Fill in any positive or negative numbers you want to have all the numbers add up correctly in all directions.
Check out my Brain Fitness Puzzles and Games book series.
Do you love riddles? How about historical events riddles? Well, we have 30 historical event riddles waiting for you to solve!
Welcome to the EQ Self-Awareness Quiz! This 10-question quiz is designed to help you discover and understand your emotional intelligence.
Challenge your knowledge of world landmarks with these riddles about 30 of the most famous landmarks in the world. Can you guess them all?
Improve English listening for international exams. Explore the philosophy of happiness and the good life in this 1000-word lecture with 10 MCQs & feedback, plus key vocabulary.
Explore the extraordinary life of Frida Kahlo. Delve into her passionate art, her resilience against immense pain, her complex relationship with Diego Rivera, and why she remains a global icon. Learn about her symbolism, her impact on feminism, and her vibrant Mexican heritage in this comprehensive article.
Boost your English reading score! Practice with an academic-style passage on the Psychology of Happiness, 10 questions with feedback, and key vocabulary for exam prep.
Test and expand your academic English with this interactive quiz on scientific research terminology. Fill in the blanks, get instant feedback, and master 20 essential terms for your next paper or presentation!
Explore the thrilling world of asteroid impacts with this interactive 20-question quiz. Discover how space rocks shape our planet’s history, from dinosaur extinctions to modern-day surprises—get instant, friendly feedback!
Master advanced English grammar for exams (TOEFL/IELTS) by analyzing complex structures in a text about social media’s impact on political opinions. Explore clauses, inversion, modality.