Using a well-labeled place value mat show how you would find the sum of 239 and 85

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Number Concept

1. Using the number 50296 answer the following

i) the face value of the digit 0 is

ii) the true value of digit 5 is

iii) the place value of the digit 9 is

iv) write 50296 in expanded form

y) find the difference between the face value and the place value of 2  (5 marks)

2. Using a well-labeled place value mat show how you would find the sum of  239 and 85 (clearing showing regrouping) (3 marks)

3. Convert the following to the required bases

i) 281 to base 2 (2 marks)

ii) 1110112 to base 5 (3 marks)

4. i) Find the product of 101102 and lU2 (2 marks)

ii) Solve the equation for N5 , given that 432 + N5 = 234 (3 marks)

5. Determine the next 2 terms in the sequence below (2marks)

i)2, 10, 50, 250

ii) —2, 1/2, -1/8,1/32, _ _

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