Question 1

Calculate.
-$\frac{3}{4} \times 15.71$

Accepted Answer

A)  11.7825 
B)  12.568 
C)  11.775 
D)  13.74625

Question 2

Add.
-$0.287+8.1$

Accepted Answer

A)  8.388 
B)  8.387 
C)  8.377 
D)  8.497

Question 3

Write a word name for the given decimal notation.
-0.052

Accepted Answer

A)  Fifty-two hundred-thousandths 
B)  Fifty-two thousandths 
C)  Fifty-two ten-thousandths 
D)  Fifty-two hundredths

Question 4

Solve.
-At SuperStop, gasoline costs $\$ 1.35$ per gallon when you pay with a credit card, $\$ 0.07$ per gallon less when you pay with cash. How much do you save by filling up a 15-gallon tank if you are paying cash?

Accepted Answer

A)  $\$ 1.05$ 
B)  $\$ 10.50$ 
C)  $\$ 19.20$ 
D)  $\$ 20.25$

Question 5

Write a word name for the number in the sentence.
-The average cost of an Ink Jet Printer is $\$ 375.07$.

Accepted Answer

A)  Three hundred and seven hundred fifty-seven thousandths 
B)  Three hundred seventy-five and seven hundredths 
C)  Three hundred seventy-five and seven tenths 
D)  Three hundred seventy-five and seven thousandths

Question 6

Subtract.
-$16.500-2.220$

Accepted Answer

A)  14.380 
B)  18.720 
C)  14.180 
D)  14.280

Question 7

Write the word or phrase that best completes each statement or answers the question
-Jan's teacher asked her which number was larger, 11.679 or 11.681. Jan said that the first number was larger because it had 9 thousandths while the second number had only 1 thousandth. What is wrong with Jan's reasoning?

Accepted Answer

The answer of Write the word or phrase that best...

Question 8

Subtract.
-

Accepted Answer

A)  7.9650 
B)  7.9440 
C)  7.9550 
D)  7.9540

Question 9

Solve.
-$42 \cdot y=31.92$

Accepted Answer

A)  10.08 
B)  0.076 
C)  0.76 
D)  7.6

Question 10

Write the fraction in decimal notation.
-$\frac{26}{11}$

Accepted Answer

A)  $2 . \overline{36}$ 
B)  $2 . \overline{38}$ 
C)  $2 . \overline{3} \overline{6}$ 
D)  $2.3 \overline{8}$

Question 11

Multiply.
-

Accepted Answer

A)  451.052 
B)  4.51052 
C)  4510.52 
D)  45.1052

Question 12

Write the word or phrase that best completes each statement or answers the question
-A student wanted to estimate 21.5 × 0.0079 by first rounding each number. He solved the problem as follows.
 21.5 × 0.0079 is approximately equal to 20 × 0.008, which is equal to 0.016. So he estimated the answer as 0.016. Do you agree with the answer? If not, explain where the student went wrong and give the correct answer.

Accepted Answer

The answer of Write the word or phrase that best...

Question 13

Divide.
-$\frac{6336.24}{100}$

Accepted Answer

A)  633.624 
B)  6.33624 
C)  6336.24 
D)  63.3624

Question 14

Divide.
-$\frac{0.006629}{10}$

Accepted Answer

A)  6.629 
B)  0.00006629 
C)  0.0006629 
D)  0.06629

Question 15

Estimate the quotient by first rounding each number as indicated.
-$948 \div 0.119$; Estimate by first rounding each number to one nonzero digit.

Accepted Answer

A)  900 
B)  90 
C)  9 
D)  9000

Question 16

Multiply.
-

Accepted Answer

A)  0.04 
B)  0 
C)  8 
D)  8.005

Question 17

Convert the number in the sentence to standard notation.
-The total sales of Acme Manufacturing Company for the last four years was $\$ 38.38$ million.

