The “Blue Book” is the advanced version and is for upper-intermediate and advanced learners. There’s also a “Green Book” for high beginners and the “Red Book,” which is designed for intermediates students. All three levels are quite challenging compared to other books, which is why they’re only recommended for serious learners preparing for proficiency tests or need to learn English for their profession.
Exercises in skip counting, solving number puzzles, understanding hundreds, working with fractions, telling time, adding, subtracting, and beginning to multiply keep kids excited about math.
As huge wildfires are finally brought under control in Alberta, in Canada, we focus on the Transit of Mercury. How this celestial event helped us to begin to understand our place in the Solar System and beyond is also explained. The Philippines has voted for a new president. He is likely to be very different to all who have gone before him. The USA now has a national mammal and the builders of tens of thousands of earth mounds in a remote part of South America are introduced.
How were the ancient wonders of the world built? How many people did it take to build the Great Wall of China and the Sphinx at Giza? This text seeks to answer such questions, examining these spectacular feats of engineering and celebrating the achievements of the builders who worked without the aid of modern technology.
Specifically for children in first grade, this essential workbook teaches children basic math concepts and skills and then offers a variety of activities for skill-and-drill practice. Featuring 48 pages of challenging lesson content with real-life applications, easy-to-understand directions and a complete answer key.
