My Math Decimals

Fill in the blank: The ________ is a period separating the ones and the tenths in a decimal number.

• decimal point

• place-value chart

• standard form

• equivalent decimals

Decimals that have the same value are called

• equivalent decimals

• place value

• period

• decimal

Fill in the blank: A _________ is a chart that shows the value of the digits in a number.

• period

• place value

• expanded form

• place-value chart

The table shows the masses of four rocks. Which number sentence correctly compares the masses of two of the rocks?

• 0.429>0.438

• 0.438<0.483

• 0.429>0.43

• 0.438=0.43

Josie divided 57.42 by 6 and 5,742 by 6.   How are the two quotients alike?

• The quotients have the same digits, but the decimal points are in different places.

• The quotients are the same because the digits in the divisors and the dividends are the same.

• The quotients are alike because the first digit in both quotients is in the hundreds place.

• The quotients are alike because they are whole numbers.

Which group of decimals is ordered least to greatest?

• 5.6, 5.9, 5.09, 5.96, 5.139

• 0.112, 1.012, 1.3, 1.0099, 10.12

• 2.8, 2.109, 2.72, 2.1, 2.719

• 0.132, 0.23, 0.383, 0.3905, 0.392

Joshua compared the values of these decimals.

0.06 0.6 0.006 0.060

Which statement correctly compares two of these numbers?

• 0.6 < 0.06

• 0.006 > 0.6

• 0.6 = 0.06

• 0.060 = 0.06

Denise spent $3.45 on snacks every day for 11 days. What is the amount of money Denise spent on these snacks?

• $379.50

• $14.45

• $37.95

• $6.90

The hundredths model in the figure is shaded to represent the multiplying of two numbers.

• 80 x 40 = 3,200

• 0.08 x 0.04 = 0.32

• 0.80 x 0.40 = 0.32

• 0.08 x 0.04 = 0.032

Which comparison is not true?

• 4.2 < 4.35 < 4.4

• 5.0 < 5.05 < 5.005

• 6.0 < 6.001 < 6.01

• 8.003 < 8.04 < 8.2