Question 1

Round $$47,852 to $$the nearest thousand.

Accepted Answer

$$48,000$$

Question 2

Evaluate: $$18+2\cdot9-42\div5$$

Accepted Answer

Question 3

Evaluate the expression $$3x+4y$$ when $$x=5$$ and $$y=2.$$

Accepted Answer

$$23$$

Question 4

What is the value of $$|-15|-|7|+|-3|$$?

Accepted Answer

$$11$$

Question 5

Simplify: $$-14+-8--12$$

Accepted Answer

$$-10$$

Question 6

Evaluate: $$-3\cdot-4-24\div-6$$

Accepted Answer

$$12-4=8$$

Question 7

Evaluate $$a^2-b$ when a=-4$ and b=9$.

Accepted Answer

$$7$$

Question 8

Which of the following best describes the absolute value of a number $$x$$?

Accepted Answer

The distance from $$x to $$zero on the number line, always non-negative.

Question 9

A hospital records the number of patients each day as $$12,345. If $$the hospital wants to report this number rounded to the nearest hundred, what should they report?

Accepted Answer

$$12,400$$

Question 10

Which operation should be performed first in the expression $$5+2\$$cdot(3^2$$-1)$$ according to the order of operations?

Accepted Answer

Exponentiation: $$3^2$$

Question 11

A chemist mixes two solutions. The temperature change is $$-8$$ degrees and then $$+12$$ degrees. What is the final temperature change?

Accepted Answer

$$4$$ degrees

Question 12

Which of the following is the correct result for $$6--3$$?

Accepted Answer

$$9$$

Question 13

A student calculates $$-5\cdot-7. $$What is the result and why?

Accepted Answer

$$35$$, because multiplying two negatives gives a positive.

Question 14

Evaluate $$2+3\$$cdot4^2$$.

Accepted Answer

$$50$$

Question 15

A business lost $$-20$$ dollars and then gained $$-15$$ dollars. What is the total change?

Accepted Answer

$$-35$$ dollars

Question 16

Which of the following is equivalent to $$a-b$$?

Accepted Answer

$$a+-b$$

Question 17

If $$x=-6$$ and $$y=3$$, what is the value of $$|x|+y$$?

Accepted Answer

$$9$$

Question 18

A patient’s temperature dropped by $$-4$$ degrees and then by $$-7$$ degrees. What is the total change?

Accepted Answer

$$-11$$ degrees

Question 19

Which of the following is true about division of integers?

Accepted Answer

Dividing two integers with the same sign yields a positive result.

Question 20

Evaluate $$-8+5\cdot2.$$

Accepted Answer

$$2$$

Prealgebra & Algebra Study Guide: Whole Numbers and Integers

Study Guide - Practice Questions

Study Guide - Flashcards