Arrays Teacher Resources

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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.
Students study the use of the Commutative Property and arrays. In this Commutative Property and array lesson, students watch a teacher demonstration of the use of arrays using a set of cans. They discover the Commutative Property of multiplication during the lesson, and practice making arrays with stickers.
Third graders play a game on the computer called "Last Array" where they practice their multiplication skills. In this multiplication lesson plan, 3rd graders try to be the last person to place an array on the computer screen.
Fourth graders demonstrate multiple ways to represent whole numbers, decimals, and fractions. Through demonstration and hands-on activities they model square numbers using arrays. Students visually determine that the array makes a square.
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 and write corresponding equations.
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 software.
Fourth graders participate in a instructional activity that uses word problems in order to reinforce the skill of division. They use the methods of array, repeated subtraction, and number line in order to solve the word problems.
In this critter count: student exploration activity, 5th graders use the online Gizmo to solve multiplication problems, create arrays and use the commutative property.
Learners illustrate multiplication problems using Unifix cubes. Some very nice attachments are present in this tasty activity which uses baked goods to illustrate an array.
Third graders investigate the commutative properties of multiplication and focus upon the setting of cubes in the correct patterns to solve problems. They differentiate between numbers that have multiple factors and prime numbers. Students arrange the cubes in arrays.
For this mathematics worksheet, 2nd graders use counters to show an array. Then they write the multiplication fact for that array. Students also identify if the reverse of a multiplication fact is equal and explain why.
Students practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and determine algebraic reasoning to explain the pattern.
Fourth graders multiply multi-digit numbers using rectangular arrays, and a variety of mental math strategies. They multiply two-digit numbers through building, sketching, and showing the computation with partial products.
Using the book Amanda Bean's Amazing Dream: A Mathematical Story, 2nd graders discuss how to solve math problems using multiplication. They are encouraged to solve a series of multiplication problems using model building, drawing, arrays, skip counting or repeated addition. After exploring these algorithms they share their thinking and complete a worksheet related to the book. This is a great problem solving lesson plan that builds a foundational skill set.
After analyzing objects arranged in rectangular arrays, youngsters write addition sentences to describe each. Model this for the class before they start, as the idea isn't completely clear. Note the third question may throw some students for a loop; they have to include zero as one of the addends. There are arrays with one, two, three, and four addends here. Ten problems total.
Students explore arrays. They get into pairs and receive bags of small buttons to each group.
Second graders, in pairs, use arrays to explore the relationship between multiplication and division.
Sixth graders explore probability through experiments using lists, arrays, tree diagrams, and station games. In this theoretical probability lesson, 6th graders use a tree diagram to find probable outcomes in an experiment. Students then rotate through stations, playing theoretical probability games. Students determine if the games are fair or biased.
For this arrays worksheet, 3rd graders write a multiplication sentence for 3 arrays, make a square array and number for 3 sets of tiles and answer 1 word problem.
In this multiplication worksheet, 3rd graders use different arrays to show the same product. They complete 4 problems in which they draw multiple arrays for the given product such as drawing 4 different arrays to show the product 10.

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