Curated Video
Dividing Using Rectangular Arrays
In this video, the teacher explains how to divide using a rectangular array. They also discuss the concept of multiplication and division as inverse operations and demonstrate how to break down challenging problems into smaller parts.
SciShow Kids
Camouflage: Animal Hide & Seek
A SciShow kid wrote us and asked: What is camouflage and how does it work? Join Jessi as she explores how different kinds of animals play hide-and-seek in the wild!
KnowMo
Converting Decimals into Fractions
This is a lecture video that explains how to convert decimals into fractions. The presenter begins by defining what fractions are and pointing out the importance of understanding place value. They then go on to list common decimal to...
PBS
How Do You Measure the Size of the Universe?
The universe is HUGE. But, there is only so much of the universe we can ACTUALLY see, and if we wanted to measure that FINITE space, how would we do it? A gigantic ruler? One really long car ride? Or maybe it's something even more...
NUMBEROCK
Counting to 20 Song For Kids | Learn To Count From 1-20 | Pre-K - Kindergarten
Video: Count to 20 Number Song for Kids | Counting 1-20 Fun Song for Children Grade Levels: Pre-K / Preschool, Kindergarten, & 1st Grade Follow Lindsey and her cousin Benji as they go on a picnic and see all sorts interested animals...
The Kiboomers
Counting by 2s Song for Kids | Skip Counting Songs for Kindergarten | The Kiboomers
SKIP COUNTING BY 2'S SONG LYRICS' | "SKIP COUNTING BY 2'S FOR KINDERGARTEN' Skip Count Skip Count by 2 Skip Count Skip Count by 2 Skip Count Skip Count by 2 Let's count to 100 2 4 6 8 10 12 14 16 20 22 24 26 28 30 32 34 36 38 40 42 44 46...
Curated Video
Multiplying Whole Numbers by Fractions Using Repeated Addition Models
In this lesson, students will learn how to multiply whole numbers by fractions using repeated addition models. They will understand that multiplication can be thought of as equal groups or repeated addition. Through various examples and...
Imagine Learning Classroom
Learn Zillion: Divide 4 Digit Dividends by 2 Digit Divisors
In this lesson, you will learn how to divide by using a rectangular array. [5:04]
Math Mammoth
Math Mammoth: Multiplication of Fractions and Area of Rectangles
Demonstrates using visual models of rectangular arrays how to multiply fractions and how this can be used to find the area of rectangles. [8:02]
Math Mammoth
Math Mammoth: Area of Rectangles and Rectangular Shapes
Demonstrates how to find the area of a rectangle using unit squares. [9:53] CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Khan Academy
Khan Academy: Repeated Addition: Haircuts
Demonstrates how to use repeated addition to count how many haircuts Rafael gets in one year. [2:09]