Nogales Files for CONGRESS ELEMENTARY SCHOOL

2005 Metrobank-MTAP-DepEd Math Challenge Regional Finals - Grade 4

A. 15-second questions – 2 points each

68% 1.2517

is equal to how many percent?

44 2. What is the sum of all even numbers between 7 and 15?

165 3. What is the smallest number that is divisible by 3, 5, and 11?

54 4. The ratio of 2 numbers is 3 : 5. If the sum is 144, what is the smaller number?

P200 5. If 3 ponkans cost P25, how much will 2 dozens cost?

50 6.If

53

of a number is 60, what is 21

of the number?

10 7. What is the remainder when 700 is divided by 23?

72 8. How many squares of side 4 cm can be cut from a piece of cartolina that is 36 cm by 32 cm?

70 9. What is one-twelfth of the product of 24, 7 and 5?

31 10.

Rica cleaned 31

of a yard; Anna cleaned 21

of the remaining

part. What fraction of the yard remained uncleaned?

12 min 11. Leila can walk 35 m in a minute. How long will she take to walk 420 m at this rate?

B. 30-second questions – 3 points each Use π = 3.14 when necessary

865 1. Write 8.125% as an improper fraction.

P680 2. Kim bought a pair of shoes marked P850 at 20% discount. How much did he pay for them?

84 3. What is the greatest common factor of 420 and 588?

142 21

m4.

What is the perimeter of an equilateral nonagon of side 15 65

m?

Give the answer with the fraction part in lowest terms.

37 5. The sum of three consecutive odd numbers is 117. What is the smallest of the three?

697 6. In an achievement test, 18% of 850 pupils failed. How many passed?

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Nogales Files for CONGRESS ELEMENTARY SCHOOL

C. 1-minute questions – 5 points each

32 m 1. The length of a garden is 8 m more than its width. If the perimeter is 112 m, find the length of the garden.

P128 2. Divide P320 among Tim, Luke and Jim so that Tim gets twice as much as Luke and Jim gets as much as Tim. How much does Jim get?

6:42 P.M. 3. A clock was set right at 6:00 A.M. If it gains 3 ½ minutes per hour, what time will it show at 6:00 P.M. on the same day?

36 km/h 4. On a 90 km trip, a driver averaged 45 km/h. On the return trip, he averaged 30 km/h. What was the average speed for the whole trip?

44m2 5. A square has a side of 16 m. A rectangle has a length of 20 m and a width of 15 m. By how much is the area of the rectangle bigger?

6.

Clincher questions

4 1. How many common multiples of 3 and 7 are there between 10 and 100?

P382.50 2. A dress marked P450 was sold at a discount of 15%. How much was paid for it?

1872 cm2 3. A box is 24 cm long, 18 cm wide and 12 cm high. What is the total surface area?

Do-Or-Die questions

45, 60, 75, 90 1. Four numbers are in the ratio 3 : 4 : 5 : 6. If their sum is 270, what are the four numbers?

Filename: Regional Finals_2005G4.doc

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