Curated OER
Multiplication
Students study multiplication. In this multiplication lesson, students explore factors, products and arrays. Students investigate word problems using various operations.
Curated OER
Counting (Up to 120)
These five sets of objects provide a counting challenge for learners: will they discover strategies to make their job easier? Each array has between 44 and 95 objects in rows. Have learners do the first one, then review their strategies....
Curated OER
Array to Go!
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.
Pennsylvania Department of Education
Multiplication Represented as Arrays
Third graders collect data about themselves and use in a line plot. In this analyzing data lesson, 3rd graders collect various sets of information,create a line plot and compare the data. Students complete a worksheet on their...
California Education Partners
Window Washers
Aim high with a task on window washers. An assessment task challenges learners to determine the number of windows two people wash. They do this using a given number of window rows on each side of a building. In addition, they find the...
Curated OER
Picture Board
Learners divide a poster board so everyone gets the same amount of area to decorate. Youngsters talk about the different ways to divide a rectangle. They measure their lines to make sure that each piece is equal and then decorate their...
Curated OER
Modeling Multiplication and Division of Fractions
Create models to demonstrate multiplication and division of fractions. Using fraction tiles to model fractions, pupils explore fractions on a ruler and use pattern blocks to multiply and divide. They also create number lines with fractions.
Curated OER
Relating Multiplication and Division Facts
Math wizards investigate multiplication and division fact families. They solve five problems in which they find fact families and draw arrays.
Curated OER
States and Stars
In this math challenge worksheet, students examine the pictures of 3 American flags and respond to 3 questions that require them to identify arrays.
Curated OER
In the Ballpark
Students practice estimation skills with the video series "Interactions: Real Math, Real Careers". They complete a hands-on activity for estimating large numbers.
Curated OER
Matching Even and Odd Numbers
Although learners don't need to identify numbers as even or odd here, they do match each to a set of shapes. There are six numbers written numerically along with either odd or even. Scholars match each to a set of shapes with...
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.
Curated OER
Arrays
In this arrays worksheet, students analyze 10 arrays. There are no directions on the page, but it is assumed that students would write the multiplication fact that matches each array.
IBM
The Human Body
Every moment, the systems in your body are working together to keep you breathing, standing, and thinking. Elementary schoolers explore the human body and its systems with an impressive, 15-page lesson plan that should leave your...
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Math Worksheets Land
Multiplication of Whole Numbers - Step-by-Step Lesson
Use this array of cars to give mathematicians practice writing multiplication sentences. They examine the set and represent it as the sentence 3 x 6 = 18. Because there is a detailed explanation below this one problem, this works best as...
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...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Curated OER
Summer Counting Worksheet
In this counting instructional activity, students count sets of four summer objects and circle the correct number according to the directions.
Howard County Schools
Exit Ticket 3.MD.5
Intended for use as an exit ticket, this learning exercise can be used as an extension to a lesson, test, or even homework. Learners complete three tasks that involve finding the area of a figure in square units. Young mathematicians can...
NASA
Down to Earth
There are only 10 types of people in the world: those who understand binary and those who don't. The lesson includes four activities in which students learn binary, convert binary to images, understand CCD arrays, and interpret...
Curated OER
Technology
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.
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
The Difference of Two Squares
Learners 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...
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