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Math Worksheets Land
Adding Objects in Rectangular Arrays Independent Worksheet
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...
Math Worksheets Land
Adding Objects in Rectangular Arrays - Step-by-Step Lesson
These aliens will be familiar to any mathematicians who have seen Toy Story! Use an array of them to practice addition and writing number sentences. Because this worksheet includes the explanation to its one problem, project it as an...
Math Worksheets Land
Adding Objects in Rectangular Arrays - Matching Worksheet
Each of these number sentences has a corresponding set of blocks, which will no doubt help your visual learners grasp multiple-addend addition. Learners examine the sentences and match them to their block representation. Consider also...
Curated OER
Adding Objects In Rectangular Arrays
These word problems have children use the provided images to solve word problems by adding objects in rectangular arrays. Use the raw material here, but edit the grammar and wording in the problems.
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
DK Publishing
Finding 5 - Multiplying by 5
Visualize multiplication facts using rectangular arrays. Scholars multiply single-digit factors by five and represent each number sentence using sets of dots. They circle the groups of five and fill in missing parts of the equations....
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Curated OER
Factors, Arrays, and Commutativity
Students use desk arrangements to help them learn about factors, arrays, and commutativity. In this multiplication instructional activity, students read a multiplication problem about student desk arrangements. Students then brainstorm a...
Curated OER
Cheerleader Competition
For this using arrays to solve a word problem worksheet, students read facts about a cheerleading competition and arrange the cheerleaders into different rectangular arrays. Students use numbers, words, and pictures to form arrays.
Curated OER
Surface Area and Volume
Upper graders identify the surface area and attributes of figures that are measurable. They estimate, measure, and record perimeter, area, temperature change, and elapsed time, using a variety of strategies. They also determine the...
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
Hurray for Arrays and Multiplication
Third graders begin learning about multiplication using arrays. In this multiplication with arrays activity, 3rd graders interact with tiles on the overhead as they follow the teacher in making arrays. They write multiplication sentences...
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using...
Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
Curated OER
Prime and Composite Numbers
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
College Board
2012 AP® Computer Science A Free-Response Questions
There's really no better way to become acquainted with the AP test format than to look at past exams. A set of four free-response questions assesses knowledge of computer science skills. They cover a variety of topics including how to...
EngageNY
Writing Products as Sums and Sums as Products
Create rectangle and area models to help students understand expressions. The third installment in the 28-part series has pupils first represent expressions using rectangular array models. The exercises help scholars understand the...
Curated OER
Matrices
Learners explore matrices. Given a particular situation, they discover the make-up and design of a matrix. Students identify examples of rectangular arrays used in real world situations. They solve oral problems in class.
Curated OER
Number, Number Sense and Operations: Worksheet Four
Review a variety of mathematical skills with this worksheet. In this number sense and operations worksheet, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
Curated OER
Shapes and Their Insides
Learners follow a series of instructions for drawing and coloring different shapes in order to learn the difference between the perimeter and area of a polygon. Then they are asked to find the perimeter and area of a 3x4 rectangular...
Curated OER
One Hundred Hungry Ants (Multiplication and Division)
Fourth graders explore factors of numbers from 1 to 50. They gain practice with basic facts and multi-digit multiplication problems. Students practice the commutative property. They discover the link between multiplication and...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
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....
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...