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Embark on a thrilling journey to enhance your mathematical prowess with our "Sharpen Your Skills Math Revision Quiz." Whether you're a math enthusiast or someone looking to strengthen your foundational skills, this quiz is designed to engage and challenge you. Mathematics is the language of logic and precision, and with this quiz, you'll have the opportunity to delve into various concepts, from basic arithmetic to problem-solving strategies. The beauty of this quiz lies in its versatility. Whether you're a student looking for an interactive revision tool or an adult aiming to brush up on mathematical concepts, this quiz is your Read morego-to resource. Expect a mix of fun and challenge, making your journey through numbers not only educational but also enjoyable. Prepare to tackle questions that encourage critical thinking, stimulate problem-solving abilities, and boost your confidence in handling mathematical challenges. As you conquer each question, you'll not only refine your skills but also gain a newfound appreciation for the elegance and logic inherent in mathematics. Ready to embark on a math adventure? Let the "Sharpen Your Skills Math Revision Quiz" be your guide to mathematical excellence!
Math Revision Questions and Answers
1.
The inside angles of a triangle =________degrees.
Explanation The sum of the inside angles of a triangle is always 180 degrees. This is a fundamental property of triangles that can be proven using geometry or algebraic methods.
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2.
A revolution = ________degrees.
Explanation The given statement suggests that a revolution is equal to 360 degrees. In geometry, a revolution refers to a complete rotation around a point or axis. Since a circle is divided into 360 degrees, a full rotation or revolution is equivalent to 360 degrees. Therefore, the correct answer is 360.
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3.
3.89 rounded off to the nearest whole number is________.
Explanation The number 3.89 is rounded off to the nearest whole number, which means we look at the decimal part. Since the decimal part is less than 0.5, we round down to the nearest whole number. Therefore, the correct answer is 4.
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4.
20% of 50 is:
A.
5
B.
8
C.
10
D.
4
Correct Answer
C. 10
Explanation 20% of 50 can be calculated by multiplying 50 by 0.20. This gives us 10, which is the correct answer.
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5.
Calculate x
A.
115
B.
65
C.
245
D.
180
Correct Answer
B. 65
Explanation The sum of all angles in a triangle is 180 degrees. Using this we can arrive at the equation:
x + 47 + 68 = 180
x = 65
Therefore, the correct answer is 65.
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6.
Calculate h
A.
32
B.
68
C.
92
D.
56
Correct Answer
C. 92
Explanation Let the third angle of the triangle be x. the sum of x and 148 should be 180 degrees. Therefore, x is 32 degrees.
The sum of all angles in a triangle is 180 degrees. Using this we can arrive at the equation:
h + 32 + 56 = 180
h = 92
Therefore, the correct answer is 92.
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7.
A hall has 30 rows of chairs and 22 chairs in a row. How many chairs are there in total?
Correct Answer 660
Explanation In order to find the total number of chairs in the hall, we need to multiply the number of rows by the number of chairs in each row. Since there are 30 rows and each row has 22 chairs, the total number of chairs is 30 x 22 = 660.
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8.
Select the ones that are the same as 12/20.
A.
60 percent
B.
0.06
C.
0.6
D.
6/10
Correct Answer(s)
A. 60 percent C. 0.6 D. 6/10
Explanation The given options 60 percent, 0.6, and 6/10 are all equivalent to the fraction 12/20. 60 percent can be written as 0.6 in decimal form, which is the same as 6/10 as a fraction. Therefore, all three options represent the same value as 12/20.
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9.
Choose the ones that are factors of 30.
A.
10
B.
3
C.
4
D.
15
E.
20
Correct Answer(s)
A. 10 B. 3 D. 15
Explanation The numbers 10, 3, and 15 are all factors of 30 because they can evenly divide into 30 without leaving a remainder. For example, 10 x 3 = 30, and 30 ÷ 15 = 2. Therefore, these numbers are considered factors of 30.
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10.
Name the following shape.
Correct Answer(s) Square based pyramid
Explanation A square-based pyramid is a three-dimensional shape that has a square as its base and four triangular faces that meet at a common vertex. The base of the pyramid is a square, which means that all four sides are equal in length and all four angles are right angles. The triangular faces are formed by connecting each corner of the square base to the common vertex. This shape is called a square-based pyramid because its base is a square.
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11.
What is the area of the following shape?
A.
38 square cm
B.
84 square m
C.
38 square m
D.
84 square cm
Correct Answer
D. 84 square cm
Explanation The correct answer is 84 square cm. This is because the given options are measurements of area, and the unit "cm" represents square centimeters. Among the options, 84 square cm is the only one that matches this unit.
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12.
The ratio of red circles to blue stars.
A.
6:4
B.
4:7
C.
7:4
D.
4:11
Correct Answer
C. 7:4
Explanation The correct answer is 7:4 because it represents the ratio of red circles to blue stars. This means that for every 7 red circles, there are 4 blue stars.
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13.
989 - ________=561
Correct Answer 428
Explanation Let the missing number be x. To find the missing number in 989 − x = 561, subtract 561 from 989.
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14.
72 x 5 = ________
Correct Answer 360
Explanation The correct answer is 360 because when you multiply 72 by 5, you get the product of 360.
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