G5 Decimals Quiz

Round 0.456 to the nearest hundredth =

Answer explanation

Round 0.456 to the nearest hundredth, the correct choice is 0.46.

What is 0.12 x 0.5?

Answer explanation

0.12 has two digits after the decimal point

and

0.5 has one digit after the decimal point

The product of 0.12 and 0.5 is 0.060. This is the correct choice because there are three digits to the right of the decimal point in the answer.

This can also be written as 0.06

How many times can you divide 1 by 0.1?

Answer explanation

You can divide 1 by 0.1 ten times. The correct choice is 10.

What is the product when you multiply 0.05 by 100?

What is the quotient when you divide 0.92 by 0.3 and round the answer to the nearest tenth?

Answer explanation

0.92 ÷ 0.3 = 3.06
3.06 rounded to nearest tenth = 3.1

Round 0.987 to the nearest whole number.

Answer explanation

First look at the target digit you need to round
Next look at the digit to the right
If that number is 5 or more the target digit bigger by adding one.

Which of the following is the word form of 3.14?

• Three and fourteen hundredths

• Three and one four

• Three and fourteen tenths

• Three point fourteen thousandths

Answer explanation

The word form of 3.14 is 'Three and fourteen hundredths'. It represents the number three (WHOLE NUMBERS) with the decimal point (AND) followed by the one (TENTH) and four (HUNDREDTHS). So 1 tenth and 4 hundredths is 14 hundredths.

Which of the following is the expanded form of 12.34?

• 1x10 + 2x1 + 3x⅒₀ + 4x0.1

• 1x10 + 2x1 + 3x⅒ + 4x⅒₀

• 12+0.3+0.04

• None of the these

Answer explanation

The expanded form of 12.34 is

1x10 + 2x1 + 3x⅒ + 4x⅒₀.

This choice correctly represents the value of each digit in the number.

Which of the following is the word form of 9,876,543.21?

• Nine million, eight hundred seventy-six thousand, five hundred forty-three and twenty-one hundredths

• Nine million, eight hundred seventy-six thousand, five hundred forty-three point two one

• Nine million, eight hundred seventy-six thousand, five hundred forty-three and twenty-one tenths

• Nine million, eight hundred seventy-six thousand, five hundred forty-three point twenty-one

Answer explanation

The word form of 9,876,543.21 is 'Nine million, eight hundred seventy-six thousand, five hundred forty-three and twenty-one hundredths'. This choice correctly represents the given number.

0.008 is 1/10 of?

Answer explanation

0.008 is 1/10 of 0.08. The correct choice is 0.08
Because 0.008 ÷ 0.1 =

8 ÷ 100 =

0.08