Curated Video
Efficiently Adding Decimals Using the Standard Algorithm
In this video, students learn how to add decimals efficiently using the standard algorithm. The teacher explains the importance of lining up the decimal places and place values correctly, and demonstrates the step-by-step process of...
Professor Dave Explains
Calculating Percent Error
Sometimes we take measurements, and sometimes we're off by a little bit. How far off? Does it make sense to just use a number? Shouldn't we use something that tells us how far off we are relative to the true value? Yes we should, hence,...
Curated Video
Using Estimation to Determine if Your Answer Makes Sense
This video teaches students how to determine if their answers make sense by using estimation before solving problems. It emphasizes the importance of understanding units and thinking about the context of the problem to avoid making...
Curated Video
Agile Masterclass: Agile for Project Management - Unequal-Sized Tasks
This video explains unequal-sized tasks. This clip is from the chapter "Introduction to Agile Kanban" of the series "Agile Project Management: Agile, Scrum, Kanban, and Extreme Programming".This section introduces you to Agile Kanban.
Professor Dave Explains
Measurement and Significant Figures
When we take a measurement or make a calculation, how many digits do we use? There's rules, friend! You must obey the sig figs. Don't worry, learn all about them in this clip, and you'll be the coolest kid on the block.
Curated Video
Subtracting Decimals Using the Standard Algorithm
In this video lesson, students will learn how to subtract decimals using the standard algorithm. The teacher explains the importance of place value and estimation when subtracting decimals. The step-by-step process of lining up the...
Getty Images
Older businessman shows calculator to client in small private corporate office
Older businessman shows calculator to client in small private corporate office
Getty Images
Older businessman calculates, dictates sum to client in small private corporate office
Older businessman calculates, dictates sum to client in small private corporate office
AFP News Agency
CLEAN : SUV popularity in China casts cloud
CLEAN : SUV popularity in China casts cloud
Bloomberg
Indonesia Should Capitalize on Trade Crisis Says Minister
Jul.12 -- Indonesia Development Minister Bambang Brodjonegoro discusses Indonesia's growth projections for the next year, trade deficits, and also how the country needs to capitalize on trade tensions between U.S. And China. He speaks...
AFP News Agency
VOICED : Dialogos de paz con ELN van bien afirma gobierno de Colombia
Las negociaciones de paz con la guerrilla Ejercito de Liberacion Nacional van bien segun estimo el viernes el gobierno colombiano luego de que las platicas se tensaran por un atentado a las afueras de la plaza de toros de Bogota...
AFP News Agency
CLEAN : Smuggled Russian royal jewels to go under the hammer
Sotheby's auction house in Geneva gives a preview of a sapphire-and-diamond brooch and matching ear clips which once belonged to Russia's Romanov imperial dynasty before they are put up for sale (Footage by AFPTV via Getty Images)
AFP News Agency
CLEAN : AFP launches first-ever photo auction of its 'analogue years'
For the first time ever, AFP is launching an auction with some 200 photos from its analogue photography collection, which will go under the hammer in Paris on October 3rd (Footage by AFPTV via Getty Images)
AFP News Agency
VOICED : Paris's largest maternity hospital struggles for staff amid tough conditions
They no longer have any desire to work in these large maternity hospitals where the daily work is difficult": at Port-Royal maternity hospital, the largest in Paris, fledgling midwives do not stay long (Footage by AFPTV via Getty Images)
Curated Video
Analyst: Mugabe and family not likely to stay in Zimbabwe
Zimbabweans in South Africa celebrated President Robert Mugabe's resignation on Tuesday in the streets of Hillbrow, a suburb in the centre of Johannesburg.
Mugabe resigned as president with immediate effect Tuesday after...
Flipped Math
Calculus AB/BC - Estimating Derivatives of a Function at a Point
It seems like it should be about three. Pupils learn to get an estimate of the derivative of a function at a point by using the derivative functionality of their graphing calculators. They take that information to determine the equation...
Khan Academy
SAT Prep: Test 2 Section 9 Part 1
Sal works up an appetite for his Thanksgiving turkey in this video, which takes students through the first five problems of a new set of SAT practice questions from The Official SAT Study Guide. Problems involve algebraic word problems,...
Khan Academy
SAT Prep: Test 1 Section 6 Part 3
Sal is having a blast in this video, and his fun-loving attitude will rub off on even your most stressed-out test-takers. Problems 7-10 in the practice SAT require skills in linear equations, as well as approximation and basic algebra.
Khan Academy
SAT Prep: Test 5 Section 9 Part 2
Sal notes the important of reading a question very carefully in this video, as he nearly misreads a problem but catches his error before it's too late. Most problems shown here involve algebra skills.
Khan Academy
SAT Prep: Test 4 Section 2 Part 1
As all SAT-ready (and readying) students know, the problems on the SAT go from simple to more complicated. The same is true in this video, which begins another SAT review session on page 582 of The Official SAT Study Guide. Sal zips...
Curated OER
Estimation with Decimals
Estimation is a good way to build and assess a student's number sense. Watch as Sal uses estimation to solve a problem where he must determine how much 'Janelle' ran during a 4-day period. He calculates the exact amount and compares the...
Khan Academy
Multiplication Estimation Example, Multiplication and Division, Arithmetic
Are your students learning about solving word problems involving multiplication? If they are, then this video could be a perfect complement to your lesson. Sal shows students how to use rounding to estimate the product of a double-digit...