Using Arrays
In this multiplication array worksheet, students change a set of 2 arrays into multiplications, then draw three groups of seven circles, multiplying seven times three and adding seven three times.
Math Salamanders Ltd.
Understanding Multiplication Using Arrays 1
In this multiplication array instructional activity, learners change arrays into multiplications. A reference website is provided for additional activities.
Math Salamanders Ltd.
Understanding Multiplication Using Arrays 5
For this multiplication activity, learners use arrays to write multiplication problems and then multiply them to find the answer. Students complete four problems.
Curated OER
Using Arrays to Show Multiplication Concepts
Young scholars draw arrays. In this multiplication instructional activity, students draw arrays, write multiplication sentences for arrays and discuss how changing the order of the factors affects the product.
Curated OER
Arrays To See Multiplication
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.
Curated OER
Multiplication and Division with Arrays
Students practice the commutative property, create and manipulate arrays and multiply and divide numbers.
Curated OER
Basic Multiplication Facts - MathKeys Software
Students explore multiplication concepts. In this multiplication lesson, students define "array" and draw several arrays to represent multiplication number sentences. Students construct arrays on the computer using MathKeys...
Curated OER
Relating Multiplication and Division
Help the class determine missing factors in equations by creating arrays. Through modeling and practice, they come to see the inverse relationship between multiplication and division. As an assessment, individuals build their own array...
Khan Academy
Challenge: Favorite Animals
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...
Khan Academy
Challenge: Constellation Maker
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.
Curated OER
Division by Fractions (Part Two)
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.
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