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C PAPER DO NOT OPEN THIS BOOKLET UNTIL INSTRUCTED. STUDENT’S NAME: Read the instructions on the ANSWER SHEET and fill in your NAME, SCHOOL and OTHER IN\bORMATION. Use a 2B or B pencil. Do NOT use a pen. Ru\b out any mistakes completely. You MUST record your answers on the ANSWER SHEET. Mathe M atics Mark only ONE answer for each question. Your score will \be the num\ber of correct answers. Marks are NOT deducted for incorrect answers. Use the information provided to choose the BEST answer from the four possi\ble options. On your ANSWER SHEET fill in the oval that matches your answer. You may use a ruler and spare paper. You are NOT allowed to use a calculator. Practice Q uestions int e r n a t i o n a l c o m p e t i t i o n s and as sessments for sc \bools

ICAS Mathematics Practice Questions Paper C © EAA 2 1. Here is a group of shapes. How many circles are in this group? (A) 2 (B) 3 (C) 4 (D) 5 2. Which glass contains the most water? (A) (B) (C) (D) 3. Here is a number pattern. 255, 365, 475, 585, , … ? Which number is next in this pattern? (A) 695 (B) 685 (C) 605 (D) 595 4. Here is a group of faces. KEY happy sad What fraction of the group has smiling faces? (A) 13 13 (B) 13 20 (C) 7 13 (D) 7 25 5. Peter had some triangular tiles with sides 3 cm long. He placed them side by side to make a trapezium. If the perimeter of the trapezium was 27 cm, how many tiles did Peter use? (A) 3 (B) 5 (C) 7 (D) 9

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D C B A D C B A D C B A D C B A D C B A 1 2 3 4 5 D C B A START Your privacy is assured as EA\mA fully complies with appropriate Australian privacy le\bislation. Visit www.eaa.unsw.edu.au for more de\mtails. I n t e r n a t i o n a l C o m p e t i t i o n s and Assessments for Schools M Pa Per C TO ANSWER THE QUESTIONS Example: 4 + 6 = (A) 2 (B) 9 (C) 10 (D) 24 The answer is 10, so fill in the oval , as shown. C

ICAS Mathematics Practice Questions Paper C © EAA QUESTIONKEYSOLUTION STRANDLEVEL OF DIFFICUL TY 1 AThere ar e two circles in the set. Space and Geometry Easy 2 DThis question tests estimation. By visual appr oximation based on the width of each glass and the height of the level of water in each glass, D contains the most water .Measur ement Easy 3 AThe pattern is cr eated by adding 110 to the pr evious number . 585 + 110 = 695 Algebra and Pattern Easy 4 BThere a re 13 sm ili n g fa ce s o ut of th e t o ta l of 2 0. Number and Arithmetic Easy Level of difficulty refers to the e xpected level of difficulty for the question. Easy more than 70% of candidates will choose the cor rect option Medium about 50–70% of candidates will choose the cor rect option Medium/Har d about 30–50% of candidates will choose the cor rect option Har d less than 30% of candidates will choose the cor rect option 5 C The two sides of the trapezium would be 3 cm + 3 cm = 6 cm. The r est of the trapezium, which is 21 cm, would have to be formed by the two bases (the top and the bottom base of the shape). Knowing that each tile has a side of 3 cm, we need to divide 21 by 3 to get the total number of tiles needed. Measur ement Hard

ICAS Mathematics Practice Questions Paper C © EAA Level of difficulty refers to the e xpected level of difficulty for the question. Easy more than 70% of candidates will choose the cor rect option Medium about 50–70% of candidates will choose the cor rect option Medium/Har d about 30–50% of candidates will choose the cor rect option Har d less than 30% of candidates will choose the cor rect option 10 CThe two sides of the trapezium would be 3 cm + 3 cm = 6 cm. The r est of the trapezium, which is 21 cm, would have to be formed by the two bases (the top and the bottom base of the shape). Knowing that each tile has a side of 3 cm, we need to divide 21 by 3 to get the total number of tiles needed. Measur ement Hard