1) The abacus below shows a step with each division sequence. How many more beads must be added to the abacus so that the reading of the number shown on the abacus is "two hundred and forty million three hundred three thousand three hundred three"? a) 3 b) 4 c) 5 d) 6 2) 5, 11, 17, 23, ?, 35 Which number should replace ? in the given pattern? a) 27 b) 29 c) 31 d) 32 3) (120+380): 5 ² What is the result of the operation? a) 20 b) 100 c) 50 d) 25 4) Which of the following fractions is modeled below? a) 2 2/3 b) 3 1/3 c) 3 2/3 d) 2 1/3 5) Which of the following is not a factor of 30? a) 1 b) 4 c) 5 d) 10 6) The natural number factors of a number are given below in order from least to greatest. According to this, what is B? a) 16 b) 24 c) 32 d) 64 7) Based on the factor tree below, what is A − B + C? a) 68 b) 64 c) 52 d) 48 8) Given that 4x+13=5, what is x? a) -2 b) -4 c) -3 d) -5 9) 3 more than 6 times which number equals 33? a) 5 b) 6 c) 9 d) 13 10) What is the result of the operation (-7)-(-13)= ? a) -20 b) 6 c) -6 d) 20

Fun with maths (secondary school)

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