Praxis CKT Math Place Value and Base Ten Quiz

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2. Multiply 8.5 by 10. What is the result?

0.85

8.5

85

850

3. What is the relationship between 3,000 and 300?

3,000 is 10 times 300

3,000 is 100 times 300

300 is 10 times 3,000

They are equal

4. Write 0.006 as a fraction with a power of 10 denominator.

6/10

6/100

6/1,000

6/10,000

5. When you move the decimal point 2 places to the right in 2.45, what number do you get?

0.0245

24.5

245

2,450

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7. Which expression equals 1,200?

12 × 10²

12 × 10

120 × 10

1.2 × 10³

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9. In the number 4,567.89, what is the place value of the digit 6?

Tens

Hundreds

Tenths

Ones

In the number 4,567.89, the digit 6 is in the tens place, which represents 60. The place value indicates the value of a digit based on its position in the number. Since 6 is positioned two places to the left of the decimal point, its value is determined to be tens.

Explanation

In the number 4,567.89, the digit 6 is in the tens place, which represents 60. The place value indicates the value of a digit based on its position in the number. Since 6 is positioned two places to the left of the decimal point, its value is determined to be tens.

10. How many times greater is the 5 in 5,000 than the 5 in 50?

10 times

50 times

100 times

1,000 times

The 5 in 5,000 represents 5,000, while the 5 in 50 represents 50. To compare their values, divide 5,000 by 50, which equals 100. This shows that the 5 in 5,000 is 100 times greater than the 5 in 50.

Explanation

The 5 in 5,000 represents 5,000, while the 5 in 50 represents 50. To compare their values, divide 5,000 by 50, which equals 100. This shows that the 5 in 5,000 is 100 times greater than the 5 in 50.