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welcome welcome Choose the correct subject for each picture Statistics, Economics, History, Physics, Geography, Chemistry, English, Mathematics,Gymnastics,Civics Geography Chemistry MathematicsGymnastics History English Geography Chemistry MathematicsGymnastics History English Calculations Names  2+2=4 adding subtracting multiplying dividing ❷ 4-2=2 ❸ 2 x 2=4 ➍ 4 : 2=2 I.Vocabulary 1.a/ Give the names of the following calculations Figures Names triangle circle angle I.Vocabulary 1.b/ Give the names of the following figures sphere diameter radius 1 2 3 4 5 6 I.Vocabulary 2.Give the branches of mathematics, basing on what provided Branches 4+4-2=6 2x+4 =6 dxx ∫ 1 0 2 arithmetic geometry calculus trigonometry algebra h d 1xcosxsin 22 =+ h x d S= ------ 2 1 2 3 4 5 II/Definitions of some words 1.True/false sentences True False a.Arithmetic is mathematical ideas stated in letters and signs b.Geometry is study of form c.Algebra is simple calculations with numbers d.Geometry is dealing with the relations of angles and sides of triangles e.Calculus is a method of calculation f. Triangle is a figure with three sides and three angles g.Angle is a figure between two meeting lines or surfaces x x x x x x x h.Diameter is a straight line from the centre to the side of a circle x i.Radius is a straight line from side to side through the centre of a circle x j.Shorthand is a method of rapid writing in letters and symbols x II/Definitions of some words 2.Correcting the above definitions a. is simple calculations with numbers b. is study of form c. is mathematical ideas stated in letters and signs d. is dealing with the relations of angles and signs of triangles e. is a method of calculation f. is a figure with three sides and three angles g. is a space between two meeting lines or surfaces h. is a straight line from the centre to the side of a circle i. is a straight line from side to side through the centre of a circle j. is a method of rapid writing in letters and symbols Arithmetic Geometry Algebra Trigonometry Calculus Triangle Angle Radius Diameter Shorthand III/ Completing Sentences: Use the words from the text to complete the following sentences 1. Primary school pupils learn such simple calculations as counting, _____, _________ , _________ and _______ . 2. Some branches of mathematics are _________ , _______ , _________ , _______ and __________. 3. If we want to say that in any circle the _________ is twice the ______ ,we can write d=2r. 4. The earth is a ______ . 5. When you study algebra, you use most letters and ____. adding subtracting multiplying dividing arithmetic algebra geometry calculus trigonometry diameter radius sphere signs