Question 1

Estimate the sum or difference by first rounding to the nearest ten.
-

Accepted Answer

A)  4072 
B)  4100 
C)  4080 
D)  4070

Question 2

Evaluate.
-$10^{2}$

Accepted Answer

A)  1024 
B)  121 
C)  20 
D)  100

Question 3

Subtract.
-

Accepted Answer

A)  45,664 
B)  46,664 
C)  45,660 
D)  45,640

Question 4

Add.
-

Accepted Answer

A)  14,153 
B)  14,263 
C)  13,253 
D)  13,163

Question 5

Solve the problem.
-Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 5 boxes of matches. How many matches are in each carton?

Accepted Answer

A)  60 matches per carton 
B)  24 matches per carton 
C)  125 matches per carton 
D)  600 matches per carton

Question 6

Simplify.
-$(14 - 12)^{2}+(5+3)^{2}$

Accepted Answer

A)  38 
B)  100 
C)  68 
D)  86

Question 7

Add.
-

Accepted Answer

A)  31,979 
B)  39,108 
C)  32,089 
D)  32,079

Question 8

Find the LCM of the set of numbers.
-12,35

Accepted Answer

A)  840 
B)  630 
C)  210 
D)  420

Question 9

Subtract.
-

Accepted Answer

A)  810 
B)  298 
C)  304 
D)  204

Question 10

Fill in the digits for the given place values in the following whole number.
-$1,553,879$
Millions_
Thousands_

Accepted Answer

A)  Millions 1, thousands 5 
B)  Millions 5, thousands 3 
C)  Millions 8, thousands 7 
D)  Millions 1, thousands 3

Question 11

Solve the problem.
-A map has a scale of 4 miles to the inch. How far apart in reality are two cities that are 20 inches apart on the map? How far apart on the map are two cities that, in reality, are 20 miles apart?

Accepted Answer

A)  80 miles; 5 inches 
B)  5 miles; 80 inches 
C)  5 miles; 5 inches 
D)  80 miles; 80 inches

Question 12

Simplify.
-$8(9-3 \cdot 2)^{2} \div(2 \cdot 4)$

Accepted Answer

A)  144 
B)  3 
C)  12 
D)  9

Question 13

Add.
-

Accepted Answer

A)  $45,236,756$ 
B)  $45,106,756$ 
C)  $49,647,013$ 
D)  $45,094,626$

Question 14

Divide.
-

Accepted Answer

A)  1646 
B)  $1656 \mathrm{R} 41$ 
C)  1636 
D)  $1651 \mathrm{R} 33$

Question 15

Find the prime factorization of the number.
-26

Accepted Answer

A)  $2 \cdot 2 \cdot 2$ 
B)  $2 \cdot 2 \cdot 5$ 
C)  $2 \cdot 14$ 
D)  $2 \cdot 13$

Question 16

Estimate by rounding as indicated.
-There are 27,878,400 square feet in one square mile. How many square feet are there in 33 square miles? Estimate by rounding the number of square feet in one square mile to the nearest ten million and the number of square miles to the nearest ten. Also find the exact answer.

Accepted Answer

A)  Estimate: $840,000,000 \mathrm{sq} \mathrm{ft}$; exact: $919,974,000 \mathrm{sq} \mathrm{ft}$ 
B)  Estimate: 900,000,000 sq ft; exact: 919,987,200 sq ft 
C)  Estimate: 840,000,000 sq ft; exact: 919,987,200 sq ft 
D)  Estimate: 900,000,000 sq ft; exact: 919,974,000 sq ft

Question 17

Determine if the second number is a factor of the first number.
-$780 ; 40$

Accepted Answer

A) True 
 B)False

Question 18

Subtract.
-

Accepted Answer

A)  1484 
B)  1524 
C)  6534 
D)  1534

Question 19

Simplify.
-$10^{2} - 4 \cdot 7$

Accepted Answer

A)  420 
B)  252 
C)  672 
D)  72

Question 20

Use  for $\square$ to write a true sentence. D raw a number line if necessary.
-$44 \square 46$

Accepted Answer

A)

Exam 1: Whole Numbers

Estimate the sum or difference by first rounding to the nearest ten. -

Evaluate. - $10^{2}$

Subtract. -

Add. -

Solve the problem. -Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 5 boxes of matches. How many matches are in each carton?

Simplify. - $(14 - 12) ^{2}+(5+3) ^{2}$

Add. -

Find the LCM of the set of numbers. -12,35

Subtract. -

Fill in the digits for the given place values in the following whole number. - $1,553,879$ Millions_ Thousands_

Solve the problem. -A map has a scale of 4 miles to the inch. How far apart in reality are two cities that are 20 inches apart on the map? How far apart on the map are two cities that, in reality, are 20 miles apart?

Simplify. - $8(9-3 \cdot 2) ^{2} \div(2 \cdot 4)$

Add. -

Divide. - $Divide. - A) 1646 B) 1656 \mathrm{R} 41 C) 1636 D) 1651 \mathrm{R} 33$

Find the prime factorization of the number. -26

Determine if the second number is a factor of the first number. - $780 ; 40$

Subtract. -

Simplify. - $10^{2} - 4 \cdot 7$

Use < or > for $\square$ to write a true sentence. D raw a number line if necessary. - $44 \square 46$

Exam 1: Whole Numbers

Estimate the sum or difference by first rounding to the nearest ten. -

Evaluate. - 10210^{2}102

Subtract. -

Add. -

Solve the problem. -Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 5 boxes of matches. How many matches are in each carton?

Simplify. - (14−12) 2+(5+3) 2(14 - 12) ^{2}+(5+3) ^{2}(14−12) 2+(5+3) 2

Add. -

Find the LCM of the set of numbers. -12,35

Subtract. -

Fill in the digits for the given place values in the following whole number. - 1,553,8791,553,8791,553,879 Millions_ Thousands_

Solve the problem. -A map has a scale of 4 miles to the inch. How far apart in reality are two cities that are 20 inches apart on the map? How far apart on the map are two cities that, in reality, are 20 miles apart?

Simplify. - 8(9−3⋅2) 2÷(2⋅4) 8(9-3 \cdot 2) ^{2} \div(2 \cdot 4) 8(9−3⋅2) 2÷(2⋅4)

Add. -

Divide. -

Find the prime factorization of the number. -26

Determine if the second number is a factor of the first number. - 780;40780 ; 40780;40

Subtract. -

Simplify. - 102−4⋅710^{2} - 4 \cdot 7102−4⋅7

Use < or > for □\square□ to write a true sentence. D raw a number line if necessary. - 44□4644 \square 4644□46

Evaluate. - $10^{2}$

Simplify. - $(14 - 12) ^{2}+(5+3) ^{2}$

Fill in the digits for the given place values in the following whole number. - $1,553,879$ Millions_ Thousands_

Simplify. - $8(9-3 \cdot 2) ^{2} \div(2 \cdot 4)$

Divide. - $Divide. - A) 1646 B) 1656 \mathrm{R} 41 C) 1636 D) 1651 \mathrm{R} 33$

Determine if the second number is a factor of the first number. - $780 ; 40$

Simplify. - $10^{2} - 4 \cdot 7$

Use < or > for $\square$ to write a true sentence. D raw a number line if necessary. - $44 \square 46$