QUIZ ON ROUNDING OFF NUMBERS

INSTRUCTIONS: Round off the following numbers to the number of decimal places indicated in the column on the right. Enter your answers in the Worksheet provided. Then, check your answers using the Answer Checking Table below.

PROBLEMNUMBERNumber of decimal
places desired
A2.19881
B5.73222
C0.35522
D4.099974
E9.9995173
F6.86522
G19.47453
H2.75001

WORK SHEET

Enter your number to be rounded off here :-

Enter the final number of decimal places desired here :-

Enter the last figure to be kept here :-

Enter the first figure to be dropped here :-

Is the first figure to be dropped
less than 5? greater than 5? equal to 5?

If the first figure to be dropped is equal to 5, are there any numbers other than 0 after the 5?
yes no

If the answer to the above question is "no", is the last figure to be kept
even? odd?

As a result of all of the above, does the last figure to be kept
stay the same? increase by 1?

Enter your final answer (the rounded off number) here :-


ANSWER CHECKING TABLE

To find out the correct answer to your problem, enter the letter of your problem (a letter from A through H) :-

Click on the 'RIGHT ANSWER' button to see whether your answer is right or wrong!

If the 'pop-up' box says the answer is undefined, click the 'HELP ME!' button!

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© 2002
DAVID J. LEVESON