Question 1

Add: ​ 925 + 519 ¯¯¯¯¯

Accepted Answer

A)  1,444 
B)  1,434 
C)  406 
D)  1,344 
E)  1,544 
A)  1,444 
B)  1,434 
C)  406 
D)  1,344 
E)  1,544

Question 2

Subtract: 232 - 21 . ​

Accepted Answer

A)  211 
B)  212 
C)  200 
D)  201 
E)  210 
A)  211 
B)  212 
C)  200 
D)  201 
E)  210

Question 3

Add: 7,940 4,008 + 2,622 ¯¯¯¯¯¯

Accepted Answer

A)  15,570 
B)  14,570 
C)  13,470 
D)  13,560 
E)  14,580 
A)  15,570 
B)  14,570 
C)  13,470 
D)  13,560 
E)  14,580

Question 4

A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 160 miles per hour into a headwind. What is the wind speed? ​

Accepted Answer

A)  30 miles per hour 
B)  35 miles per hour 
C)  160 miles per hour 
D)  60 miles per hour 
E)  25 miles per hour 
A)  30 miles per hour 
B)  35 miles per hour 
C)  160 miles per hour 
D)  60 miles per hour 
E)  25 miles per hour

Question 5

If d and y are relatively prime, then the LCM( d , y ) = ? ​

Accepted Answer

A)  2 d 
B)  2 dy 
C)  dy 
D)  d 
E)  y 
A)  2 d 
B)  2 dy 
C)  dy 
D)  d 
E)  y

Question 6

Find the least common multiple (LCM) of the numbers 12 , 16 . ​

Accepted Answer

A)  48 
B)  4 
C)  1 
D)  12 
E)  192 
A)  48 
B)  4 
C)  1 
D)  12 
E)  192

Question 7

Solve the following riddle. ​ I am thinking of a 4-digit number. The sum of the digits is 25. The largest digit is used twice but not side by side. The smallest digit is in the largest place. The smallest digit is 1/3 as large as the largest digit. ​

Accepted Answer

A)  4939 
B)  3994 
C)  3499 
D)  3939 
E)  3949 
A)  4939 
B)  3994 
C)  3499 
D)  3939 
E)  3949

Question 8

Solve the following riddle. ​ The number of digits is the same as the number in the hundreds place. The sum of the digits is 17. All the digits are different. The digits are in increasing order. ​

Accepted Answer

A)  467 
B)  458 
C)  386 
D)  368 
E)  358 
A)  467 
B)  458 
C)  386 
D)  368 
E)  358

Question 9

Subtract: 5773 - 121. ​

Accepted Answer

A)  5642 
B)  5663 
C)  5641 
D)  5652 
E)  5894 
A)  5642 
B)  5663 
C)  5641 
D)  5652 
E)  5894

Question 10

Add: 15,679 + 2,342 + 19 . ​

Accepted Answer

A)  18,140 
B)  18,040 
C)  18,050 
D)  17,930 
E)  18,030 
A)  18,140 
B)  18,040 
C)  18,050 
D)  17,930 
E)  18,030

Question 11

Two mechanical shafts are joined together at their ends. Together, their total length is   ft. If one shaft is   ft long, how long must the other shaft be? ​

Accepted Answer

A)    ft 
B)    ft 
C)    ft 
D)    ft 
E)    ft 
A)    ft 
B)    ft 
C)    ft 
D)    ft 
E)    ft

Question 12

Subtract. ​   ​

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 13

Determine the missing numbers that will complete the following addition problem. ​ 4_ _4 6 + 35 _ 6 = 1064 10 ​

Accepted Answer

A)  1 , 3 , and 4 
B)  0 , 4 , and 3 
C)  2 , 3 , and 5 
D)  1 , 4 , and 3 
E)  1 , 3 , and 5 
A)  1 , 3 , and 4 
B)  0 , 4 , and 3 
C)  2 , 3 , and 5 
D)  1 , 4 , and 3 
E)  1 , 3 , and 5

Question 14

Solve the following riddle. ​ I am thinking of a 4-digit number. The sum of the digits is 15. Starting from left, the third digit is double the first and the fourth is double the second. All the digits are different. ​

Accepted Answer

A)  2539 
B)  1428 
C)  1424 
D)  2482 
E)  1248 
A)  2539 
B)  1428 
C)  1424 
D)  2482 
E)  1248

Question 15

The GCF of two numbers m and n is 32 , their LCM is 64 , and both m and n are less than 79 . Find m and n. ​

