1.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
Which of the following is a correct representation of 540 in expanded form?
2.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the units digit of \( 7^{2023} \)?
3.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the sum of all even numbers between 1 and 100, inclusive?
4.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the difference between the largest 3-digit number and the smallest 4-digit number?
5.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
If \( 4^{2x} = 1024 \), what is the value of \( x \)?
6.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
Which of the following numbers is divisible by both 2 and 3?
7.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
If \( 3x + 5 = 20 \), what is the value of \( x \)?
8.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
Which of the following is the prime factorization of 360?
9.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
If \( 5^n = 625 \), what is the value of \( n \)?
10.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
Which of the following is a factor of both 28 and 42?
11.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
Which of the following expressions is equivalent to \( 16 \times 25 \)?
12.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the least common multiple (LCM) of 18 and 24?
13.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
A number is increased by 50\% and then decreased by 50\%. The final number is what percent of the original number?
14.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the remainder when 1234 is divided by 11?
15.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
What is the value of \( 9 \times 111 \)?
16.
Praxis Mathematics CKT 7813: Counting and Operations with Whole Numbers
If \( 5x = 3y \) and \( y = 15 \), what is the value of \( x \)?
17.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the value of the digit 5 in the number 3.574?
18.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the decimal representation of \(\frac{4}{25}\)?
19.
Praxis Mathematics CKT 7813: Place Value and Decimals
If a number is rounded to 0.12, which of the following could be the original number?
20.
Praxis Mathematics CKT 7813: Place Value and Decimals
Which of the following represents the decimal 0.456 in fractional form?
21.
Praxis Mathematics CKT 7813: Place Value and Decimals
Which of the following is equivalent to the decimal 0.875?
22.
Praxis Mathematics CKT 7813: Place Value and Decimals
If \(0.2 \times 10^n = 20\), what is the value of \(n\)?
23.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the product of 0.007 and 0.04?
24.
Praxis Mathematics CKT 7813: Place Value and Decimals
Which of the following numbers has the least value?
25.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the result when 15.6 is divided by 0.04?
26.
Praxis Mathematics CKT 7813: Place Value and Decimals
How many tenths are there in 2.5?
27.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the decimal representation of the number \( 3 \frac{3}{4} \)?
28.
Praxis Mathematics CKT 7813: Place Value and Decimals
Convert 0.125 to a fraction.
29.
Praxis Mathematics CKT 7813: Place Value and Decimals
What is the decimal form of 7%?
30.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
If \( \frac{5}{8} \) of a number is 15, what is the number?
31.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
A recipe requires \( \frac{3}{4} \) cup of sugar. If the amount is increased by 50%, how much sugar is needed?
32.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is the product of \( \frac{2}{7} \) and \( \frac{5}{9} \)?
33.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What fraction lies exactly halfway between \( \frac{1}{3} \) and \( \frac{1}{2} \)?
34.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is \( \frac{7}{8} \) divided by \( \frac{5}{6} \)?
35.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
In a class of 30 students, \( \frac{2}{5} \) are wearing glasses. How many students are wearing glasses?
36.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is the sum of \( \frac{2}{3} \) and \( \frac{4}{5} \)?
37.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
If \( \frac{1}{x} = \frac{3}{4} \), what is the value of \( x \)?
38.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is \( \frac{2}{3} \) of \( \frac{3}{4} \)?
39.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
If \( \frac{3}{8} \) of a number is 9, what is three times the number?
40.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
If \( 3x = \frac{2}{5} \) and \( 2y = \frac{3}{4} \), what is \( \frac{x}{y} \)?
41.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
Which of the following is equivalent to \( \frac{3}{4} : \frac{5}{6} \)?
42.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
A number \( x \) is increased by \( \frac{1}{5} \) of its value. The new value is \( \frac{6}{5} \) of \( x \). What is the original number \( x \)?
43.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
If \( \frac{4}{x} = \frac{8}{12} \), what is the value of \( x \)?
44.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is the reciprocal of \( \frac{2}{7} \)?
45.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
A fraction is reduced to \( \frac{3}{4} \) when both the numerator and denominator are reduced by 6. What is the original fraction?
46.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
What is the result of subtracting \( \frac{1}{3} \) from the product of \( \frac{2}{5} \) and \( \frac{5}{8} \)?
47.
Praxis Mathematics CKT 7813: Fractions Operations with Fractions and Ratios
Which of the following is the greatest: \( \frac{3}{4}, \frac{5}{6}, \frac{7}{8}, \text{ or } \frac{9}{10} \)?