Question 1

Multiply.
-$120 \cdot 80$

Accepted Answer

A)  9600 
B)  9596 
C)  9590 
D)  9610 
A)  9600 
B)  9596 
C)  9590 
D)  9610

Question 2

Simplify.
-$(70-19) \times[(80+10 \div 5)-(6 \cdot 6-5 \cdot 5)]$

Accepted Answer

A)  3585 
B)  3678 
C)  3621 
D)  3721 
A)  3585 
B)  3678 
C)  3621 
D)  3721

Question 3

Estimate the sum or difference by first rounding as indicated.
-Estimate by first rounding to the nearest hundred.

Accepted Answer

A)  8000 
B)  7700 
C)  7600 
D)  7623 
A)  8000 
B)  7700 
C)  7600 
D)  7623

Question 4

Determine whether the number is divisible by $2,3,4,5,6,8,9$, and/or 10 .
-2542

Accepted Answer

A)  2 
B)  2,3, 4 
C)  4 
D)  3,4 
A)  2 
B)  2,3, 4 
C)  4 
D)  3,4

Question 5

Estimate by rounding as indicated.
-An appliance store sells 66 refrigerators a week. Estimate the total amount of money the store makes in a week if each refrigerator costs $917. Round the number of refrigerators to the nearest ten and the cost to the nearest hundred.

Accepted Answer

A)  $\$ 63,000$ 
B)  $\$ 70,000$ 
C)  $\$ 60,000$ 
D)  $\$ 54,000$ 
A)  $\$ 63,000$ 
B)  $\$ 70,000$ 
C)  $\$ 60,000$ 
D)  $\$ 54,000$

Question 6

Find the area of the region.
-

Accepted Answer

A)  $512$ sq yd 
B)  $256$ sq yd 
C)  $251$ sq yd 
D)  $64$ sq yd 
A)  $512$ sq yd 
B)  $256$ sq yd 
C)  $251$ sq yd 
D)  $64$ sq yd

Question 7

Find the LCM of the set of numbers.
-$27,42,24,56$

Accepted Answer

A)  3024 
B)  1512 
C)  1296 
D)  4536 
A)  3024 
B)  1512 
C)  1296 
D)  4536

Question 8

Divide.
-$1,830,000 \div 1000$

Accepted Answer

A)  183,000 
B)  183 
C)  $1.83 \mathrm{e}+09$ 
D)  1830 
A)  183,000 
B)  183 
C)  $1.83 \mathrm{e}+09$ 
D)  1830

Question 9

Write a word name for the number in the sentence.
-The control center was suddenly unable to track the satellite when it reached a distance of 128,615 miles from the earth's surface.

Accepted Answer

A)  Six hundred fifteen thousand, one hundred twenty- eight 
B)  One hundred twenty thousand, eighty- six hundred, fifteen 
C)  One hundred twenty- eight thousand, six hundred fifteen 
D)  One hundred twenty- eight million, six hundred fifteen 
A)  Six hundred fifteen thousand, one hundred twenty- eight 
B)  One hundred twenty thousand, eighty- six hundred, fifteen 
C)  One hundred twenty- eight thousand, six hundred fifteen 
D)  One hundred twenty- eight million, six hundred fifteen

Question 10

Simplify.
-$[20-(4+6) \div 2]-[1+12 \div 3]$

Accepted Answer

A)  17 
B)  10 
C)  7 
D)  5 
A)  17 
B)  10 
C)  7 
D)  5

Question 11

Write the word or phrase that best completes each statement or answers the question.
-The expression $(3+5) \div 2$ contains parentheses. Are they necessary? Explain.

Accepted Answer

A) True 
 B)False

Question 12

Round to the nearest thousand.
-11,254

Accepted Answer

A)  12,000 
B)  11,000 
C)  11,100 
D)  21,000 
A)  12,000 
B)  11,000 
C)  11,100 
D)  21,000

Question 13

Answer the question.
-What does the digit 2 mean in the number 189,247?

