Math Mammoth

by MathMammoth

1,333 subscribers

1,158,479 video views

Structured drill of the multiplication tables - much more effective!

39,390 views

by MathMammoth 5 months ago

Uploaded videos

1-10 of 89

8:32 Scaling figures and the scale ratio MathMammoth 237 views 3 weeks ago When a figure is enlarged or shrank proportionally, or when two figures are similar, the scale ratio is the ratio of one side of the figure to the corresponding side in the...
11:55 Proportional relationships / Direct variation MathMammoth 192 views 1 month ago How can we determine if two variables are in a proportional relationship or not? If you write a table of the values of the two variables, when one variable increases by som...
11:39 Unit Rates and More about Proportions MathMammoth 129 views 1 month ago A unit rate is a rate where the second term in the rate is 1 of something, such as $5 per $1 or 65 miles : 1 hour. You can always solve the unit rate from a non-unit rate b...
12:20 Solving Proportions MathMammoth 371 views 1 month ago Proportion is defined as an equation of the type (ratio) = (ratio). I show three different ways of solving proportions: 1) table 2) thinking of equivalent fractions 3) cro...
14:24 Time units MathMammoth 326 views 1 month ago A basic lesson about different time units (minutes, hours, days, months, years) for about 4th grade level. I solve a few conversion problems and several word problems invo...
5:28 Measuring temperature - Celsius and Fahrenheit degrees MathMammoth 179 views 1 month ago I compare Celsius and Fahrenheit scales for measuring temperature and give some ballpark temperatures for both. Lastly, I solve simple problems about rising or dropping tem...
7:28 Metric units of volume MathMammoth 153 views 1 month ago The main units we use in the metric system for measuring volume are milliliter and liter. But actually there are two units between those: centiliter and deciliter. Then I s...
8:28 Metric units of length (from millimeter to kilometer) MathMammoth 209 views 1 month ago I explain the metric units for length from millimeter to kilometer on a chart. Then I solve some conversion problems, and lastly a few word problems.
10:37 Measuring length to the nearest 1/8 inch and in centimeters/millimeters MathMammoth 747 views 2 months ago This is a lesson for about fourth grade level, where students are already familiar with centimeters and inches from the previous grades. I explain how to measure length...
8:06 Measuring weight in customary units MathMammoth 296 views 2 months ago In the customary system, we have the units ounce, pound, and (short ton). I give some "ballpark" weights of various things, and then go on to solve simple conversion proble...

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About Math Mammoth

Math teaching tips taken from my Math Mammoth books. My aim is to help teachers, parents, and tutors to teach mathematics. Students will benefit also!

mathmammoth.com/

by MathMammoth

Latest Activity

May 2, 2012

Date Joined

Jan 14, 2008

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