Maximum Marks: 30
Attempt all questions
Q1. What is the decimal form of 45 tenths? (1 Mark)
(a) 4.5
(b) 45.0
(c) 0.45
(d) 450
Q2. How many millimeters are in 1 centimeter? (1 Mark)
(a) 100
(b) 10
(c) 1000
(d) 1
Q3. What is the place value of 7 in the number 12.374? (1 Mark)
(a) Tenths
(b) Hundredths
(c) Thousandths
(d) Units
Q4. State whether the following statement is True or False: (1 Mark)
"Adding zeros to the right of a decimal number after the last digit changes its value."
Q5. Which number is closest to 2? (1 Mark)
(a) 1.9
(b) 2.1
(c) 2.01
(d) 2.11
Q6. Convert 345 mm to centimeters and express the answer in decimal form. (2 Mark)
Q7. Add the decimals 8.56 and 3.27. (2 Mark)
Q8. Find the next three terms in the decimal sequence: 2.5, 3.0, 3.5, 4.0, ... (2 Mark)
Q9. Convert 567 grams to kilograms using decimals, and verify by converting back to grams. (3 Mark)
Q10. Subtract 7.89 from 12.34 and estimate the answer using whole number parts before calculating. (3 Mark)
Q11. Write the decimal forms of the following : 25 tens, 25 ones, 25 tenths, and 25 hundredths (3 Mark)
Q12. A shop sells cloth at ₹25.50 per meter. Calculate the cost of 3.2 meters of cloth. Then, convert 750 paise to rupees and determine if it is enough to pay for the cloth. (5 Mark)
Q13. Answer the following (5 Mark)
(i) Pinto delivers 3.65 L, 4.15 L, and 4.1 L of milk to a dairy on the first three days. In 6 days, he supplies a total of 24.8 litres of milk. How much milk does he supply on the last three days?
(ii) Indian Railways offers an optional travel-insurance scheme for passengers who book e-tickets. The premium is 60 paise per passenger. On one busy day, 1.25 lakh passengers choose this insurance. How much money (in rupees) does Indian Railways collect as the insurance premium that day?
You can access the solutions to this Unit Test here.
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