MATHEMATICS

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Across
  1. 2. The shaded face of a cuboid is a square. It's length is 20 cm and its volume is 3920 cm3. Find the length of one edge of the square face.
  2. 3. The value of 7200 : 80 is ....
  3. 4. A rectangular tank 18 cm by 30 cm by 10 cm is 1/3 full of water. So, the volume in the tank is ....
  4. 5. Multiply. 3.45 x 100
  5. 6. Estimate the sum by first rounding off the number to the nearest thousand.
  6. 9. Count in the thousands. 80,000 ; 70,000 ; 60,000 ; ....
  7. 10. The volume of a tank is 196 litres. It takes 4 hours to fill in the tank with water from a tap until it is full. What is the debit of water from the tap?
  8. 11. A rectangular tank measuring 24 cm by 20 cm by 14 cm contains 3.84 litres of water. How much more water is needed to fill the tank completely?
Down
  1. 1. The value of 49,000 : ..... = 7
  2. 2. 12 litres 5 ml = .... ml
  3. 4. The value of 58 x 219
  4. 7. The cube rote of 3375 is ....
  5. 8. Water is flowing through a tap at 28 litres/ min. What is the total volume of the water flower after 5 minutes?