Math Day Competition (G8 Al Tamayoz)

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| By Math_b99

Math_b99

Community Contributor

Quizzes Created: 2 | Total Attempts: 2,753

Questions: 20 | Attempts: 855 | Updated: Mar 20, 2023

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Questions and Answers

1.

Write as a decimals 7/100
- A.
  
  0.7
- B.
  
  0.70
- C.
  
  0.07
- D.
  
  7.0
Correct Answer
C. 0.07

Explanation
The fraction 7/100 can be written as a decimal by dividing 7 by 100. When dividing 7 by 100, the decimal point is placed two places to the left of the digit 7. Therefore, the correct decimal representation of 7/100 is 0.07.

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2.

Write as a decimals 175/100
- A.
  
  1.75
- B.
  
  1.57
- C.
  
  1.0075
- D.
  
  17.5
Correct Answer
A. 1.75

Explanation
The given fraction 175/100 can be simplified by dividing both the numerator and denominator by 25. This simplifies the fraction to 7/4. To convert this fraction to a decimal, divide the numerator (7) by the denominator (4). The result is 1.75.

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3.

Write this decimal in expanded form 3.274

Correct Answer
3+0.2+0.07+0.004

Explanation
The given decimal, 3.274, can be written in expanded form as the sum of its place values. The digit 3 represents 3 units, the digit 2 represents 2 tenths, the digit 7 represents 7 hundredths, and the digit 4 represents 4 thousandths. Therefore, the expanded form of 3.274 is 3 + 0.2 + 0.07 + 0.004.

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0
4 1
4.

Arrange in ascending order 0.221-0.25-0.3589-0.22-0.253

Correct Answer
0.22-0.221-0.25-0.253-0.3589

Explanation
The given numbers are arranged in ascending order from smallest to largest. The number 0.22 is the smallest, followed by 0.221, then 0.25, then 0.253, and finally 0.3589, which is the largest number in the sequence.

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4
5.

125+23.25 = 355.25
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
6.

15.5+3.427= 18.927
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The given equation states that 15.5 plus 3.427 equals 18.927. To verify the accuracy of this statement, we can perform the addition operation. When we add 15.5 and 3.427, the sum is indeed 18.927. Therefore, the answer is true.

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7.

Find 24.345 - 15.98 =

Correct Answer
8.365

Explanation
The given question asks to find the difference between 24.345 and 15.98. The correct answer, 8.365, is the result of subtracting 15.98 from 24.345.

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1
4 0
8.

Find152.8 -78 =

Correct Answer
74.8

Explanation
The given equation is 152.8 - 78. When we subtract 78 from 152.8, we get the result as 74.8.

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1
4 1
9.

11 x 0.18 =
- A.
  
  0.198
- B.
  
  1.89
- C.
  
  1.98
- D.
  
  19.8
Correct Answer
C. 1.98

Explanation
When multiplying a number by 0.18, we can think of it as finding 18% of that number. In this case, we are finding 18% of 11. To calculate this, we multiply 11 by 0.18. The result is 1.98.

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10.

1.2 by 1.2 = 0.144
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The given statement is false because multiplying 1.2 by 1.2 does not result in 0.144. The correct answer is 1.44.

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11.

2/5 of 1 kg = ............................. g

Correct Answer
400g

Explanation
To find 2/5 of 1 kg, we need to multiply 1 kg by 2/5. Since 1 kg is equal to 1000 g, multiplying 1000 g by 2/5 gives us 400 g. Therefore, the answer is 400g.

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1
4 0
12.

If eighteen football players are each to be given 1/4 of an orange at half , how many oranges would have to be purchased for this purpose إذا اعطي لكل لاعب من ثمانية عشر من لاعبي كرة القدم 1/4 برتقالة بين الشوطين كم من البرتقال سوف يتعين شراؤه لهذا الغرض

Correct Answer
4.5

Explanation
Since each football player is given 1/4 of an orange at half time, we need to find out how many oranges would be needed for 18 players. To do this, we divide 18 by 4 to find out how many 1/4 portions are needed. The result is 4.5, which means that 4.5 oranges would need to be purchased for this purpose.

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4
13.

7.3 of 2.7 = 197.1
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
14.

2.3 times 4.6 = 10.58
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The given statement is true because when we multiply 2.3 by 4.6, we get the product 10.58.

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15.

0.725 ÷ 0.5 =1.45
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The given division equation states that 0.725 divided by 0.5 equals 1.45. To verify the correctness of this statement, we can perform the division operation. Dividing 0.725 by 0.5 does indeed result in 1.45. Therefore, the answer "True" is correct.

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1
0
16.

3/11 as a decimal على الصورة العشرية
- A.
  
  0.2727000000
- B.
  
  0.0277777777
- C.
  
  0.2727272727
- D.
  
  0.7272727272
Correct Answer
C. 0.2727272727

Explanation
The correct answer is 0.2727272727. To convert a fraction to a decimal, divide the numerator (3) by the denominator (11). In this case, 3 divided by 11 equals 0.2727272727.

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17.

(11+9) ÷ 4+6
- A.
  
  2
- B.
  
  11
- C.
  
  4
- D.
  
  20
Correct Answer
B. 11

Explanation
The expression (11+9) ÷ 4+6 can be simplified by following the order of operations, which states that we should perform any calculations within parentheses first. In this case, (11+9) equals 20. Then, we divide 20 by 4, which equals 5. Finally, we add 6 to 5, resulting in 11. Therefore, the correct answer is 11.

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18.

ماهو الكسر الاعتيادي الذي يعبر عن الكسر الدوري 0.33333333333333

Correct Answer
1/3

Explanation
The given decimal number, 0.33333333333333, represents a recurring or repeating decimal. This means that the number 3 repeats infinitely. When we convert this decimal into a fraction, we can see that it is equivalent to the fraction 1/3. The numerator of 1 represents the repeating digit (3) and the denominator of 3 represents the number of digits in the repeating block. Therefore, the correct answer is 1/3.

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4
19.

Use the diagram to write the multiplication and its productاستخدم الشكل المبين واكتب عملية الضرب وناتجها

Correct Answer
1/3*2/3=2/9

Explanation
The diagram shows two fractions, 1/3 and 2/3, being multiplied together. To multiply fractions, you multiply the numerators (top numbers) together to get the new numerator, and multiply the denominators (bottom numbers) together to get the new denominator. In this case, 1 multiplied by 2 equals 2, and 3 multiplied by 3 equals 9. So, the product of 1/3 and 2/3 is 2/9.

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4
20.

1/8=0.0125
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 15, 2014

Quiz Created by
Math_b99

Math Day Competition (G8 Al Tamayoz)

Write as a decimals 7/100

Write as a decimals 175/100

Write this decimal in expanded form 3.274

Arrange in ascending order 0.221-0.25-0.3589-0.22-0.253

125+23.25 = 355.25

15.5+3.427= 18.927

Find 24.345 - 15.98 =

Find152.8 -78 =

11 x 0.18 =

1.2 by 1.2 = 0.144

2/5 of 1 kg = ............................. g

7.3 of 2.7 = 197.1

2.3 times 4.6 = 10.58

0.725 ÷ 0.5 =1.45

3/11 as a decimal على الصورة العشرية

(11+9) ÷ 4+6

ماهو الكسر الاعتيادي الذي يعبر عن الكسر الدوري 0.33333333333333

Use the diagram to write the multiplication and its productاستخدم الشكل المبين واكتب عملية الضرب وناتجها

1/8=0.0125