1.
Which is largest?
Correct Answer
B. 0.64
Explanation
The given options consist of numbers and dates. Among these options, 0.64 is the largest number.
2.
What is the place value of the 3 in 0.003?
Correct Answer
A. Thousandths
Explanation
The place value of a digit refers to the position it holds in a number. In the number 0.003, the 3 is in the third decimal place after the decimal point. Each decimal place is ten times smaller than the one before it. Therefore, the place value of the 3 in 0.003 is thousandths, as it represents a value that is one thousandth of a whole unit.
3.
What is 378,659 rounded to the nearest one-hundred thousand?
Correct Answer
B. 400,000
Explanation
The number 378,659 is closer to 400,000 than it is to 300,000. When rounding to the nearest one-hundred thousand, we look at the digit in the one-hundred thousand place, which is 3 in this case. Since 3 is less than 5, we round down to the nearest one-hundred thousand, which is 300,000.
4.
If 1/3 of 300 people surveyed plant a garden, how many people plant a garden?
Correct Answer
B. 100
Explanation
If 1/3 of 300 people surveyed plant a garden, it means that one-third of the total number of people surveyed, which is 300, plant a garden. To find out how many people that is, we can calculate one-third of 300, which is 100. Therefore, the correct answer is 100.
5.
If you have 14 days to read a 280 page book, how many pages should you read each day?
Correct Answer
A. 20
Explanation
To determine how many pages you should read each day, divide the total number of pages in the book (280) by the number of days you have to read it (14). This calculation gives you an average of 20 pages per day. Therefore, you should aim to read 20 pages each day in order to finish the book within the given time frame.
6.
If an angle measures 180 degrees, what is it called?
Correct Answer
A. Straight Angle
Explanation
A straight angle is formed when two opposite rays meet at a point and create a straight line. It measures exactly 180 degrees. This angle is called a straight angle because it forms a straight line, and all the points on the line are collinear. It is the largest possible angle that can be formed, as any angle greater than 180 degrees would require more than a straight line.
7.
What is the perimeter of a triangle that has sides of length 3 inches, 7 inches, and 6 inches?
Correct Answer
D. 16 Inches
Explanation
The perimeter of a triangle is the sum of the lengths of its sides. In this case, the lengths of the sides are 3 inches, 7 inches, and 6 inches. Adding these lengths together gives us a total of 16 inches, which is the perimeter of the triangle.
8.
How do you write "seventy-four hundredths" as a decimal?
Correct Answer
A. 0.74
Explanation
To write "seventy-four hundredths" as a decimal, we need to understand that "hundredths" refers to the second decimal place. In this case, the number 74 is already in hundredths, so we can directly write it as 0.74.
9.
If a necklace has 5 silver beads and 5 gold beads, how many beads will 10 necklaces have?
Correct Answer
B. 100
Explanation
If one necklace has 10 beads (5 silver and 5 gold), then 10 necklaces will have 100 beads in total. This is because each necklace has 10 beads, and multiplying this by the number of necklaces (10) gives us a total of 100 beads.
10.
What is 7.5 - 4.9?
Correct Answer
C. 2.6
Explanation
The correct answer is 2.6 because when we subtract 4.9 from 7.5, we get 2.6.
11.
How do you write "nine tenths" as a decimal?
Correct Answer
B. 0.9
Explanation
To write "nine tenths" as a decimal, we need to convert the fraction to a decimal form. In this case, the fraction is 9/10. To convert a fraction to a decimal, we divide the numerator (9) by the denominator (10). The result is 0.9, which is the decimal equivalent of "nine tenths".
12.
How do you write 25/10 as a decimal?
Correct Answer
A. 2.5
Explanation
To write 25/10 as a decimal, we divide the numerator (25) by the denominator (10). This division gives us 2.5, which is the decimal equivalent of 25/10.
13.
What is 2/5 + 1/2?
Correct Answer
A. 10-Sep
Explanation
The correct answer is 10-Sep. To find the sum of fractions, we need to have a common denominator. In this case, the common denominator is 10. We can rewrite 2/5 as 4/10 and 1/2 as 5/10. Adding these fractions together gives us 9/10. September is the 9th month, and the day is the 10th, so the answer is 10-Sep.
14.
What is the average of 92, 71 and 83?
Correct Answer
B. 82
Explanation
To find the average of three numbers, you add them together and then divide the sum by the total number of values. In this case, the sum of 92, 71, and 83 is 246. Since there are three numbers, you divide 246 by 3, which equals 82. Therefore, the average of 92, 71, and 83 is 82.
15.
What is the word name for 6/100?
Correct Answer
A. Six Hundredths
Explanation
The word name for 6/100 is "Six Hundredths." This is because the numerator, 6, represents the number of parts we have, and the denominator, 100, represents the total number of equal parts that make up a whole. Therefore, when we have 6 out of 100 parts, we say "Six Hundredths."