Accepted Answer

A)  2 thousands 
B)  2 hundreds 
C)  2 hundred thousands 
D)  2 tens 
A)  2 thousands 
B)  2 hundreds 
C)  2 hundred thousands 
D)  2 tens

Question 14

Multiply by 1, 2, 3, and so on, to find ten multiples of the number.
-23

Accepted Answer

A)  $23,46,69,92,115,138,161,184,207,230$ 
B)  $23,33,43,53,63,73,83,93,103,113$ 
C)  $23,24,25,26,27,28,29,30,31,32$ 
D)  $23,25,28,32,37,43,50,58,67,77$ 
A)  $23,46,69,92,115,138,161,184,207,230$ 
B)  $23,33,43,53,63,73,83,93,103,113$ 
C)  $23,24,25,26,27,28,29,30,31,32$ 
D)  $23,25,28,32,37,43,50,58,67,77$

Question 15

Use the given table or graph to write the inequality described.
-The sales figures for the Big "D" Company area shown below in a line plot.  
Use an inequality to compare the sales for January 1990 and December 1990.

Accepted Answer

A)  $\$ 48,000\$ 60,000$ 
C)  $\$ 50,000>\$ 48,000$ 
D)  $\$ 70,000>\$ 66,000$ 
A)  $\$ 48,000\$ 60,000$ 
C)  $\$ 50,000>\$ 48,000$ 
D)  $\$ 70,000>\$ 66,000$

Question 16

Write the word or phrase that best completes each statement or answers the question.
-You go to the bank to cash three checks. The checks are for $42.56, $157.20, and $70.44. You are given $227.64 by the teller. Estimate to see if the amount given you seems to be correct. Does $227.64 seem to be correct?Explain your answer.

Accepted Answer

No; When the value o

Question 17

Answer the question.
-What does the digit 7 mean in the number 189,247?

Accepted Answer

A)  7 ones 
B)  7 thousands 
C)  7 hundreds 
D)  7 tens 
A)  7 ones 
B)  7 thousands 
C)  7 hundreds 
D)  7 tens

Question 18

Simplify.
-$2^{15} \div 2^{8} \cdot 2^{3} \div 2^{4}$

Accepted Answer

A)  2048 
B)  1 
C)  256 
D)  64 
A)  2048 
B)  1 
C)  256 
D)  64

Question 19

Multiply.
-

Accepted Answer

A)  90 
B)  110 
C)  80 
D)  100 
A)  90 
B)  110 
C)  80 
D)  100

Question 20

Use  for $\square$ to write a true sentence. D raw a number line if necessary.
-$21 \square 0$

Accepted Answer

A) $>$ B) $<$ A) $>$ B) $<$

Multiply. - $120 \cdot 80$

Simplify. - $(70-19) \times[(80+10 \div 5)-(6 \cdot 6-5 \cdot 5)]$

Estimate the sum or difference by first rounding as indicated. -Estimate by first rounding to the nearest hundred.

Determine whether the number is divisible by $2,3,4,5,6,8,9$ , and/or 10 . -2542

Estimate by rounding as indicated. -An appliance store sells 66 refrigerators a week. Estimate the total amount of money the store makes in a week if each refrigerator costs $917. Round the number of refrigerators to the nearest ten and the cost to the nearest hundred.

Find the area of the region. -

Find the LCM of the set of numbers. - $27,42,24,56$

Divide. - $1,830,000 \div 1000$

Write a word name for the number in the sentence. -The control center was suddenly unable to track the satellite when it reached a distance of 128,615 miles from the earth's surface.

Simplify. - $[20-(4+6) \div 2]-[1+12 \div 3]$

Write the word or phrase that best completes each statement or answers the question. -The expression $(3+5) \div 2$ contains parentheses. Are they necessary? Explain.

Round to the nearest thousand. -11,254

Answer the question. -What does the digit 2 mean in the number 189,247?

Multiply by 1, 2, 3, and so on, to find ten multiples of the number. -23

Use the given table or graph to write the inequality described. -The sales figures for the Big "D" Company area shown below in a line plot. Use an inequality to compare the sales for January 1990 and December 1990.

Answer the question. -What does the digit 7 mean in the number 189,247?

Simplify. - $2^{15} \div 2^{8} \cdot 2^{3} \div 2^{4}$

Multiply. -

Use < or > for $\square$ to write a true sentence. D raw a number line if necessary. - $21 \square 0$

Fraction Notation

Decimal Notation

Percent Notation

Data, Graphs, and Statistics

Geometry

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

Radical Expressions and Equations

Quadratic Equations

Converting Units of Measurement

Filters

Exam 1: Whole Numbers

Multiply. - 120⋅80120 \cdot 80120⋅80

Simplify. - (70−19)×[(80+10÷5)−(6⋅6−5⋅5)](70-19) \times[(80+10 \div 5)-(6 \cdot 6-5 \cdot 5)](70−19)×[(80+10÷5)−(6⋅6−5⋅5)]