Mucho Math
Algebra2go: Rounding Numbers Using a Number Line
The concept of rounding numbers is first demonstrated using a number line. Secondly, the rounding rules are defined.
Study Pug
Study Pug: Understanding the Number Systems
Numbers can be categorized more specifically into different number systems, for instances, natural numbers, whole numbers, integers, rational numbers, and irrational numbers. In this video, you will learn how to classify numbers into...
Study Pug
Study Pug: Multiplying Fractions and Whole Numbers
This video walks you through the four main steps when multiplying fractions with whole numbers. Includes explanations, examples and practice problems. [1:00]
Khan Academy
Khan Academy: Rounding Whole Numbers to the Nearest Hundred
The video walks through an example of rounding 24,259 to the nearest hundred. Links to other lessons are provided.
Math Antics
Math Antics: Fractions and Decimal Numbers
Gain a basic understanding of fractions and decimal numbers through this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [9:14]
Math Antics
Math Antics: Negative Numbers
Gain a basic understanding of negative numbers by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [8:26]
Khan Academy
Khan Academy: Creating the Largest Number
Sal Kahn arranges digits to make the largest possible number.
Khan Academy
Khan Academy: Multiplying Whole Numbers by 10
The teacher finds a pattern from multiplying whole numbers by 10.
Khan Academy
Khan Academy: Estimating Division That Results in Non Whole Numbers
The teacher uses division to estimate the results in non-whole numbers.
Khan Academy
Khan Academy: Equivalent Fractions and Different Wholes
Sal Kahn shows that two fractions are equivalent only if they refer to the same whole.
Khan Academy
Khan Academy: Rounding Whole Numbers: Missing Digit
Lindsay finds the missing digit in an estimation problem by using a number line.
Khan Academy
Khan Academy: Rounding Whole Numbers Word Problems
Sal solves word problems by rounding whole numbers to the nearest ten, hundred, or thousand.
Khan Academy
Khan Academy: Introduction to Dividing by 2 Digits
Sal uses estimation to introduce dividing by 2-digit numbers.
Khan Academy
Khan Academy: 2 Step Word Problem: Theater
Solve a two-step word problem by drawing a picture and creating an equation.
Khan Academy
Khan Academy: 2 Step Word Problem: Running
Solve a 2-step word problem by drawing a picture and creating an equation.
Khan Academy
Khan Academy: 2 Step Word Problem: Truffles
Sal solves a two-step word problem by drawing a picture and creating an equation.
Khan Academy
Khan Academy: 2 Step Estimation Word Problems
Sal solves a 2-step estimation word problem with whole numbers.
Khan Academy
Khan Academy: Estimating Adding and Subtracting 3 Digit Numbers
Use estimation to find reasonable solutions to addition and subtraction problems.
Sophia Learning
Sophia: Drawing a Number Line: Lesson 3
This lesson demonstrates how to draw a vertical or horizontal number line with positive numbers. It is 3 of 10 in the series titled "Drawing a Number Line."
Sophia Learning
Sophia: Drawing a Number Line: Lesson 5
This lesson demonstrates how to draw a vertical or horizontal number line with positive numbers. It is 5 of 10 in the series titled "Drawing a Number Line."
Sophia Learning
Sophia: Drawing a Number Line: Lesson 1
This lesson demonstrates how to draw a vertical or horizontal number line with positive numbers. It is 1 of 10 in the series titled "Drawing a Number Line."
Sophia Learning
Sophia: Relating Positive and Negative Numbers: Lesson 10
This lesson discusses the relationship between positive and negative numbers. It is 10 of 13 in the series titled "Relating Positive and Negative Numbers."
Sophia Learning
Sophia: Relating Positive and Negative Numbers: Lesson 2
This lesson discusses the relationship between positive and negative numbers. It is 2 of 13 in the series titled "Relating Positive and Negative Numbers."
Sophia Learning
Sophia: Relating Positive and Negative Numbers: Lesson 4
This lesson discusses the relationship between positive and negative numbers. It is 4 of 13 in the series titled "Relating Positive and Negative Numbers."