Accepted Answer

A)  m = 32 and n = 64 
B)  m = 37 and n = 128 
C)  m = 32 and n = 128 
D)  m = 64 and n = 59 
E)  m = 64 and n = 64 
A)  m = 32 and n = 64 
B)  m = 37 and n = 128 
C)  m = 32 and n = 128 
D)  m = 64 and n = 59 
E)  m = 64 and n = 64

Question 16

Find the temperature after a rise of 10 ºС from - 11 ºС . ​

Accepted Answer

A)  21 ºС 
B)  -21 ºС 
C)  -20 ºС 
D)  -22 ºС 
E)  -1 ºС 
A)  21 ºС 
B)  -21 ºС 
C)  -20 ºС 
D)  -22 ºС 
E)  -1 ºС

Question 17

Finish the following addition problem, which has been done in expanded form. ​ 6 4 4 = 6 hundreds + 4 tens + 4 ones + 2 3 3 = 2 hundreds + 3 tens + 3 ones ​ ​

Accepted Answer

A)  857 = 8 hundreds + 5 tens + 7 ones 
B)  867 = 8 hundreds + 6 tens + 7 ones 
C)  877 = 8 hundreds + 7 tens + 7 ones 
D)  777 = 7 hundreds + 7 tens + 7 ones 
E)  876 = 8 hundreds + 7 tens + 6 ones 
A)  857 = 8 hundreds + 5 tens + 7 ones 
B)  867 = 8 hundreds + 6 tens + 7 ones 
C)  877 = 8 hundreds + 7 tens + 7 ones 
D)  777 = 7 hundreds + 7 tens + 7 ones 
E)  876 = 8 hundreds + 7 tens + 6 ones

Question 18

A temperature measurement from the Earth's stratosphere is taken as - 68 ° F . The temperature on the Earth's surface below is found to be 40 ° F . Find the difference between the surface temperature reading and the stratosphere temperature reading. ​

Accepted Answer

A)  108 ° F 
B)  -28 ° F 
C)  -29 ° F 
D)  29 ° F 
E)  28 °F 
A)  108 ° F 
B)  -28 ° F 
C)  -29 ° F 
D)  29 ° F 
E)  28 °F

Question 19

Add: ​ 27 + 36 ¯¯¯¯¯

Accepted Answer

A)  53 
B)  73 
C)  9 
D)  2,736 
E)  63 
A)  53 
B)  73 
C)  9 
D)  2,736 
E)  63

Question 20

Add: ​ 18,120 + 46,790 ¯¯¯¯¯¯ ¯

Accepted Answer

A)  28,670 
B)  63,810 
C)  65,910 
D)  64,910 
E)  64,810 
A)  28,670 
B)  63,810 
C)  65,910 
D)  64,910 
E)  64,810

Add: 925 + 519 ¯¯¯¯¯

Subtract: 232 - 21 .

Add: 7,940 4,008 + 2,622 ¯¯¯¯¯¯

A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 160 miles per hour into a headwind. What is the wind speed?

If d and y are relatively prime, then the LCM( d , y ) = ?

Find the least common multiple (LCM) of the numbers 12 , 16 .

Solve the following riddle. I am thinking of a 4-digit number. The sum of the digits is 25. The largest digit is used twice but not side by side. The smallest digit is in the largest place. The smallest digit is 1/3 as large as the largest digit.

Solve the following riddle. The number of digits is the same as the number in the hundreds place. The sum of the digits is 17. All the digits are different. The digits are in increasing order.

Subtract: 5773 - 121.

Add: 15,679 + 2,342 + 19 .

Two mechanical shafts are joined together at their ends. Together, their total length is ft. If one shaft is ft long, how long must the other shaft be?

Subtract.

Determine the missing numbers that will complete the following addition problem. 4_ _4 ₆ + 35 _ ₆ = 1064 ₁₀

Solve the following riddle. I am thinking of a 4-digit number. The sum of the digits is 15. Starting from left, the third digit is double the first and the fourth is double the second. All the digits are different.

The GCF of two numbers m and n is 32 , their LCM is 64 , and both m and n are less than 79 . Find m and n.

Find the temperature after a rise of 10 ºС from - 11 ºС .

Finish the following addition problem, which has been done in expanded form. 6 4 4 = 6 hundreds + 4 tens + 4 ones + 2 3 3 = 2 hundreds + 3 tens + 3 ones

A temperature measurement from the Earth's stratosphere is taken as - 68 ° F . The temperature on the Earth's surface below is found to be 40 ° F . Find the difference between the surface temperature reading and the stratosphere temperature reading.

