A. NUMBER BASES

B. ROMAN NUMERALS

C. GRAPHS

Time allowed: 45 Minutes

Calculators are NOT allowed

(1) 2 312 five − 342 five

1420 five

1422 five

1424 five

1430 five

(2) Change 43 to a number in base 5.

233 five

143 five

134 five

133 five

(3) 101 two + 11 two

1000 two

1011 two

1101 two

1110 two

(4) Convert 242 five to base ten.

70

72

242

2 420

(5) 454 eight + 224 eight =

230 eight

600 eight

700 eight

678 eight

(6) Find the difference between 3003 five and 1344 five.

4001 five

3214 five

2114 five

1104 five

(7) 756 eight − 127 eight =

625 eight

626 eight

627 eight

637 eight

(8) A class library has 19 books. Write this number in base 5.

19 five

24 five

34 five

20 five

(9) 156 eight in base ten is...

146

110

98

56

(10) In a class of 45 pupils, 24 are boys. Express the number of boys in base five.

10 five

14 five

40 five

44 five

(11) 213 eight + 755 eight =

1430 eight

1362 eight

1170 eight

1162 eight

(12) In base ten, 134 five equals...

8

20

40

44

(13) In base ten, the difference between the values of the 3 and 4 in 341 five equals...

0

1

55

260

(14) 341 + 452 = 1 013. The calculation was done in base...

five

six

seven

eight

(15) The year 2010 in Roman numerals can be written as...

LCX

MMI

CCV

MMX

(16) Arrange the following Roman numerals from the smallest to the biggest: XXV, LIV, and XXI.

XXI,XXV, LIV

XXV, XXI, LIV

LIV, XXI, XXV

LIV,XXV, XXI

(17) In Hindu-Arabic numerals, the Roman numeral LXXIV can be written as...

54

64

74

84

(18) Arrange the Roman numerals from the smallest to the biggest. DCV, LXV, CDV.

CDV, DCV, LXV

DCV, CDV, LXV

LXV, CDV, DCV

LXV, DCV, CDV

(19) Write nine hundred nineteen in Roman numerals.

CMXIX

MCXIX

MCXXI

CMXXI

(20) Write the Roman numeral LXIV in Hindu-Arabic numerals.

64

66

114

514

(21) In Roman numerals, the number 1 230 can be written as...

MCCXXX

MCMXXX

MLXXX

MCMLXXX

(22) Write the Roman numeral XLI in Hindu-Arabic numerals.

31

39

41

49

(23) In Hindu-Arabic numerals, the Roman numeral MVI can be written as...

151

1006

1051

1501

(24) The graph shows the number of bags of beans sold by a man in five days. On which day did the man sell the highest number of bags of beans?

Monday

Tuesday

Thursday

Friday

(25)The graph shows the amount of rainfall recorded at a certain town from Monday to Friday. What is the difference between the highest and the lowest rainfall recorded?

50mm

40mm

30mm

20mm

(26) The graph shows the amount of milk supplied to a hotel in five days. How many litres of milk were supplied on Monday and Tuesday altogether?

100 litres

150 litres

200 litres

300 litres

(27) The diagram shows how children traveled to school on one day. If ☻ represents two children, how many children used a bus to travel to school?

12

8

6

4

(28) The graph shows the number of bags of rice produced by a farmer in five years. How many bags were produced in 2008?

60

50

30

25

(29) The graph shows temperatures recorded at a place in one week. On which day was the lowest temperature recorded?

Friday

Sunday

Tuesday

Saturday

(30) The bar chart below shows the production of maize at a farm from 2005 to 2010. What is the difference between the tonnes of maize produced in 2007 and 2008?

10 tonnes

40 tonnes

50 tonnes

60 tonnes