Instructional Video
Math Mammoth

Math Mammoth: Measuring to the Nearest Centimeter

2nd Standards
In this video, students are shown how to use a ruler to measure length to the nearest centimeter, and how to estimate and compare length. [3:53]
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: 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: Mental Addition of Two Digit Numbers

2nd - 3rd Standards
This video explains some strategies that are helpful for adding two-digit numbers in your head. [8:00]
Instructional Video
Math Mammoth

Math Mammoth: Comparing Decimals

4th - 6th Standards
This lesson demonstrates how to use a place value chart to compare decimal numbers. [5:49]
Instructional Video
Math Mammoth

Math Mammoth: Reading the Clock to the Five Minutes: Part 1

2nd - 3rd Standards
This lesson demonstrates how to tell time to five-minute intervals on an analog clock. [8:35]
Instructional Video
Math Mammoth

Math Mammoth: Telling Time: "Past" and "Till"

2nd - 3rd Standards
This lesson demonstrates how to read an analog clock to five-minute intervals using the terms "past" and "till" to tell the time after or before the hour. [8:33]
Instructional Video
Math Mammoth

Math Mammoth: Number Rainbow and Fact Families With 12

2nd Standards
Teaches strategies for learning the addition and subtraction facts for 12 using a number rainbow. Students are then presented with a subtraction facts drill where they practice along to the video. [6:40]