These math puzzles (answers included!) are a delightful challenge to exercise your mind. ... 101 Riddles for Adults That Will Test Your Smarts. 17 Hard Math Problems That'll Make Your Head Spin.

Instead, this test for adults evaluates their abilities to use math and reading in real-world contexts—to navigate public services in their neighborhood, for example, or complete a task at work.

Just 12 percent of American adults scored at Level 4/5, lagging the OECD average of 14 percent. In Germany, 18 percent of adults reached Level 4/5. That number was 15 percent in the UK and 25 ...

This is a collection of math quizzes for those among you who want to see if you remember all the math you learned in elementary, middle, and high school. Not just one quiz, but many! Have fun ...