Write the following using number, literals and sings of basic operations. State what each letter represents: The diameter of a circle is twice its radius.

Let r and d be the radius and diameter of the circle, respectively. Therefore, d = 2r

Write the following using number, literals and sings of basic ope…

Between which two whole numbers on the number line are the given numbers? Which one is nearer the number?
9.0

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Classify the angles whose magnitudes are given below:
181°

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Write (T) for true and (F) for false against the following statements:500 is the predecessor of 499.

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Classify the angles whose magnitudes are given below:
90°

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List all even prime numbers.

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Write the following in numerical form:
Nighty-Eight million seven hundred eight thousand four.

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Which of the following statements are true?
51 : 58 = 85 : 102

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Find the estimated quotient for the following by rounding off number to its greatest place:
878 ÷ 28

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Write the corresponding Hindu-Arabic numerical for the following:
CCCXXIX

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State which of the following statements are true (T) and which are false (F):
Any plane through a horizontal line is horizontal.

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