Decimals Flashcards
What is a decimal?
A decimal is a number that includes a decimal point, representing a whole number and a fractional part.
True or False: Decimals can only represent positive numbers.
False
Fill in the blank: The decimal point separates the _______ part from the fractional part.
whole
What is the place value of the first digit to the right of the decimal point?
tenths
What is 0.75 expressed as a fraction?
3/4
True or False: 1.2 is greater than 1.22.
False
What is the decimal equivalent of 1/10?
0.1
Convert 2.5 to a fraction.
5/2 or 2 1/2
What is 0.003 in scientific notation?
3 x 10^-3
Which of the following is the largest decimal: 0.5, 0.55, 0.555?
0.555
True or False: Decimals can be added just like whole numbers.
True
What is the result of 3.6 + 2.4?
6.0
Fill in the blank: A number with two decimal places is often used to represent _______.
currency
What is the decimal representation of 25%?
0.25
What is 0.1 + 0.2?
0.3
True or False: The number 0.999… is equal to 1.
True
What do you call a decimal that has a repeating digit?
repeating decimal
What is the decimal equivalent of 3/4?
0.75
How many decimal places does the number 0.00456 have?
4
Which decimal is smaller: 0.03 or 0.3?
0.03
Fill in the blank: To multiply decimals, align the _______ points.
decimal
What is the product of 0.6 and 0.4?
0.24
True or False: You can convert a decimal to a percentage by multiplying by 100.
True
What is the decimal form of 1.75?
1.75
What is 5.5 - 2.3?
3.2
Fill in the blank: The number 0.0001 is in the _______ place.
ten-thousandths