The activities on this page will help you to better understand place value in hundreds, tens and ones.
Adding and Subtracting Integers
Now that you have mastered the common math operations of adding, subtracting, multiplying and dividing, you are ready to tackle some more challenging, yet practical problems.
Let's learn about numeric and geometric patterns!
Addition is Fun!
Practice your addition skills in these fun games! Use your addition skills to play baseball in Addition Baseball! Use addition to find Da Number! Answer the addition questions to blast your way through the tunnel in Tunnel Blaster!!
NASA CONNECT The Venus Transit
In NASA CONNECT Venus Transit, students will learn about the importance of using scale models to represent the size and distance of objects in the solar system and beyond. They will be introduced to the astronomical unit (AU), the baseline distance from the Earth to the Sun, which astronomers use to determine the relative distances from the Earth to other planets, stars, asteroids, and objects in space. They will also discover fascinating facts about the Venus Transit, a celestial and historical
Panel: "Japan's Earthquake and Tsunami: Dimensions of the Disaster and Future Prospects"
On Tuesday, April 5, SAIS hosted a forum on "Japan's Earthquake and Tsunami: Dimensions of the Disaster and Future Prospects" featuring Ichiro Fujisaki, Japanese ambassador to the United States; Jessica P. Einhorn (welcome remarks), dean of SAIS; David Barlow, captain of the Virginia Task Force 1 Urban Search and Rescue Team of the Fairfax County Fire and Rescue Department; Hironori Kawauchi, senior economist of the East Asia and Pacific Region at the World Bank; Ryo Tsuzukihashi, Japanese SAIS
InformÃ tica Aplicada a la GestiÃ³ de l'Empresa
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This program covers the logarithmic relationship, the use of logarithmic properties, and the handling of a scientific calculator. How radioactive dating and the Richter scale depend on the properties of logarithms is explained. Many rules and tests from previous programs are also incorporated into the lesson. (28:46)
Zoellick on Unemployment in the Middle East
Apr. 6 - World Bank president Robert Zoellick talks about creating jobs in the Arab world in the midst of political turmoil.
The Influence of the Eichmann Trial on the Israeli Public's Attitude Towards Holocaust Survivors
Prof. Dalia Ofer, of the Institute of Contemporary Jewry at the Hebrew University discusses the ways in which the Eichmann trial influenced the Israeli public attitude towards Holocaust survivors. The video is part of the series "Insights and Perspectives from Holocaust Researchers and Historians", Supported by the Claims Conference. For more lectures, click here: http://www1.yadvashem.org/yv/en/holocaust/insights/video/index.asp
2.2 Species showing torpor or deep hibernation
Hibernation is an ingenious adaptation that some animals employ to survive difficult conditions in winter. This unit examines the differences between hibernation and torpor, and discusses the characteristic signs of hibernation behaviour. It explores the triggers that bring on hibernation, and whether internal signals or external season cues are predominant. It also examines the physiological adaptations that occur in hibernating animals. This unit builds on and develops ideas introduced in the
6.4.2 A broad view of technology
Global warming: are we responsible? Is our environmental impact damaging the planet? This unit examines the use of ozone depleting technology, the impact of fossil fuel use and explores how the development of technology can influence the direction of a society. From the Industrial Revolution to the present day find out how we have changed the planet.
There is increasing recognition that the reductionist mindset that is currently dominating society, rooted in unlimited economic growth unperceptive to its social and environmental impact, cannot resolve the converging environmental, social and economic crises we now face. The primary aim of this unit is to encourage the shift away from reductionist and human centred thinking towards a holistic and ecological worldview.