Math Mammoth
Math Mammoth: The Rules for Multiplying Integers and Why They Work
A lesson in how to solve multiplication questions involving negative integers, including some where the negative integer has an exponent. [9:53]
Math Mammoth
Math Mammoth: Integers Lesson: Solved Examples, Part 2
Models how to solve integer problems on absolute value and on the dilation of a triangle. [4:25]
Math Mammoth
Math Mammoth: Integers Lesson: Solved Examples, Part 1
Demonstrates how to solve several types of integer problems. [6:07]
Math Mammoth
Math Mammoth: Decimal Place Value and Adding Decimals, Up to 2 Decimal Digits
Discusses decimal place value and looks at a misconception students may have about decimal addition and how to clear it up. [8:00]
Math Mammoth
Math Mammoth: Decimal Place Value: Thousandths
A lesson in decimal place value to the thousandths place. Students are also shown how to write them as fractions or the reverse. [8:15]
Math Mammoth
Math Mammoth: Add and Subtract Decimals Mentally (With Up to 3 Decimal Digits)
A lesson in how to add and subtract decimals to the thousandths place using mental math. [10:40]
Math Mammoth
Math Mammoth: Multiplying Decimals by Decimals: Decimals by Whole Numbers
Demonstrates how to multiply a decimal number by a whole number and how to do decimal multiplication by 'scaling' a stick model. [3:43]
Math Mammoth
Math Mammoth: Multiplying Decimals by Decimals: The Shortcut
Demonstrates a shortcut strategy for multiplying decimals by decimals. [6:45]
Math Mammoth
Math Mammoth: Problem Solving With Bar Models: Fractional Part of a Whole
Demonstrates how to use a bar model to solve word problems involving fractional parts. [5:17]
Math Mammoth
Math Mammoth: Using Bar Models: Problem Where Total and Difference Are Given
Demonstrates how to solve several types of word problems using a bar model in the style of Singapore Math. [4:10]
Math Mammoth
Math Mammoth: More Problem Solving With Bar Models, Part 1
Demonstrates how to use bar models to solve word problems involving fractional parts. [5:34]
Math Mammoth
Math Mammoth: Number Rainbow and Fact Families With 11
This video demonstrates how to use a number rainbow to represent the subtraction and addition facts for 11. Students are then presented with a subtraction facts drill where they practice along to the video. [5:46]
Math Mammoth
Math Mammoth: Number Rainbow and Fact Families With 13
This video demonstrates how to use a number rainbow to represent the subtraction and addition facts for 13. Students are then presented with a subtraction facts drill where they practice along to the video. [4:24]
Math Mammoth
Math Mammoth: A Mental Math Trick: Addition With Nine and Eight
Learn a simple trick to help you add 9 or 8 to a number quickly, and how this can work with larger numbers ending in 9 or 8 as well. [8:59]
Math Mammoth
Math Mammoth: Adding Three or Four Single Digit Numbers Mentally
In this lesson, students are shown strategies for adding several single-digit numbers in their heads. [7:12]
Math Mammoth
Math Mammoth: Add a 2 Digit Number and a 1 Digit Number Mentally: No Regrouping
Uses visual representations to model how to solve the addition of a 2-digit and a 1-digit number where there is no regrouping. [9:10]
Math Mammoth
Math Mammoth: Review: Adding and Subtracting Whole Tens
This video goes over how to add and subtract multiples of ten to or from a 2-digit number. [8:14]
Math Mammoth
Math Mammoth: Mental Math: Add and Subtract Multiples of Ten
This video goes over how to add and subtract multiples of ten to or from a 3-digit number. [9:54]
Math Mammoth
Math Mammoth: Add and Subtract Multiples of 100: Mental Math
Learn how to add and subtract multiples of a hundred when working with 3-digit numbers. [8:14]
Math Mammoth
Math Mammoth: Halves, Quarters, and Thirds: Simple Fraction Lesson
An introduction to simple fractions using visual models. [7:05]
Math Mammoth
Math Mammoth: Comparing Fractions Visually
In this lesson, visual models are used to compare simple fractions. [7:13]
Math Mammoth
Math Mammoth: One Half of a Number: Easy Math Lesson
This lesson discusses halving and doubling numbers and how these two concepts are related. [7:38]
Math Mammoth
Math Mammoth: The "Teen" Numbers: Thirteen Through Nineteen: Place Value Lesson
In this lesson, students learn that the number suffix 'teen' actually means 'ten' and how this relates to place value. Includes some work with a hundreds chart. [7:15]