Name ______Date 11/03/15

Adding & Subtracting with Decimals Unit Test Review

Read and complete each problem below. Must show work on a separate sheet of paper. Use your notes when needed. We will go over this before the test to make sure everyone understands. MUST SHOW WORK ON SEPARATE PIECE OF PAPER.

1. Find the sum.

567.65 + 73.4 = ______

2.In the number 2,145,857, how does the digit 5 in the thousands place compare to the digit 5 in the tens place?

A. It is 10 times greater. C. It is 1,000 times greater.

B. It is 100 times greater.D. It is 10,000 times greater.

3. Anton rode his mountain bike three days in a row. He biked 12.1 miles on the first day, 13.4 miles on the second day, and 17.9 miles on the third day. How many total miles did Anton bike during the three days? Write the equation and the answer.

______

4. To which place value is the number rounded?

5.319 to 5.3

A. ones B. tenths C. hundredths D. thousandths

5.Look at the 10 X 10 below. Tell the amount that is shaded.

A. Decimal Form ______

B. Fraction Form ______

C. Word Form ______

6. Which of the following statements is true about the relationship between the decimals 0.09 and 0.9?

A. 0.09 is equal to 0.9 C. 0.9 is 1/10 of 0.09

B. 0.09 is 10 times as much as 0.9 D. 0.09 is 1/10 of 0.9

7. A machinist uses a special tool to measure the diameter of a small pipe. The measurement tool reads 0.276 inch. What is this measure rounded to the nearest tenth?

A. 0.2 inch B. 0.27 inchC. 0.28 inch D. 0.3 inch

8.The sign below shows admission prices for the Chocolate Museum of Atlanta.

Chocolate Museum of Atlanta
Children (under 12) / $6
Adults / $12

Part A.

How much will it cost 5 adults and 25 students to visit the Chocolate Museum of Atlanta? Write your equation and answer.

______

Part B.

Students in a school group receive a discount of $2 off each student’s admission price. How much will admission cost a school group of 22 students? Write your equation and answer.

______

Part C.

How many students visited the Chocolate Museum of Atlanta if the student admissions totaled $300? Explain how you found your answer.

______

______

9. Find the difference.

16.3 - 4.4 = ______

10.Michael saw this equation on his paper for homework. What number is he going to write as a missing number?

______- 35.65 = 12.17

A. 44.72B. 46.80C. 23.48D. 47.82

11.Dexter saw the numbers below on the board. He was told to place them in order on the number line below. Place them on the number line from lowest to greatest.

⅖, 1.4, 0.5, ⅗

______

Use place-value patterns to complete the table.

Number / 10 times as much as / 1/10 of
13. / 100
14. / 7,000
15. / 0.04
16. / 0.6

12. Danny bought some snacks for herself. The bag of potato chips cost $1.59, a sandwich is $3.29, and a Pepsi is $1.89. Which is the BEST ESTIMATE of how much money spent?

A. $7.00B.$6.00C. $8.00D. $10.00

13.Cynthia wanted to use the model below to show the subtraction problem below. Complete the problem for her.

1.95 – 0.09 = ______

14. Write the number below in standard form.

(4 X 100) + (5 X 1) + (6 X 0.001)

______

15. Order the following numbers from greatest to least.

3.008; 3.825; 3.09; 3.18

______

Joy, Alana, and Stacey work together to complete a science experiment. The table shows the amount of liquid left in each of their beakers at the end of the experiment.

Student / Amount of liquid (liters)
Jay / 0.8
Alana / 1.05
Evan / 1.2
Stacey / 0.75

16. Whose beaker has the greatest amount of liquid left in it?

A. Jay B. AlanaC. Evan D. Stacey

17. Whose beaker has the least amount of liquid left in it?

A. Jay B. Alana C. Evan D. Stacey

18.The moon’s diameter is approximately 745,000 miles. Which shows the number in expanded form?

A. 7 X 10² + 4 X 10 + 5 X 10⁰ C. 7 X 10⁴ + 4 X 10³ + 5 X 10²

B. 7 X 10³ + 4 X 10² + 5 X 10⁰D. 7 X 10⁵ + 4 X 10⁴ + 5 X 10³

19. Write the rule for the sequence. Then find the unknown term.

2.6, 3.94, 5.24, ______, 7.88

Rule: ______

20.Maggie bought a shirt for $18.95 and a coat for $35.99.

A. Estimate how much Maggie spent on the shirt and coat. Show your work.

______

B. If Maggie paid with $60.00, about how much money will she receive in change? Show your work.

______

C. Find the actual amount that Maggie will receive in change. Show your work.

______

21. Shermeka works at McDonalds. Last week she averaged about 94.5 hours at work. Her friend Rajina averaged about 88.33 at work that same week. Write an inequality to compare the actual time the two girls worked that week.

______

22. Mr. Edgerton writes the following number in expanded form on the board.

3,000+ 300 + 40 + 3

Which shows this number written in standard form?

A. 30,344 B. 3,343C. 300,344D. 344

Parent Signature ______

(5 points extra credit if signed by a parent)