Lesson 1-5 Review

Examine the values shown. The number 5 is underlined in both values.

15.67

21.57

How many times larger is the 5 in the first number compared to the 5 in the second number?

• 10 times

• 100 times

Which statement correctly compares the digit 5 in the numbers 89.059 and 78.365?

• The 5 in 89.059 is 10 times the value of the 5 in 78.365

• The 5 in 89.059 is 100 times the value of the 5 in 78.365

Mrs. Carol's class collected 9,782 pounds of newspaper to recycle. Mr. Martinez's class collected 8,978 pounds of newspaper. Which statement describes that 7 in those numbers?

• the 7 in 8,978 is worth 1/10 the value of the 7 in 9,782

• the 7 in 8,978 is worth 10 times as much as the 7 in 9,782.

• the 7 in 8,978 is worth 1/100 the value of the 7 in 9,782

• the 7 in 8,978 is worth 100 times as much as the the 7 in 9,782

In the number 5,334.98, the 3 in the tens place is ___ the value of the 3 in the hundreds place.

• 10 Times

• 100 Times

• 1/10 Of

• 1/100 Of

In the number 57.97, the 7 in the ones place is ___ the value of the 7 in the hundredths place.

• 10 Times

• 100 Times

• 1/10 Of

• 1/100 Of

• 5

• 0.5

• 50

• 500

• 3,500

• 3.5

• .35

• .0035

Jim's calculator showed 3.7 x 10³ as the answer to his problem. Which is equivalent to 3.7 x 10³?

• 0.037

• 0.37

• 370

• 3,700

The distance from John's house to his grandmother's house is 10³ times shorter than the circumference of Earth. Earth's circumference is 24,902.55 miles. What is the distance from John's house to his grandmother's house?

• 24.90 miles

• 83.01 miles

• 249.02 miles

• 830.05 miles

In which number does the digit 8 have a value that is 1,000 times greater than the digit 8 in the number 349,257.83?

• 291.308

• 6,815.4

• 18,390.65

• 906,784.51