Curated Video
Choosing Strategies for Explaining Addition and Subtraction
In this lesson, students will explore different strategies to prove correctness, including using place value, breaking numbers apart, and utilizing the commutative and associative properties of addition. By analyzing examples and...
Professor Dave Explains
Multiplication and Division of Small Numbers
Basic multiplication and division.
Curated Video
Adding and Subtracting within 20 Using Doubles
In this video, students learn how to add and subtract within 20 by using doubles. The teacher explains the concept of doubles facts and how they can make adding easier. Students also learn about fact families and how addition and...
Curated Video
Subtracting Within 20: Finding the Difference Between Two Numbers
This video is a math lesson that teaches how to subtract within 20 by finding the difference between two given numbers. The video starts by reviewing the definition of subtraction and explaining how subtraction is related to addition...
Curated Video
Simplifying Expressions with Order of Operations
In this video, you will learn how to simplify whole number expressions using the order of operations. The lesson introduces the acronym GEMDAS, which stands for grouping, exponents, multiplication, division, addition, and subtraction, to...
NUMBEROCK
Integers
Erika discovers integers in the most fun real life situations - watch her as she snorkels by primordial creatures, borrows some money to buy a ticket to go skydiving, and put's on her coat in sub-zero temperatures for a snowball fight!...
NUMBEROCK
Subtraction (Regrouping)
Farmer Jerry loves to rap about regrouping as much as he hates getting chased by those pesky bees! Listen to Farmer Jimmy spin some slick rhymes as he shows us what's going on when we regroup in subtraction. Come along and take a visit...
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Clay Currency Zloty Into Real Morph
Colourful Claymation Reveal Of Polish Zloty Morphing Into Brazilian Real Symbols With Luma Matte