Math 6, Unit 03 Practice Test: Decimals

1. Define decimal and give an example.

2. Define expanded form and give an example.

3. Describe how to determine which decimal value is larger: 10.09 or 10.0355 ?

4. Write the algorithm for multiplying decimals.

5. Write 16.237 in expanded notation.

Math 6 Practice Test Unit 03: Decimals Page 1 of 5 Revised 8/2010 6. (CRT) What is the value of the digit 4 in the number 38.145 ? A. 4 hundredths B. 4 ones C. 4 tens D. 4 thousandths

7. (CRT) A speed skater was timed for four individual laps. The first lap was 40.7 seconds, the second lap 40.737 seconds, the next lap 40.37 seconds and the last lap 40.387 seconds. What is the order of the times from the least amount of time to the greatest amount of time? A. 40.37 40.7 40.387 40.737 B. 40.37 40.387 40.7 40.737 C. 40.387 40.37 40.7 40.737 D. 40.387 40.37 40.737 40.7

8. Round 12.0155 to the nearest tenth.

9. (CRT) What is 0.0977 rounded to the nearest thousandth? A. 0.097 B. 0.098 C. 0.099 D. 0.100

10. (CRT) Carmen bought the following lengths of ribbon. Blue ribbon: 3.15 yards Yellow ribbon: 4.72 yards Green ribbon: 1.87 yards Which is the best ESTIMATE of the total number of yards of ribbon Carmen bought? Show your work. A. 8 yards B. 9 yards C. 10 yards D. 11 yards

Math 6 Practice Test Unit 03: Decimals Page 2 of 5 Revised 8/2010 11. (CRT) During a fundraiser, the 6th graders at a middle school collected $78.53. A student found 3 dimes and 5 quarters on the playground. These coins were added to the money collected in the fundraiser. What is the total amount of money the 6th graders collected, including the coins that were found? Show your work. A. $78.61 B. $79.08 C. $79.81 D. $80.08

12. Find the sum. Show your work. 2. 21+ 3 + 23 . 04

13. Evaluate. Show your work. 41- 8. 02

14. Find the product. Show your work. 3. 41 0 . 2

15. Find the quotient. Show your work. 0. 85 5

16. Evaluate. Show your work. 0. 6 4 . 83

Math 6 Practice Test Unit 03: Decimals Page 3 of 5 Revised 8/2010 17. Solve for x. Show your work. x-1 . 3 = 21 . 077

18. Solve the equation. Show your work. 1. 2 x= 28 . 56

19. (CRT) A teacher is distributing string to students. She starts with a piece of string 30 meters (m) long. The first length of string she gives to a student is 11.3 m long. The next student received string that is 5.6 m long. The third length given is 8.23 m long. The remainder goes to the fourth student. What is the length of string given to the fourth student? Show your work. A. 25.13 m B. 9.92 m C. 4.97 m D. 4.87 m

20. Jenny went to the store and bought a shirt for $17.95, a pair of jeans for $23.59, a pair of shoes for $29.99, and a scarf for $4.84. What was her total bill? If Jenny paid the bill with a four $20 bills, how much change should she receive? Show your work

Math 6 Practice Test Unit 03: Decimals Page 4 of 5 Revised 8/2010 21. There are 250 students going on a field trip. If each bus holds 58 students, how many buses are needed for the field trip? Explain your thinking.

Long term memory review:

22. Which of the following correctly shows the Commutative Property of Multiplication? A. (2创 7) 3= ( 7 创 2) 3 B. (2创 7) 3= 2 创( 7 3) C. 2�( 7= 3) �( 2 7) ( 2 3) D. 27� 3+ ( 20 7) 3

23. What is the value of the expression below? Show your work. 6+ 18复 2 3 - 1

24. (CRT) An expression is shown below. 3x - 2 What is the value of the expression when x = 3 ? Show your work. A. 3 B. 7 C. 31 D. 35

Math 6 Practice Test Unit 03: Decimals Page 5 of 5 Revised 8/2010