Curated Video
Determining the Reasonableness of Sums and Differences Using Benchmark Fractions
In this video, students learn how to determine the reasonableness of sums and differences involving fractions by using benchmark fractions. They are introduced to the concept of benchmark fractions, which are commonly used fractions with...
Curated Video
How to Estimate the Sum of 2 Fractions
In this short math video we will answer a standardized math test question where we are asked to estimate the sum of two fractions. We will consider the numerator and denominator of each fraction in the sum. We will round each to the...
Curated Video
Estimating Fraction Sums and Differences with Benchmark Fractions
In this video, students learn how to use benchmark fractions to estimate the sums and differences of fractions in story problems. The teacher explains the concept of benchmark fractions using the dollar and number line representations.
Economics Explained
The Economics of Foreign Exchange: Globalization
The foreign currency exchange market is one of the most influential markets in the world today, the New York stock exchange, the Nasdaq and the Tokyo stock exchange the three largest securities markets in the world have a daily trading...
The Wall Street Journal
A New Vision for New York
Hear from the developer behind Hudson Yards in a discussion about the challenges and opportunities in creating new urban neighborhoods and communities.