Squares and Square Roots
The square of 3.
What is 9?
Fractions are converted to decimals by dividing the _______ by the ________.
What is the numerator by the denominator?
The square root of 30 is between these two whole numbers.
What is 5 and 6?
What are the two main subgroups of Real Numbers?
Rational and Irrational
The subsets of rational and irrational numbers make up this number system.
What is the real number system?
The square root of 81.
What is 9?
What is 0.1212121212... as a fraction?
4/33
The square root of 75 is between these two whole numbers.
What is 8 and 9?
Which of the following is not an irrational subset?
A. repeating decimals
B. pi
C. non-terminating/non-repeating decimals
D. non-perfect square roots
A. repeating decimals
Numbers that are defined as "counting numbers starting with 1" are called ___________.
Natural
The square of 15.
What is 225?
Ricky ran 7/16 of a mile before stopping to tie his shoe. Write his distance as a decimal.
What is 0.4375?
Which of the following statements is not true?
A. The sqrt(112) is between 10 & 11
B. The sqrt(12) is between 4 & 5
C. The sqrt(180) is between 13 & 14
What is B. The
sqrt(12)
is between 4 & 5?
True or False?
Integers are considered whole, rational, and real
False; Integers are not whole because integers includes negatives
Numbers that can be written as fractions, terminating decimals, and repeating decimals are _________.
Rational
True or False?
The inverse of squaring a number is dividing it by 2.
False; the inverse of squaring a number is taking the square root.
Emily ended up using 7/3 cups of flour in a recipe for cookies. Express the amount of flour that she used as a decimal.
What is 2.333..?
Which is larger:
sqrt(5) or 7?
What is 7?
True or False?
Every real number is a rational number.
False; irrational numbers are also real
Integers are _________ numbers and their opposites.
whole
The length of one side of the square pool at Sammie's gym with an area of 144 square feet.
What is 12 feet?
Which of the following fractions converts to a repeating decimal?
A. 7/8 B.3/5 C. 2/9
What is C. 2/9?
True or False? Non-perfect square roots are real numbers.
True; non-perfect square roots are irrational. Irrational is a subgroup of Real Numbers
True or False?
Some irrational numbers are integers.
False; integers can be written as fractions and are rational.
Natural, Whole, Integer, Rational, and Irrational are all ____________ of the real number system.
subsets/subgroups