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Read and Write 0

Learn to read and write the number 0, and to understand the quantity "none" using comparative quantity 1.

Add Using Mental Math

In this video, Alex learns how to add 3-digit numbers uses mental math to add hundreds.

Asian-American History

From Chinese laborers in the 1800s to millions of U.S. citizens today by David Johnson When they first arrived in the United States, Asian (usually Chinese) immigrants were welcomed, or at…

Punctuation: Apostrophes

ApostrophesPunctuationPunctuation MattersPeriod, Question Mark, Exclamation Mark: The End of the LineThe Comma: A Major PlayerThe Semicolon: Love Child of the Comma and the PeriodThe Colon: What a…

How Students Find Equivalent Ratios

Students learn how to find equivalent ratios by multiplying and dividing by the same non-zero number. They will also learn ratio concepts and use ratio reasoning to solve problems.

Who Was Who in the Khmer Rouge

Who Was Who in the Khmer Rouge by Borgna Brunner Pol Pot Brother Number 1  On April 15, 1998, Pol Pot died. His body was hastily cremated without an autopsy, and there has been some…

Bombers: Northrop B-2

by David Noland Northrop B-2 Specs Length: 69 ft Wingspan: 172 ft Empty weight: 158,000 lbs Max weight: 336,500 lbs…