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2007 Metrobank-MTAP-DepEd Math Challenge

Division Team Competition - Grade 6

A. 15-second questions 2 points each

750 1. The diameter of a circular lot is 15 m. What is its radius in

centimeter?

9/11 2. Reduce the fraction

132

108 to simplest form.

28 cm 3. A regular pentagon has a perimeter of 140 cm. How long is one

side?

13 + 19,

3 + 29

4. Express 32 as a sum of 2 prime numbers.

100.4 5. The sum of two numbers is 150.6. One number is twice the other.

What is the bigger number?

15 6. The sum of 44 and 25 is equal to 84 minus a certain number.

What is that number?

70 cm 7. A rectangle has an area of 300 cm2. If its length is 20 cm, what is

its perimeter?

48o 8. An angle is 42

o. What is its complement?

125 9. What is n if 5n is equal to 252?

199 10. How many multiples of 5 are there between 1 and 1,000?

10,000 11. How many sq. centimeters are equal to one sq. meter?

B. 30-second questions 3 points each [Use = 3.14]

1.8 x 108 1. What is the product of 4,000 x 45,000 in scientific notation?

192 2. If

4

1 of a number is 144, what is

3

1 of the number?

15 3. Three-eighths of 40 roses are red,

5

2 of the remaining roses are

white and the rest are pink. How many are pink?

600 4. A lady deposited P50-bills amounting to P30,000. How many

paper bills did she give the teller?

113.04 dm2 5. The radius of a circle is 2 dm. What is the area of a bigger circle

whose radius is 3 times the first circle?

45, 46, 47 6. Find 3 consecutive whole numbers whose sum is 138.

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C. 1-minute questions 5 points each

21.1 cm 1. A ring with a diameter of 2 dm has 3.5 cm added to its

circumference to make it larger. What is its new diameter?

552.96 cm2 2. The dimensions of a 16 cm by 24 cm picture are enlarged by

20%. What is the area of the enlarged picture?

P4,400 3. Mr. Santos had P4,000 in his bank but owed somebody P7,500.

After making a deposit and writing a check to pay his debt, his

bank account amounted to only P900. How much money did he

deposit?

3 4. A child glued together 42 cubes with 1 inch edges to make a

solid rectangular brick. If the perimeter of the base is 18 inches,

find the height of the brick in inches.

19, 34 5. Find two numbers whose sum is 53 and whose difference is 15.

11 6. The cost of a book increased from P180 to P200. By how many

percent to the nearest whole percent did the price increase?

Clincher questions

22 1. By how much does

3

2 of 48 exceed

5

2 of 25?

P231 2. If apples cost 4 for P35 and oranges cost 4 for P42, how much

will a dozen apples and a dozen oranges cost?

204 3. A whole number divisible by 6 is greater than 170 but less than

210. what is the largest number that satisfies both conditions?

Do-Or-Die questions

Lilia 89, Rose 87, Kate 85

1. The average grade of Lilia and Rose is 88, the average grade of

Lilia and Kate is 87 and the average grade of Rose and Kate is

86. Find the grade of each girl.

Filename: Division Orals_2007G6.doc