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In this lesson, we will learn how to multiply decimals by other decimals up to thousandths to solve problems including real-life situations.
Q1:
0 . 9 0 5 × 0 . 2 3 4 = .
Q2:
3 . 5 7 × 1 . 4 = .
Q3:
Calculate 1 3 . 6 × 6 . 3 .
Q4:
7 7 . 2 × 0 . 2 7 2 = .
Q5:
Calculate 4 . 2 × 4 7 . 3 1 .
Q6:
Complete the figure shown.
Q7:
A grizzly bear can run up to 46.93 feet per second. Determine the distance it can cover in 3.1 seconds.
Q8:
Calculate the area of a rectangle whose side lengths are 42.89 cm and 9.3 cm. Give your answer correct to the nearest square centimetre.
Q9:
Find the area of the given rectangle.
Q10:
2 . 8 5 × 3 . 2 = .
Q11:
A person accidentally left a tap running for 4.25 hours. Given that 4.64 litres of water were wasted each hour, how much water was wasted in total?
Q12:
A mile is about 1.609 kilometres. How many kilometres are there in 7.5 miles?
Q13:
Calculate 0 . 7 1 9 × 7 . 4 .
Q14:
Complete the given table.
Q15:
Given that 𝑎 = 1 . 5 , 𝑏 = 0 . 0 5 2 , and 𝑐 = 6 . 6 6 , evaluate the expression 𝑎 𝑏 𝑐 .
Q16:
Mona is buying clothes. The items she wants to buy cost $141.50 before sales tax. If the sales tax is calculated by multiplying the total amount by 0.06, determine the total amount of sales tax.
Q17:
Adam is on holiday in Europe and he needs to rent a car to drive the 320 kilometres from Paris to Brussels. He wants to know the distance in miles. To convert from kilometres to miles, a distance in kilometres must be multiplied by 0.62. How many miles will Adam drive?
Q18:
7 . 8 3 2 × 0 . 9 3 ≈ to the nearest thousandth.
Q19:
The price of one meter of cloth is 16.25 LE. What is the cost of 5.4 meters of cloth?
Q20:
A man bought a sheep weighing 94.5 kilograms. The sheep costs 64.50 LE per kilogram. How much did the man pay?
Q21:
Given that 1 8 8 × 1 3 = 2 4 4 4 , find the value of 1 8 . 8 × 1 . 3 × 0 . 0 1 .
Q22:
Complete the given table, giving your answers correct to the nearest thousandth.
Q23:
Nader bought a car that holds 24.75 gallons of gas and makes an average of 18.5 miles per gallon. Determine how many miles he can cover on a full tank.
Q24:
Q25:
Which of the following is a multiplication problem whose result is between 0.51 and 0.99?
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