Unit 6 Decimal PREtest (5th)

Which shows the numbers in order from least to greatest?

• 0.53, 0.55, 3.55, 5.35

• 0.53, 0.55, 5.35, 3.55

• 0.55, 0.53, 3.55, 5.35

• 5.35, 3.55, 0.55, 0.53

Which of these is a correct explanation for the difference of 5.2 − 0.95?

• 5.2 is 52 tenths and 0.95 is 95 hundredths. 95 − 52 = 43. The difference of 5.2 − 0.95 is 43 tenths, or 4.3.

• 5.2 is 520 tenths and 0.95 is 95 tenths. 520 − 95 = 425. The difference of 5.2 − 0.95 is 425 tenths, or 4.25.

• 5.2 is 52 hundredths and 0.95 is 95 hundredths. 95 − 52 = 43. The difference of 5.2 − 0.95 is 43 hundredths, or 0.43.

• 5.2 is 520 hundredths and 0.95 is 95 hundredths. 520 − 95 = 425. The difference of 5.2 − 0.95 is 425 hundredths, or 4.25.

How much will the boys spend on dinner?

• $20.71

• $23.90

• $26.00

• $41.50

Which statement explains the comparison 18.209 > 18.21?

• The comparison is correct, because the whole number digits are equal and 209 is greater than 21.

• The comparison is incorrect, because the number with the least numbers to the right of the decimal has the greater value.

• The comparison is correct, because 18.209 has three numbers to the right of the decimal and 18.21 only has two numbers to the right of the decimal.

• The comparison is incorrect, because the numbers are compared using the digits in the hundredths place since the whole number digits are equal, and the tenths place digits are equal.

Which number line shows two decimal numbers that both round to 4.7 when rounded to the nearest tenth?

• 4.63 and 4.68

• 4.67 and 4.72

• 4.70 and 4.75

• 4.74 and 4.79

Which expression is TRUE?

• 0.15 > 0.145

• 0.254 > 0.42

• 0.450 > 0.45

• 0.052 > 0.402

Use the model to help solve the problem. Which equation BEST describes the model?

• 1.0 – 0.2 = □

• 2.0 – 1.8 = □

• 2.0 – 0.2 = □

• 2.0 – 0.8 = □

Which of these shows how to find 2.8 - 0.03?

• Option A

• Option B

• Option C

• Option D

Christina grew so much over the summer that she needed a new wardrobe for school. She picked out $175.28 worth of clothing from the store. If she paid with 2 one hundred dollar bills, how much change should she receive?

• $24.72

• $75.28

• $135.82

• $375.28

What is 824.931 in expanded form?

• 8 x 1000 + 2 x 100 + 4 x 10 + 9 x 1 + 3 x (1/10) + 1 x (1/100)

• 8 x 100 + 2 x 10 + 4 x 1 + 9 x (1/10) + 3 x (1/100) + 1 x (1/1000)

• 8 x (1/100) + 2 x (1/10) + 4 x 1 + 9 x 10 + 3 x 100 + 1 x 1000

• 8 x (1/100) + 2 x (1/10) + 4 x 1 + 9 x 10 + 3 x 100 + 1 x 1000