TEN LITTLE FINGERS Ideas and Activities in Science Arvind Gupta Illustrations: Avinash Deshpande Ten Little Fingers is a collation of innovative toys and science activities which the author has tried and tested in more than one thousand schools over the past twenty years. With detailed illustrations‚ each activity is clearly depicted. Children do not need fancy laboratories and expensive equipment for doing science activities. There is much‚ which can be done using throwaway things found at
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section × length Area of trapezium = 1 (a + b)h 2 a cross section lengt h h b Volume of sphere = 4 3 U 3 Volume of cone = 1 2 Uh 3 Surface area of sphere = 4 U 2 r Curved surface area of cone = UO l r h In any triangle ABC C b A c a B The Quadratic Equation The solutions of ax2 + bx + c = 0 where D 0‚ are given by x= −b ± (b 2 − 4ac) 2a Sine Rule a b c = = sin A sin B sin C Cosine Rule a2 = b2 + c 2 – 2bc cos A Area of
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MATHS-SA1-TEST1 Q1) Use the following information to answer the next question. The steps for finding the H.C.F. of 2940 and 12348 by Euclid’s division lemma are as follows. 12348 = a × 4 + b a = b × 5 + 0 What are the respective values of a and b? A. 2352 and 588 B. 2940 and 588 C. 2352 and 468 D. 2940 and 468 Answer The steps to find the H.C.F. of 12348 and 2940 are as follows. 12348 = 2940 × 4 + 588 2940 = 588 × 5 + 0 Comparing with the given steps‚ we obtain a =
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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level .c rs om ADDITIONAL MATHEMATICS 4037/01 Paper 1 May/June 2004 2 hours Additional Materials: Answer Booklet/Paper Graph paper (3 sheets) Mathematical tables READ THESE INSTRUCTIONS FIRST If you have been given an Answer Booklet‚ follow the instructions on the front cover of the Booklet. Write your Centre number‚ candidate number and name on all the work you
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and Thomas run at constant rates. In a race of 1‚000m‚ Alex finished 200m ahead of Fred and 400m ahead of Thomas. When Fred finished‚ how far was he ahead of Thomas? (in m) Need A Hint? Answer 6) If ABCD is a square and ABE is an equilateral triangle‚ then what is the measure of < BFC? Need A Hint? Answer 7) An unusual die has six faces labelled 1‚2‚3‚5‚7 9. If two of these dice are rolled‚ and the numbers showing on the upper faces are added‚ what is the number of possible different
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PROCEDURE: A. MATERIALS: white board marker (black) Visual aid (bright-colored cartolina) Pictures (shapes) B. DISCUSSION B.1 RECAP/MOTIVATION 1. Give each student a blank white sheet of paper. a. Instruct students to cut figures like triangle‚ square‚ rectangle‚ circle‚ parallelogram and trapezoid. b. Tell the students to color it with different colors for a few minutes. c. Show students examples. 2. Ask the students to tell what the names of their figures are. 3. Tell the students
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The Ancient Greek culture has had such an impact on the world that no matter where you look you ’re sure to find something Greek about it. Out of all the areas that the Greek culture is famous for there are two that tend to exert themselves into our own culture even today. That would be their Science and Astronomy fields. If one were to look up in a library books about ancient Greek science and astronomy they would have a mountain of books to sift through. There seem to be so many individuals
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NOGALES Math Files for CONGRESS ELEMENTARY SCHOOL 2002-Metrobank-MTAP-DepEd Math Challenge Grade 5 2001 – 2002 Name: Time: 90 minutes Score: Solve each item and write the answer on the blank before the number. [Use pie = 3.14] _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ 1. 2. 3. 4. 5. 6. 7. 8. 9. What is the value of 8 in 86 543 217? Write MDXL in Hindu-Arabic
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sphere = 4 3 ʌU 3 Volume of cone = 1 2 ʌU h 3 Curved surface area of cone = ʌUO Surface area of sphere = 4ʌU 2 r l h r In any triangle ABC The Quadratic Equation The solutions of ax2 + bx + c = 0 where D 0‚ are given by C b A Sine Rule a x= B c −b ± (b 2 − 4ac) 2a a b c = = sin A sin B sin C Cosine Rule a2 = b2 + c 2 – 2bc cos A Area of triangle = 2 1 ab sin C 2 *P40645A0228* Answer ALL questions. Write your answers in the spaces provided. You must write down all stages in
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speed which was 21 kmph more‚ he would have taken three hours less for the journey. Find the speed (in kmph) at which he covered the distance. (1) 49 (2) 70 (3) 87.5 (4) 770 (Your Answer: 1) 6. In the figure below‚ PQRS is a square. An isosceles triangle is removed from each corner of the square (as shown) so that a rectangle ABCD remains. If diagonal AC measures 24 cm‚ find the area of the shaded region.
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