COSTAATT

1.(a)Write 2470 in expanded notation. [ 2 ](b)Write in figures forty thousand and eight. [ 2 ](c)What is the place value of 2 in 327,541? [ 1 ]

2.(a)Find the sum of 23, 77 and 113. [ 2 ](b)What is the difference between 1013 and 23? [ 2 ] (c)When 0 is divided by 100 the result is __________ [ 1 ]3.(a)Multiply 3542 by 251. [ 3 ](b)Divide 3168 by twenty-four . [ 3 ]

4.Simplify by using the order of operations :

(a) [ 2 ]

(b) [ 4 ]

5.(a)Round 9678 to:(i)to the nearest ten [ 1 ](ii)to the nearest hundred [ 1 ](iii)to one significant figure [ 1 ]

(b)A pick-up weighs 1760 kg. If its 682 kg engine is replaced with a 980kg engine, use front-end rounding to determine the new weight of the pick-up. [ 3 ]

6.(a)Which in the following list is not a mixed number? , 7.5, , 0.75 [ 1 ](b)Give an example of an improper fraction. ` [ 1 ]

(c)Arrange in descending order. [ 3 ]

7.(a)Find:(i)and (ii) [ 3 ]

(b)Find [ 3 ]8.(a)On Monday, 11594 people visited Port-of-Spain and on Tuesday another 12352 people visited. Which day had more people visiting Port-of-Spain? How many more? [ 3 ]

(b)Annies Restaurant buys 15 cartons of eggs. If each carton contains 36 eggs, find the number of eggs purchased. [ 3 ]

9.(a)In May, a landlord received $720 from each of eight tenants. After paying $2180 in expenses, how much rent money did the landlord have left? [ 3 ]

(b)Tasha is paid $685 for each kitchen remodelling job that she sells. If she sold 6 remodelling jobs and had $320 in sales expense deducted, how much did she make? [ 3 ]

10.(a)A vegetable plot has dimensions of length m and width m. If the area is

, find the area of the vegetable plot. [ 3 ]

(b)A new vaccine is synthesized at a rate of per day. How many days did it take the biologist to synthesize of the vaccine. [ 3 ]

END OF EXAM!