Instructional Video
Math Mammoth

Math Mammoth: Conversions Between Inches, Feet, and Yards

4th - 5th
Demonstrates how to convert between inches, feet, and yards, and combinations of these. [10:26]
Instructional Video
Math Mammoth

Math Mammoth: Measuring Weight in the Metric System

4th Standards
A lesson on the metric weight units grams and kilograms. Includes unit conversion problems and word problems. [8:08]
Instructional Video
Math Mammoth

Math Mammoth: Measuring Weight in Customary Units

4th - 5th Standards
A lesson on customary weight units from ounces to tons. Includes unit conversion problems and word problems. [8:05]
Instructional Video
Math Mammoth

Math Mammoth: Metric Units of Volume From Milliliter to Liter Plus Word Problems

4th - 5th Standards
Explains metric units of volume and how to convert between them. [7:28]
Instructional Video
Math Mammoth

Math Mammoth: Time Units

4th
A lesson on time units from minutes to years. Includes unit conversion problems and word problems. [14:24]
Instructional Video
Math Mammoth

Math Mammoth: Measuring Temperature: Celsius and Fahrenheit Degrees

4th
Demonstrates how to measure temperature using the Celsius and Fahrenheit scales and how to solve some temperature problems. [5:27]
Instructional Video
Math Mammoth

Math Mammoth: Adding Mixed Numbers With Like Fractional Parts

3rd - 4th Standards
Shows how to add mixed numbers when the fractional parts have the same denominator. [8:48]
Instructional Video
Math Mammoth

Math Mammoth: Subtracting Mixed Numbers (Like Fractional Parts): Three Methods

3rd - 4th Standards
Demonstrates three different strategies for subtracting mixed numbers. [8:13]
Instructional Video
Math Mammoth

Math Mammoth: Equivalent Fractions Are Easy Just Split the Pieces!

5th
This lesson demonstrates how to visualize equivalent fractions by splitting each section of a fraction into an equal number of pieces then renaming the fraction. [6:05]
Instructional Video
Math Mammoth

Math Mammoth: Least Common Denominator

5th
Introduces the topic of Least Common Denominator by first looking for a common multiple of the denominators in two fractions. [11:05]
Instructional Video
Math Mammoth

Math Mammoth: Angles in a Triangle Add Up to 180 Degrees: Exercises and Proof

6th - 8th Standards
Demonstrates how to solve problems where one angle of a triangle is unknown and how to draw an isosceles triangle with the given properties. This is followed by a proof of the angle-sum theorem. [9:18]
Instructional Video
Math Mammoth

Math Mammoth: Learn Multiplication Table of 6 Using the Structure of the Table

3rd
Teaches strategies for learning the multiplication facts for 6 up to 12 x 6. Students are then presented with a multiplication facts drill where they practice along to the video. [7:41]
Instructional Video
Math Mammoth

Math Mammoth: Multiplying Mixed Numbers

5th - 6th Standards
Demonstrates how to multiply mixed numbers by first converting them to fractions. [7:51]
Instructional Video
Math Mammoth

Math Mammoth: Multiplication of Fractions and Area of Rectangles

5th Standards
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]
Instructional Video
Math Mammoth

Math Mammoth: Divide Fractions by Whole Numbers and by Fractions: Even Divisions

5th - 6th Standards
Explains using visual models how to divide a simple fraction by a whole number or another basic fraction. [10:31]
Instructional Video
Math Mammoth

Math Mammoth: Mixed Numbers to Fractions and Vice Versa

3rd - 4th
Explains how to use visual models and shortcuts to convert fractions into mixed numbers, and vice versa. [8:15]
Instructional Video
Math Mammoth

Math Mammoth: Adding Unlike Fractions

4th - 5th Standards
In a gradual release of responsibility fashion, this video teaches students first how to add unlike fractions using a visual model where the common denominator is stated, then how to add them in the same way without a visual model, then...
Instructional Video
Math Mammoth

Math Mammoth: Adding and Subtracting Mixed Numbers

4th - 5th Standards
Demonstrates with visual models how to add and subtract mixed numbers. This is followed by examples with just numbers where the mixed numbers must be converted to a common denominator. There is also a word problem example. [10:16]
Instructional Video
Math Mammoth

Math Mammoth: Comparing Fractions: Four Methods

4th - 5th Standards
Demonstrates how to compare fractions where the numerators or denominators might be the same, by using 1/2 as a reference, and by converting fractions to the same denominator. Includes lots of examples accompanied by visual fraction...
Instructional Video
Math Mammoth

Math Mammoth: Parallelograms

4th Standards
This video explores the properties of parallelograms. Demonstrates how to measure their lines and angles and how to draw one, and presents drawing problems for students to try on their own. [10:09]
Instructional Video
Math Mammoth

Math Mammoth: Adding and Subtracting Like Fractions

3rd - 4th Standards
This lesson models how to add and subtract fractions with like denominators, beginning with visual models and advancing to problems with abstract numbers and missing addends. [6:28]
Instructional Video
Math Mammoth

Math Mammoth: Metric Units of Length (From Millimeter to Kilometer)

3rd - 5th Standards
Presents a chart showing metric units used to measure length, from millimeters to kilometers. Includes unit conversion problems and word problems. [8:27]
Instructional Video
Math Mammoth

Math Mammoth: Measuring Length to the Nearest 1/8 Inch and in Cm/mm

4th Standards
Explains how to measure length using a ruler in inches and in metric units. [10:37]
Instructional Video
Math Mammoth

Math Mammoth: Naming and Writing Two Digit Numbers

1st Standards
In this lesson, students learn how to assign place value to two-digit numbers, how to write numbers as groups of tens and ones, and how to match place value to sets of dots. [5:13]