Topic 1 Basic operations on numbers Terms

Homework:

1. 
   Calculate: a) 99757 + [414315:27 + 134536711 – (14253402 + )];
   

b) ;

c) What is the numerical expression 1000 – 999 + 998 – 997 + … + 4 – 3 + 2 – 1 equal to?

d) If and calculate AB.

2. 
   Tell if the number 124740 is divisible by 2, 3, 4, 5, 6, 8, 9 and 10.
   
3. 
   Find HCD and LCM of 918 and 2448.
   
4. 
   Hasan’s step is 63 cm, whereas his twin brother Husan’s step is 56 cm. If they start walking from the same place in the same direction, at what closest distance will their steps overlap?
   
5. 
   

   Mon	Tue	Wed	Thu	Fri
   330	375	354	387	352

   A team of 4 workers assemble front brakes for Volvo cars. Their salary is made up of £300 per week per person plus a bonus. This bonus is as follows: For the first 150 brakes in a day the team receives 40p per brake; any brakes they make above this per day and they receive 45p per brake. The team splits the bonus equally among them. Calculate the salary each took home this week using the information provided in the table.
   
6. 
   The following is the statistics for the five Central Asian countries in 2005.
   

a) Which country has the largest area?

Country	Population	Area (in km^2)
Kazakhstan	15,185,844	2,717,300
Kyrgyzstan	5,146,281	198,500
Tajikistan	7,163,506	143,100
Turkmenistan	4,952,081	488,100
Uzbekistan	26,851,195	447,400

b) Which country has the smallest population?

c) Which country is the most densely populated (most people for each square kilometer of land)?

d) Find the combined population of Kazakhstan, Kyrgyzstan, Turkmenistan and Uzbekistan.

e) Find the total area of these five countries