Worksheet: The Fish Tale – 1

Q1: Choose the correct answer from the brackets.

(i) One crore = ____ lakhs. (Thousand, Hundred, Ten)

(ii) If 1 kg of sardines cost 40 rupees, the cost of half kg is ____. (30, 20, 10)

(iii) If the speed of the boat is 25 km/hour, then the boat goes ____km in 3 hours. (25, 50, 75)

(iv) The numeral for one crore is expressed as ____. (10000000, 1000000, 100000)

(v) The number of zeros in one lakh is ____. (5, 6, 7)

(vi) When fresh fish is dried it becomes 1/3 of its weight. We dry 6 kg fresh fish to get ____ kg dried fish. (1kg, 2kg, 3kg)

(vii) If a log boat travels at a speed of 4 km in one hour, it will take ____ hours to go a distance of 10 km. (2 hours 30 minutes, 3 hours, 2 hours 15 minutes)

(viii) The speed of a motor boat is 20 km/hour. The distance covered in three and a half hours is____ .(60 km, 70km, 75 km)

(ix) One –fourth of 100 rupees is____. (25, 50, 75)

(x) If 1.5 kg of apples costs 90 rupees, what is the cost of 0.75 kg of apples? (45, 60, 30)

Q2: 1 kilogram (kg) = 1,000 grams (gm)

Convert to the units shown.
(i) 0.06 kg = ____g

(ii) 8.3 kg = ____g

(iii) 0.49 kg = ____g

(iv) 0.2 kg = ____(g)

(v) 23 g = ____ (kg)

(vi) 7.4 g = ____ (kg)

(vii) 0.07 kg = ____ (g)

(viii) 5.5 kg = ____(g)

(ix) 80 kg = ____(g)

(x) 4.6 g = ____ (kg)

(xi) 9.3 g = ____ (kg)

(xii) 71 g = ____ (kg)

(xiii) 0.1 g = ____ (kg)

(xiv) 80 kg = ____ (g)

(xv) 7.4 kg = ____ (g)

(xvi) 0.08 kg = ____ (g)

(xvii) 2 kg = ____ (g)

(xviii) 7.8 g = ____ (kg)

(xix) 0.38 kg = ____ (g)

(xx) 0.53 g = ____ (kg)

Q3: Answer the following questions.

(i) Write the number one thousand. Now write one hundred thousand. So how many zeroes are there in the number one lakh? Easy, isn’t it?

(ii) There are about two lakh boats in our country. Half of them are without a motor. What is the number of boats with a motor? Write it.

(iii) About one fourth of the boats with a motor are big machine boats. How many thousand machine boats are there? Come on, try to do it without writing down.

(iv) Where have you heard of a crore? What was the number used for?

(v) Try writing the number one crore. Write number of zeroes in it. Don’t get lost in all the zeroes!