Answers

Grades K-3:

1. Math is important to use because we use it all the time in life. We use it to count, to read the time, doctors and engineers use it at work, to buy things at the store, and many other things.
2. He was born in Bluefield, West Virginia.
3. He moved to America because people in his own country, Germany, didn’t agree with his ideas, and he liked it better in America.
4. Gravity was explained as: all matter attracts all other matter with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.
5. Her love of mathematics, especially statistics, and how this love played an important part in her life's work.
6. Draw on a separate sheet!
7. Look at Map of USA!
8. They were from the Yucatan peninsula of Mexico.

Grades 4-8:

1. Counting change from the store, Measuring ingredients, calculating prices and discounts, reading the clock, math problems, reading train or bus timetables, using a calendar.
2. He wanted to develop his own original idea and topics instead of learning somebody else’s.
3. It was called Principia.
4. The Three Laws of Motion, Calculus, Reflecting Telescope and Binomial Theorem in Math.
5. Hieroglyphs are little pictures representing words. The Egyptians used them as a numeral system from about 3000 BC.
6. The Mayans’ numeral system had a base of twenty, most likely because ancient people counted on both their fingers and toes.
7. The Mayans carried out astronomical measurements with remarkable accuracy yet they had no instruments other than sticks. They used two sticks in the form of a cross, viewing astronomical objects through the right angle formed by the sticks.
8. To find the radius and/or diameter of a circle.
9. By Arabic/Islamic mathematicians around four centuries earlier.
10. It was a Yupana, and we know because of a letter of the Peruvian Felipe Guaman Poma de Ayala to the King of Spain. This remarkable letter contains 1179 pages and there are several drawings, which show a picture of a counting board in the bottom left hand corner of one of them.

Grades 9-12:

1. Algebra, Topology, Geometry, Calculus, Number Theory, Mathematical Physics, Astronomy, and Analysis.
2. The Recto contains division of 2 by the odd numbers 3 to 101 in unit fractions and the numbers 1 to 9 by 10. The Verso has 87 problems on the four operations, solution of equations, progressions, volumes of granaries, the two-thirds rule etc. Ahmes, and Egyptian Mathematician wrote it in approximately 2000 BC.
3. Nobody is really sure. It may have come from the Babylonians, and then the Greek astronomers developed the idea more, then the Indians. The Mayans also had a Zero in their number system.
4. They had a base number like we do, and they split the day up into 24 hours and the hours into 60 minutes.
5. The Haab calendar was a 365-day civil calendar. This calendar consisted of 18 months, named after agricultural or religious events, each with 20 days (again numbered 0 to 19) and a short "month" of only 5 days that was called the Wayeb.
6. The modern value is 3.14159265358979323846264... Ptolemy estimated it to be 3.1416, Archimedes – 223/71, The Bible – 3.
7. Al-Banna al-Marrakushi, al-Sizji in 969 AD, and al-Biruni in 1082.
8. According to their position, the knots signified units, tens, hundreds, thousands, ten thousands and, exceptionally, hundred thousands, and they are all well aligned on their different cords as the figures that an accountant sets down, column by column, in his ledger.
9. It expresses the Relationship of Mass and Energy. He developed it in 1905, and won the Nobel Prize for the Photon Concept of Light and Photoelectric Effect.