GAMMA is the third letter of the Greek alphabet. Its symbol is.

GATHER – (verb) 1. Gather means to bring into one place.” He gathered the leaves lying under the tree and put them in a bag”. 2. Gather also means to get. “By asking questions he gathered much” “information. You won’t gather many friends if you are so unpleasant. ” 3. Gather also means to understand. “ I gather from what you say that you are very happy here. When he heard the poor man’s story he gathered that he had been very unlucky.

GENDER – (noun) The gender of a word is whether it is masculine, feminine or neuter. Most words in English do not have special endings to show if they are masculine feminine or neuter. “ The gender of girl is feminine. The gender of a man is masculine. The gender of a stone in neuter. ” See MASCULINE, FEMININE & NEUTER.

GENERAL – (noun) 1. A general is the second most senior officer in the army. See SENIOR & OFFICER. Only a Field Marshal is of higher rank. See RANK. 2. General also means of all or for all. “This is a general idea; everyone thinks the same thing. Watching football on Saturdays is the general occupation of the people of this town”. See OCCUPATION.

GENERALLY – (adverb) means in most cases.” Generally people of this town like to watch football on Saturdays. ” ‘In general’ means the same as generally.

GENERAL SALES TAX – (noun) is a tax that is charged on all goods that are sold. See TAX. Its abbreviation is GST. See Abbreviation. See SITE.

GENEROUS – (adjective) means willing to share with others. See SHARE. “Everyone liked him because he was generous with his money and his food.

GEOMETRIC MEAN – (noun) First make sure you understand ARITHMETIC MEAN. The geometric mean of two numbers is obtained by finding the square root of their product. For example if you want the geometric mean between 4 and 25 you multiply them together to get their product and then find the square root of that. 4 x 25 = 100 and <:f240,QLetter Gothic – (Math8),0,0,0>!<:f>100 = 10. So 10 is the geometric mean in this case. See if you can work out that the geometric mean of 9 and 16 is 12. See SQUARE ROOT.

GEOMETRIC PROGRESSION – (noun) is a progression that is formed by multiplying the previous term by a constant amount. In 2, 6, 18, 54 you will see that each term is formed by multiplying the previous term by 3 – (3 x 2 = 6; 3 x 6 = 18 and so on). 3 is called the common ratio. A geometric progression is also called a geometric sequence. The sum of the terms of a progression is called a series. So this is a geometric series: 2, 6, 18, 54 = 80.

GEOMETRY – (noun) is that part of maths that deals with points, lines, angles, squares, circles and triangles and other shapes made up from these.

GLOBE – (noun) A globe is anything with the shape of a sphere. A ball with a map of the land and sea marked on it is called a globe. Sometimes things which are only roughly the shape of a sphere are called a globe. For example an electric light bulb is called a globe. See diagram 44.

GLOSSARY – (noun) A glossary is a small dictionary with the words of a particular subject in it with their meanings. This is a maths glossary, but it also has the definitions of many other useful words in it.

GOODS – (noun) 1. Goods mean things for sale. “The prices of the goods in the shop were very low last month, but now they have gone up. 2. “Goods also means things that one owns.” When he moved from one home to another he packed his goods into big boxes. ” 3. A goods train is a train that is transporting things, not people. The goods on a goods train can be either things for sale – (like clothing), materials to make things for sale – (like wood) or things that one owns – (like one’s household goods).

GRADE – (noun) A grade is one of the steps of something that has several steps of quantity or quality. See QUANTITY & QUALITY. The best quality of meat is called Grade A meat. When you write an examination if you get very good marks you get an A Grade. If you do not do quite so well you get a Grade B. If you do very badly you will get a Grade F.

GRADIENT – (noun) means the steepness of a slope or an incline. See INCLINE. “The heavy lorry could not get up that steep gradient. The gradient of the steps was too steep for the old lady to climb. ” See diagram 31.

GRADUATE – (verb) means to complete a course of study. People who pass their Matric Exam are said to have graduated successfully from school. One also graduates when one successfully completes a course of study at a University or a Technikon. See UNIV ERSITY & TECHNIKON. 

GRADUATION – (noun) 1. One graduates at a graduation ceremony where one is given a certificate. See CERTIFICATE & CEREMONY. 2. A graduation is also the name for a mark on a scale. “The graduations on this ruler are 1 millimetre apart.

GRAM – (noun) A gram is a unit of mass in the metric system. See METRIC SYSTEM, MASS & UNIT. There are 1000 grams in a kilogram.

GRAMMAR – (noun) is the subject that deals with the rules about joining words together to form sentences. It also deals with the inflection of words. See INFLECTION. There are number of other words which give you more information on grammar which you should look up when you are studying grammar. ACTIVE VOICE, ADJECTIVE, ADVERB, APOSTROPHE, AUXILIARY, CONJUNCTION, FUTURE, INFINITIVE, INTERJECTION, NOUN, OBJECT, PASSIVE VOICE, PARTICIPLE, PAST, PERFECT, PREDICATE, PREPOSITION, PRESENT, PROPER NOUN, PR ONOUN, SUBJECT, TENSE.

GRAPH – (noun) A graph is a diagram with a line or lines on it that can tell you information. See the word DIAGRAM. Also see diagram 19. In diagram 19 the graphical line shows the relationship between a boy’s age and his height. You will see that he grew fastest when he was 13 years old and that when he reached 20 years old he did not grow any taller. Some of the basic functions in algebra are shown in graphical form in diagrams 24, 25, 26, 27 & 32. Information like the number of students who achieve d different pass marks for example can also be plotted in block form. See diagram 31.

GRAPH PAPER – (noun) is paper with a lot of small squares ruled on it. “Using graph paper it is very easy to plot the points of a graph. “ See PLOT. See diagram 19.

GRAVITY – (noun) means the pull that the earth has on everything. Gravity causes objects to have weight. If there was no gravity everything would float around in the sky.

GREAT CIRCLE – (noun) On the surface of the earth any circle where the plane of that circle passes through the centre of the earth is called a great circle.

GREATER THAN means that it is bigger than. The sign in maths is <;>. Seven is greater than five can be written 7 <;> 5. Note that the point of the sign is next to the smaller number.

GROUP – (noun) 1. A group is a collection of things or people together. “When the friends met at the football match they watched the game in a group.” 2. In maths grouping is the action of simplification by putting similar things together in a group. See Appendix II.3.

GUESS – (verb) means to say what you think something is, without really knowing the correct answer. “He got the answer right with a lucky guess, but when the teacher asked him to explain how he worked out the answer he could not say.

GUILTY – (adjective) means that it is found out that a person did do what he is accused of doing. See ACCUSE. “If you are found to be guilty of parking your car at a bus stop you will have to pay a fine of R100.” See FINE.