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2008 ELIMINATION – Metrobank-MTAP-DepEd Math Challenge Grade 5 Solve each item and write the answer on the blank before the number. _________1.Write “five million, thirty-four thousand, eighty” in symbols. _________2.What is the smallest digit that can be placed in the blank to make 3__,863 > 32,862? _________3.What is the value of 7 in 67 801 350? _________4.How many times will you multiply 10 by itself to get 1,000,000? _________5.Round 45,872,871 to the nearest ten thousand. _________6.What number is 1 275 more than 32 650? _________7.What is the smallest prime number greater than 80? _________8.Which of 123, 126, 177, 281, 687 is/are prime? _________9.Which of 2, 3, 4, 5, 6, 7 and 8 is/are not factors of 1260? _________10.Write 5 x 105 + 7 x 103 + 9 x 102 + 7 as one number. _________11.What is the GCF of 72 and 120? _________12.What is the LCM of 72 and 120? _________13.How many multiples of 10 are there in the numbers 1 to 328? _________14.What is the remainder when 5439 is divided by 36? _________15.Which of 126, 351, 773, 918 is not divisible by 9? _________16.If you have P200, how many apples costing P8.50 each can you buy? _________17.What is N in [ N ] -13 [ ]

x9

[ ]

_________ 18. What is 14 x 30 ÷ 15? _________ 19. What is the value of 73 – 53?

+7

[ ] - 50 [ 20 ]. .

_________ 20. In three tests, Rod got 84, 92 and 85. What was his average? _________ 21.Change

129 7

to a mixed number.

80

_________ 22.Reduce 112 to lowest terms. _________ 23. Lucy bought a blouse for ₱135.75. She gave the cashier two ₱100-bills. How much change did she get? _________ 24. Rolly can cover 11.6 km/h in his bicycle. How far can he go in 2.5 hours? _________ 25. Phil has a garden 18.5 m long and 13.7 m wide. Find the perimeter of Phil’s garden. _________ 26. What is the area of the garden of Phil? 2

_________ 27.Miss Lily has 42 pupils in her Sewing Class. Each needs 3 m of cloth for a placemat. How many meters of cloth does Miss Lily have to buy for them? 2 _________ 28. Mr. Go bought a lot 23 ½ m long and 18 m wide. What is the 3 perimeter of the lot? _________ 29. How many degrees is the supplement of an angle of 68 o? _________ 30. Linda started a 45-minute piano lesson at 3:30 P.M. After her lesson, Linda walked home for 20 minutes. What time did Linda reach home? _________ 31. Lester left his office and drove 15 minutes to a meeting that lasted 1 hour 20 minutes. He drove another 20 minutes before arriving home at 5:00 P.M. What time did he leave his office? _________ 32. In a factory with 336 employees, 114 are men. What is the ratio of male employees to female employees? _________ 33. The ratio of two numbers is 4:7. If their sum is 132, find the bigger number. _________ 34. In a class, there are 23 girls and 19 boys. If 14 pupils got merit certificates in the Math Challenge Eliminations, what fraction of the pupils got merit certificates? _________ 35. A vendor bought 125 pineapples at ₱12 each and sold them at ₱15 each. What was his gain percent?

_________ 36. What is 44% of 950? _________ 37. A stove marked ₱2850 was bought at a 15% discount. How much was paid for it? _________ 38. A pair of shoes marked ₱950 was bought for ₱760. What was the percent discount? _________ 39. A blouse was bought for P196.80 at a discount of 18%. What was the marked price? _________ 40. A string is stretched ½ cm for every 10 kilos of weight. How far will a 24-kilo weight stretched the spring? _________ 41. A picture is 30 cm long and 22 cm wide. It is placed in a uniform frame that is 3 cm wide. What is the outside perimeter of the frame? _________ 42. A milk can has a radius of 6 cm and a height of 18 cm. How much milk does it contain?( Use π = 3.14) _________43.How many different rectangular gardens can you make, whose dimensions are whole numbers, if you have 48 m of fencing materials and the width is at least 4 m? Consider a 6 m by 18 m rectangle the same as an 18 m by 6 m rectangle. _________44.I am a decimal with my last digit in the hundredths. Rounded to the nearest tenth, I am 6.5. Rounded to the nearest whole number, I am 6. If the sum of my digits is 16, what number am I? _________45.Jim, Tim and Kim have 67 marbles together. Tim has 6 more marbles than Jim and Kim has 8 fewer marbles than Jim. How many marbles has Tim? _________46.There are bicycles and tricycles parked along a road. There are 29 wheels and 11 riders. How many bicycles are there? _________47.Twin primes are prime numbers that differ by 2, like 3 and 5. Find twin primes between 65 and 80. _________48.Nick used straws, popsicle sticks and barbecue sticks to build a model house. He used twice as many barbecue sticks as straws and 5 more popsicle sticks as barbecue sticks. He used 35 popsicle sticks. How many straws and barbecue sticks did he use? _________49.The canteen sold 327 bowls of noodles and served 185 bowls of pancit more than noodles. How many bowls of food were served in all?

_________50.The scale of a school building is 2 cm to 3 m. If a library is 18 m by 13.5 m, what is its area on the blueprint?