Rounding Off and Renaming Decimals - 2nd Q

When you round off a number, you are finding a number close to the exact number.

• TRUE

• FALSE

To change decimals to fractions, write the decimal number as the numerator of the fraction.

• TRUE

• FALSE

If the digit on the right of the number being rounded off is greater than or equal to 5, retain the digit as it is.

• TRUE

• FALSE

In changing decimals to fractions, the denominator is always 10.

• TRUE

• FALSE

To change fractions to decimals, divide the denominator by the numerator.

• TRUE

• FALSE

What is 128.674 when rounded to the nearest tenths?

• A 128.6

• B 128.65

• C 128.7

• D 128.8

When 3.1416 became 3.14, it was rounded off to the nearest _________.

• tenths

• hundredths

• thousandths

Into what place value was 45.9832 has been rounded off when it became 46.

• tenths

• hundredths

• thousandths

Digit _________ in 17.846593 will retain when rounded off to the nearest tenths.

• 6

• 7

• 8

• 9

9.9783 becomes _________ when rounded off to the nearest tenths.

• 9.9

• 10

• 10.0