1) Which of the following is a prime number? a) 9 b) 15 c) 11 d) 21 2) What is a composite number? a) A number less than 0 b) A number with more than two factors c) A number divisible only by 1 and itself d) A number written as a fraction 3) Which of these is an even number? a) 17 b) 22 c) 35 d) 51 4) What defines an odd number? a) A number divisible by 5 b) A number not divisible by 2 c) A negative whole number d) A number with a decimal point 5) Which set does the number -7 belong to? a) Fractions b) Decimals c) Integers d) Percentages 6) Which of the following is a fraction? a) 5.4 b) ¾ c) 25% d) 9 7) What is 0.25 written as a percentage? a) 15% b) 20% c) 25% d) 30% 8) Which of the following is a square number? a) 7 b) 12 c) 16 d) 20 9) What is the absolute value of -9? a) -9 b) 0 c) 9 d) Cannot be determined 10) Which of the following numbers is a decimal? a) 3.14 b) ¾ c) 25% d) -5

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