Order of Operations
What is the value of this expression?
57 – (0.2 x 3)
A) 5.1 B) 56.4
C) 51.4 D) 17.4
B) 56.4
54 + 6.83
60.83
3.6 ÷ 3
1.2
In the number 3,428.21, the 2 in the tens place is _________________ the value of the 2 in the tenths place.
100x more than
Robert says that the expression 2 + 0.3 x 7 and 2 + (0.3 x 7) have the same value. Is Robert correct? Explain your answer.
Yes, Robert is correct! In PEMDAS, multiplication comes before adding in the first problem, and parentheses comes first in the second problem. You would do the same steps with or without parentheses.
$100 - $73.42
$26.58
0.7 x 9
6.3
In the number 5,607.27, the 7 in the ones place is _________________ the value of the 7 in the hundredths place.
100x more than
Which of the following expressions has the greatest value?
A) 5 x (7 – 6) - 4 B) (5 x 7) – 6 - 4
C) 5 x 7 – (6 – 4) D) (5x7) - (6 –1)
C) 5 x 7 – (6 – 4)
There are 4.5 litres of milk in a pot. The chef stirs in 2.5 g of salt and 1.2 litres of water. How much liquid is in the pot?
There are 5.7 litres of milk.
Ms. Wilkins is buying each of her 24 art students paint brushes for next week’s art project. Each paint brush costs $4.75. How much will Ms. Wilkins pay for all her students to have a paint brush?
$114
What is the relationship between the 5 in the hundreds place and the 5 in tens place in 4,553.72?
The 5 in the hundreds place is 10 times the value of the 5 in the tens place.
What is the value of this expression?
43 – (0.3 x 2)
A) 42.4 B) 37.0
C) 45.4 C) 40.2
A) 42.4
The chef took out 54.8 g of butter but then found out that he took out 6.9 g of butter more than he need. How much butter did he need?
He needs 47.9 g of butter.
Publix sells oranges for $0.58 each. What is the cost of 6 oranges?
$3.48
What is the relationship between the 7 in the hundreds place and the 7 in tens place in 4,779.2?
The 7 in the hundreds place is 10 times more than the 7 in the tens place.
Which of the following expressions has the greatest value?
A) 2 x 8 – (3 – 1) B) (2 x 8) – (2 – 1)
C) 2 x (8 – 3) – 1 D) (2 x 8) - 3 – 1
B) (2 x 8) – (2 – 1)
The chef is making 10.5 batches of dinner rolls. For each batch, he kneaded dough for 0.7 hours and let the dough rest for 1.6 hours. Then he baked the dough for 0.4 hours. How long does it take to make each batch of dinner rolls?
It takes 2.7 hours to make the dinner rolls.
Ms. Drake spends a total of $142.00 every 4 weeks for her membership at L.A. Fitness Gym. If she paid for it weekly instead of all at once, how much would the membership cost per week?
$35.50
What is the relationship between the 5 in the tenths place and the 5 in tens place in 4,459.5?