Add: 27 + 36 ¯¯¯¯¯

Add: 18,120 + 46,790 ¯¯¯¯¯¯ ¯

Foundations for Learning Mathematics

The Number System

Understanding Multiplication and Division

Proportional Reasoning

Algebraic Thinking

Understanding Statistics and Probability

Geometry As Shape

Geometry As Measurement

Geometry As Transforming Shapes

Filters

Exam 3: Understanding Addition and Subtraction

Add: ​ 925 + 519 ¯¯¯¯¯

Subtract: 232 - 21 . ​

Add: 7,940 4,008 + 2,622 ¯¯¯¯¯¯

A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 160 miles per hour into a headwind. What is the wind speed? ​

If d and y are relatively prime, then the LCM( d , y ) = ? ​

Find the least common multiple (LCM) of the numbers 12 , 16 . ​

Solve the following riddle. ​ I am thinking of a 4-digit number. The sum of the digits is 25. The largest digit is used twice but not side by side. The smallest digit is in the largest place. The smallest digit is 1/3 as large as the largest digit. ​

Solve the following riddle. ​ The number of digits is the same as the number in the hundreds place. The sum of the digits is 17. All the digits are different. The digits are in increasing order. ​

Subtract: 5773 - 121. ​

Add: 15,679 + 2,342 + 19 . ​

Two mechanical shafts are joined together at their ends. Together, their total length is ft. If one shaft is ft long, how long must the other shaft be? ​

Subtract. ​ ​

Determine the missing numbers that will complete the following addition problem. ​ 4_ _4 6 + 35 _ 6 = 1064 10 ​

Solve the following riddle. ​ I am thinking of a 4-digit number. The sum of the digits is 15. Starting from left, the third digit is double the first and the fourth is double the second. All the digits are different. ​

The GCF of two numbers m and n is 32 , their LCM is 64 , and both m and n are less than 79 . Find m and n. ​

Find the temperature after a rise of 10 ºС from - 11 ºС . ​

Finish the following addition problem, which has been done in expanded form. ​ 6 4 4 = 6 hundreds + 4 tens + 4 ones + 2 3 3 = 2 hundreds + 3 tens + 3 ones ​ ​

A temperature measurement from the Earth's stratosphere is taken as - 68 ° F . The temperature on the Earth's surface below is found to be 40 ° F . Find the difference between the surface temperature reading and the stratosphere temperature reading. ​

Add: ​ 27 + 36 ¯¯¯¯¯

Add: ​ 18,120 + 46,790 ¯¯¯¯¯¯ ¯

Foundations for Learning Mathematics

The Number System

Understanding Multiplication and Division

Proportional Reasoning

Algebraic Thinking

Understanding Statistics and Probability

Geometry As Shape

Geometry As Measurement

Geometry As Transforming Shapes

Filters

Add: 925 + 519 ¯¯¯¯¯

Subtract: 232 - 21 .

A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 160 miles per hour into a headwind. What is the wind speed?

If d and y are relatively prime, then the LCM( d , y ) = ?

Find the least common multiple (LCM) of the numbers 12 , 16 .

Solve the following riddle. I am thinking of a 4-digit number. The sum of the digits is 25. The largest digit is used twice but not side by side. The smallest digit is in the largest place. The smallest digit is 1/3 as large as the largest digit.

Solve the following riddle. The number of digits is the same as the number in the hundreds place. The sum of the digits is 17. All the digits are different. The digits are in increasing order.

Subtract: 5773 - 121.

Add: 15,679 + 2,342 + 19 .

Two mechanical shafts are joined together at their ends. Together, their total length is ft. If one shaft is ft long, how long must the other shaft be?

Subtract.

Determine the missing numbers that will complete the following addition problem. 4_ _4 ₆ + 35 _ ₆ = 1064 ₁₀

Solve the following riddle. I am thinking of a 4-digit number. The sum of the digits is 15. Starting from left, the third digit is double the first and the fourth is double the second. All the digits are different.

The GCF of two numbers m and n is 32 , their LCM is 64 , and both m and n are less than 79 . Find m and n.

Find the temperature after a rise of 10 ºС from - 11 ºС .

Finish the following addition problem, which has been done in expanded form. 6 4 4 = 6 hundreds + 4 tens + 4 ones + 2 3 3 = 2 hundreds + 3 tens + 3 ones

A temperature measurement from the Earth's stratosphere is taken as - 68 ° F . The temperature on the Earth's surface below is found to be 40 ° F . Find the difference between the surface temperature reading and the stratosphere temperature reading.

Add: 27 + 36 ¯¯¯¯¯

Add: 18,120 + 46,790 ¯¯¯¯¯¯ ¯