Choose the best method for evaluating this expression.
63 + (12 + 28) =
Select the correct answer.
Question 1 options:
This is an illustration of a hand with a pen writing on a piece of paper the math problem six hundred thirteen plus two hundred ninety-eight.
This is an illustration of a small basic calculator icon.
This is an illustration of a bald man holding a sign that reads Mental Math.
This is an illustration of a bald man holding a sign that reads Mental Math.
Question 2 options:
Which property is illustrated in this problem?
(6 x 3) x 5 = 6 x (3 x 5)
Type the correct answer.
The correct answer is the Associative Property of Multiplication.
Question 3 options:
Which property is illustrated in this problem?
4 + (6 + 2) = (4 + 6) + 2
The correct answer is the Associative Property of Addition.
Question 4 options:
Solve this problem.
.125 ÷ 25
To solve the problem, we can divide 0.125 by 25:
0.125 ÷ 25 = 0.005
So, the solution to the problem is 0.005.
Question 5 options:
Solve this problem.
In 1991, American sprinter Carl Lewis set a world record of 9.86 seconds for the 100-meter dash. A honeybee can fly the same distance in 20.706 seconds. How many times faster than a honeybee is Carl Lewis?
Blank Space__________ times faster
To determine how many times faster Carl Lewis is than a honeybee, we can divide the honeybee's time by Carl Lewis' time:
20.706 seconds ÷ 9.86 seconds = 2.1
Therefore, Carl Lewis is approximately 2.1 times faster than a honeybee.
Solve this problem.
Grammy's Apple Orchard is selling apple cider in 34.7-ounce bottles for $2.09. Grammy's competitor is selling 24.6-ounce bottles of cider for $1.99. What is Grammy's price per ounce for cider?