Addition and Subtraction of Whole Numbers

Which of the following numbers should be written in one word?

• 14       

• 20

• 39

• both A and B

How is two hundred nine thousand, twenty written in numerical form?

• 209,200

• 209,020

• 209,002

• 209,000

Which of the following numbers has 8 with a value of 80,000?

• 172,685          

• 238,714          

• 482,736

• 830,090

What will be the result if 89,142 is rounded off to the nearest hundreds?

• 89,100

• 89,050

• 89,040

• 830,090

How do we write 14,024 in words?

• fourteen thousand, twenty-four

• fourteen thousand and twenty four    

• fourteen thousand, twenty four

• fourteen thousand and twenty-four

In the equation 4,721 – 3,896 = 825, how do we call 3,896?

• difference       

• minuend         

• subtrahend     

• sum

 Which of the following exhibits Commutative Property of Addition?

• 9 = 4 + 5

• 3 + 5 = 5 + 3

• (4 + 2) + 3 = 6 + 3

• (3 + 1) + 2 = 3 + (1 + 2)

Given the equation 19 + 30 = 49, what are 19 and 30?

• addends

• difference       

• factors

• total

What does Identity Property of Addition mean?

• The sum of any number and zero is the original number.

• The sum of any number and one is the original number.

• The difference of any number and one is the original number.

• The difference of any number and zero is always one.

Given 97 – 15 = 82, which of the following is correct?

• difference = 97, subtrahend = 15, minuend = 82

• difference = 97, minuend = 15, subtrahend = 82

• minuend = 97, subtrahend = 15, difference = 82       

• subtrahend = 97, minuend = 15, difference = 82