c Sec Revision Test

MEP Jamaica: STRAND A UNIT 1 Decimals and Fractions: CSEC Revision Test

CIMT and e-Learning Jamaica 1

1. Write the decimal equivalent of

(a) 310

(b) 7100

(c) 1320

(3 marks)

2. Write each of the following as fractions in their simplest form.

(a) 0.79 (b) 0.015 (2 marks)

3. Calculate the value of each of the following expressions:

(a) 3 4 2 ( )( ) ( )

(b) 8 2 7 4 ( )( ) + ( ) ( )( )

(c) ( ) ( ) ( )( )15 3 12 4 (3 marks)

4. Write

(a) 7.6375 correct to 2 d.p.(b) 10.345 correct to 1 d.p.(c) 0.0875 correct to 1 d.p. (3 marks)

5. Write

(a) 10.503 correct to(i) 1 s.f. (ii) 2 s.f. (iii) 3 s.f.

(b) 0.09247 correct to(i) 1 s.f. (ii) 2 s.f. (iii) 3 s.f. (6 marks)

6. A concert hall has 22 rows of seats. Each row has 69 seats.The total number of seats is

22 69

(a) Write down the numbers you could use to get an approximate answer to22 69 . (1 mark)

(b) Write down your approximate answer. (1 mark)(c) Using a calculator, find the difference between your approximate answer

and the exact answer. (1 mark)

UNIT 1 Decimals and Fractions CSEC Revision Test



7. (a) Use your calculator to work out:

(i) 59 73 14 2 8

.. .

(ii) 579 8 7 3. .+

(iii) 13 9

3 14 3...

+

Give your answers correct to 3 significant figures. (3 marks)

(b) Explain how you could quickly check that your answer to (a) (iii) is ofthe right order of magnitude. (2 marks)

(TOTAL 25 MARKS)

UNIT 1 Decimals and Fractions CSEC Revision Test



1. (a) 0.3 (b) 0.07 (c) 0.65 B1 B1 B1 (3 marks)

2. (a) 79100

(b) 3200

B1 B1 (2 marks)

3. (a) 14 (b) 12 (c) 15 B1 B1 B1 (3 marks)

4. (a) 7.64 (b) 10.3 (c) 0.1 B1 B1 B1 (3 marks)

5. (a) (i) 10 (ii) 11 (iii) 10.5 B1 B1 B1(b) (i) 0.09 (ii) 0.092 (iii) 0.0925 B1 B1 B1 (6 marks)

6. (a) 20 70 (b) 1400 (c) 118 B1 B1 B1 (3 marks)

7. (a) (i) 6.79 (ii) 3.33 (iii) 0.977 (b) 14

34

1+ = B1 B1 B1 M1 A1 (5 marks)

(TOTAL MARKS 25)

1

UNIT 1 Decimals and Fractions CSEC Revision TestANSWERS

Documents

c Sec Revision Test