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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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