78 тысяч подписчиков
597 видео
Modeling equations with a pan balance: several unknowns
Basics of the metric system and the common prefixes
Partial products - visual model: area of rectangle
How to write in a PDF file with Adobe Reader (Mac or PC)
Practice problems with quarters, dimes, nickels, and pennies (1st grade math)
Laws of exponents, part 3: recap of exponent laws (8th grade math / algebra)
Even and odd numbers - lesson for 1st or 2nd grade
The basics of the metric system
Unit rate word problem: which is a better buy? (7th grade math)
Proportional relationship or not? Number of ditches vs. number of people digging (7th grade math)
How to calculate discounts
Power of a power - exponent law (8th grade/algebra)
How to use a protractor to measure & draw angles
How to calculate the percent of change (percent of increase or decrease)
How to calculate distances on the map or in reality using the map scale
Mental math strategy: use an easier problem
Converting measurement units with ratios: chaining
Simplifying fractions the easy way - with visual models (grade 5 math)
Add and subtract decimals in columns, part 1
The order of operations - 3rd grade math (addition, subtraction, parenthesis only)
Volume word problems (7th grade math)
"How many more" word problem example - Mathy's and Giganto's jumping jacks
2-by-2 and 2-by-3-digit multiplication problems
Mental subtraction strategy: use basic subtraction facts
Laws of exponents 1: product of powers
4-digit place value: thousands (3rd grade math lesson)
Zero and one in multiplication
Strategies for mental math: add in parts & use a known fact
Regrouping with zero tens, part 1 (3-digit subtraction)
Write an equation with an unknown for a word problem, part 2
Practice problems for making money amounts with cents (1st grade math)
Volume of prisms and cylinders
Adding and subtracting negative fractions and decimals (rational numbers), part 1
Use the LCM with fraction addition / find the LCM by factoring
Review of adding integers: counters, number line, different signs, rules
Rounding to the nearest hundred: a pictograph
How many hours pass between these times (1st/2nd grade math lesson)
Telling time to the nearest 5 minutes - with numbers for the minute hand also
Regrouping with zero tens, part 2 (3-digit subtraction)
Scientific notation for large numbers (8th grade math)
Add and subtract integers practice - thinking of number line jumps
Drawing a bar graph from the given data - 4th grade math
How to find the area of triangles - and what the formula is based on
Percent of Change
How many seconds are in a day? (math word problem - multi-digit multiplication)
Add and subtract integers on the number line - "jump" to the right or left
Subtracting two numbers - 1st grade math lesson
Learn the multiplication table of 6 using the STRUCTURE of the table itself!
Adding decimals mentally, part 1 (two decimal digits; grade 4)
Telling time - whole and half hours - minute hand included (1st grade math)
