Decimal and Fraction Quiz

Compare the decimals 0.625 and 0.529 using the appropriate symbol:

• 0.625 > 0.529

• 0.625 < 0.529

• 0.625 = 0.529

Round the decimal 3.789 to the nearest tenth:

• 3.7

• 3.8

• 3.9

Explain how the number of zeros in the product changes when you multiply 450 by powers of 10:

• Increases by one

• Decreases by one

• Stays the same

Write the decimal 6.427 in expanded form using base-ten numerals:

• 6 × 1 + 4 × 0.1 + 2 × 0.01 + 7 × 0.001

• 6 × 10 + 4 × 1 + 2 × 0.1 + 7 × 0.01

• 6 × 100 + 4 × 10 + 2 × 1 + 7 × 0.1

Add the decimals 2.53 and 4.789:

• 7.319

• 7.513

• 6.245

Subtract 0.326 from 1.45:

• 1.124

• 1.776

• 0.974

Round the decimal 7.892 to the nearest whole number:

• 7

• 8

• 9

Read the decimal 9.734 in number names:

• Nine and seven hundred thirty-four thousandths

• Ninety-seven and thirty-four tenths

• Nine thousand seven hundred thirty-four

Multiply 6.2 by 100 and explain the pattern in the result:

• 620; The number gets two places to the left.

• 0.062; The decimal point moves two places to the right.

• 62; The number remains the same.

Write the decimal 0.047 in expanded form:

• 4 × 0.01 + 7 × 0.001

• 0.04 + 0.007

• 4 × 0.1 + 7 × 0.01