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In this lesson, we will learn how to evaluate expressions with decimals and different arithmetic operations using the order of operations.

Q1:

Use the order of operations to find the value of 6 − 5 × 0 . 9 .

Q2:

Calculate 3 6 + 6 . 2 × 1 , 0 0 0 using the order of operations.

Q3:

Determine the value of 2 × 1 . 3 + 1 . 5 using the order of operations.

Q4:

Calculate 6 8 . 7 − 9 . 9 ÷ 3 . 3 − 2 . 5 .

Q5:

Use the order of operations to find the value of 1 5 . 3 4 − 2 2 .

Q6:

Calculate ( 0 . 2 ) × 4 ( 1 3 + 7 ) − 5 2 2 2 .

Q7:

Evaluate 4 × 3 × 3 4 − 0 . 7 5 − 1 1 × 3 2 × 4 4 2 2 4 2 2 .

Q8:

Calculate 8 × 7 ( 4 . 8 + 4 . 2 ) + 4 . 1 .

Q9:

Calculate the following: 3 × 4 + 6 . 7 1 .

Q10:

Using the order of operations, find the value of 7 1 × 3 . 6 7 + 4 2 .

Q11:

Use the order of operations to find the value of the following: 7 − 5 . 4 7 8 + 2 . 6 4 .

Q12:

Samar is hosting a party. If she has $40, and a bakery sells a dozen muffins for $5.75 and a dozen bagels for $7.39, can she afford 2 dozen muffins and 4 dozen bagels?

Q13:

A pizzeria charges $3.68 for a slice of pizza and $0.52 for extra toppings. Determine the cost of getting 150 pizzas with extra toppings.

Q14:

A flash drive sells for $96.79 at a certain shop and for $90.89 at another. If Adel buys a dozen flash drives, determine the amount he could save if he buys them from the second shop.

Q15:

Do these expressions have the same value?

Q16:

Nada used a $20 note and a $10 note to pay for 6 toys. Each toy cost $4.50

Which expression is equal to the number of dollars she received in change?

How much change did she receive?

Q17:

Calculate ( 7 5 − 1 2 . 6 6 ) × 5 .

Q18:

A baker made 100 muffins and 120 cupcakes. He sold the muffins for $1.75 each and the cupcakes for $2.50 each.

Write an expression for the amount of money he made without doing any calculations.

Q19:

Adam’s dad asks him to paint the fence in the backyard. He earns per hour. The fence is 50 feet long, and Adam figures it will take him of an hour to paint 10 feet of fence. Adam’s dad will also pay him an additional to clean the brushes after the job is completed. How much money can Adam expect to earn?

Q20:

Calculate ( 8 1 7 . 8 6 6 − 0 . 6 4 ) + ( 8 4 . 0 2 − 6 8 . 6 5 ) .

Q21:

6 232 piasters ≈ pounds.

Q22:

Calculate ( 4 . 1 5 × 6 ) + ( 4 . 1 5 × 4 ) .

Q23:

Calculate ( 6 . 4 × 0 . 5 ) + ( 6 . 5 × 0 . 1 ) .

Q24:

Calculate ( 2 6 . 4 × 2 . 8 ) + 8 . 1 5 9 .

Q25:

Calculate ( 8 . 2 + 7 . 6 5 ) × 5 .

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