Accepted Answer

A)  $\$ 38,380,000$ 
B)  $\$ 3,838,000$ 
C)  $\$ 38,380,000,000$ 
D)  $\$ 383,800,000$

Question 18

Write in decimal notation.
-$70 \frac{811}{1000}$

Accepted Answer

A)  140.811 
B)  70.0811 
C)  78.11 
D)  70.811

Question 19

Divide the following numbers.
-

Accepted Answer

A)  0.82 
B)  0.67 
C)  0.74 
D)  1.14

Question 20

Divide the following numbers.
-

Accepted Answer

A)  20.9 
B)  2.09 
C)  1.09 
D)  10.9

Exam 3: Decimal Notation

Calculate. - $\frac{3}{4} \times 15.71$

Add. - $0.287+8.1$

Write a word name for the given decimal notation. -0.052

Solve. -At SuperStop, gasoline costs $\$ 1.35$ per gallon when you pay with a credit card, $\$ 0.07$ per gallon less when you pay with cash. How much do you save by filling up a 15-gallon tank if you are paying cash?

Write a word name for the number in the sentence. -The average cost of an Ink Jet Printer is $\$ 375.07$ .

Subtract. - $16.500-2.220$

Subtract. -

Solve. - $42 \cdot y=31.92$

Write the fraction in decimal notation. - $\frac{26}{11}$

Multiply. -

Divide. - $\frac{6336.24}{100}$

Divide. - $\frac{0.006629}{10}$

Estimate the quotient by first rounding each number as indicated. - $948 \div 0.119$ ; Estimate by first rounding each number to one nonzero digit.

Multiply. -

Convert the number in the sentence to standard notation. -The total sales of Acme Manufacturing Company for the last four years was $\$ 38.38$ million.

Write in decimal notation. - $70 \frac{811}{1000}$

Divide the following numbers. -

Divide the following numbers. -

Exam 3: Decimal Notation

Calculate. - 34×15.71\frac{3}{4} \times 15.7143​×15.71

Add. - 0.287+8.10.287+8.10.287+8.1

Write a word name for the given decimal notation. -0.052

Solve. -At SuperStop, gasoline costs $1.35\$ 1.35$1.35 per gallon when you pay with a credit card, $0.07\$ 0.07$0.07 per gallon less when you pay with cash. How much do you save by filling up a 15-gallon tank if you are paying cash?

Write a word name for the number in the sentence. -The average cost of an Ink Jet Printer is $375.07\$ 375.07$375.07 .

Subtract. - 16.500−2.22016.500-2.22016.500−2.220

Subtract. -

Solve. - 42⋅y=31.9242 \cdot y=31.9242⋅y=31.92

Write the fraction in decimal notation. - 2611\frac{26}{11}1126​

Multiply. -

Divide. - 6336.24100\frac{6336.24}{100}1006336.24​

Divide. - 0.00662910\frac{0.006629}{10}100.006629​

Estimate the quotient by first rounding each number as indicated. - 948÷0.119948 \div 0.119948÷0.119 ; Estimate by first rounding each number to one nonzero digit.

Multiply. -

Convert the number in the sentence to standard notation. -The total sales of Acme Manufacturing Company for the last four years was $38.38\$ 38.38$38.38 million.

Write in decimal notation. - 70811100070 \frac{811}{1000}701000811​

Divide the following numbers. -

Divide the following numbers. -

Calculate. - $\frac{3}{4} \times 15.71$

Add. - $0.287+8.1$

Solve. -At SuperStop, gasoline costs $\$ 1.35$ per gallon when you pay with a credit card, $\$ 0.07$ per gallon less when you pay with cash. How much do you save by filling up a 15-gallon tank if you are paying cash?

Write a word name for the number in the sentence. -The average cost of an Ink Jet Printer is $\$ 375.07$ .

Subtract. - $16.500-2.220$

Solve. - $42 \cdot y=31.92$

Write the fraction in decimal notation. - $\frac{26}{11}$

Divide. - $\frac{6336.24}{100}$

Divide. - $\frac{0.006629}{10}$

Estimate the quotient by first rounding each number as indicated. - $948 \div 0.119$ ; Estimate by first rounding each number to one nonzero digit.

Convert the number in the sentence to standard notation. -The total sales of Acme Manufacturing Company for the last four years was $\$ 38.38$ million.

Write in decimal notation. - $70 \frac{811}{1000}$