Grade 6

End-of-Unit Assessment

Unit 5 Assessment - Decimal Operations
1.

Find the product: (0.061)(0.43)(0.061) \boldcdot (0.43)

2.

Find the difference:

Vertical calculation, 1 minus 0 point 4 3 0 8
3.

For part of a science experiment, Andre adds 0.25 milliliters of food coloring to 12.3 milliliters of water. How many milliliters does the mixture contain?

A.
12.05
B.
12.325
C.
12.55
D.
14.8
4.

Four runners are training for long races. Noah ran 5.123 miles, Andre ran 6.34 miles, Jada ran 7.1 miles, and Diego ran 8 miles.

  1. What is the total running distance of the four runners?

  2. Compared to Noah, how much farther did Jada run?

5.

One way to compute a 15% tip for a bill is to multiply it by 0.15.

A restaurant bill was $42.40. Calculate the tip. Explain or show your reasoning.

6.

A woodworker wants to cut a board that is 8.225 feet long into 5 equal-length pieces. How long will each piece be?

A.

0.1645 foot

B.

1.645 feet

C.

4.1125 feet

D.

41.125 feet

7.

The list below shows the cost of the same candle at two different stores.

  • Store ABC sells 6 of these candles for $12.00.
  • Store XYZ sells 8 of these candles for $14.00.

Which store sells the candle for a lower unit rate?

Explain how you determined your answer.

8.

A diagram of a rectangular flag, with a shaded section, is shown below.

9 cm5 cm4.5 cm
Triangle area formula: A = 1/2 bh

What is the area, in square centimeters, of the shaded section of the flag?

Show your work.

Answer: ______ square centimeters

9.

A tutoring company charges $25.00 per hour to tutor a student. How many hours of tutoring would cost $62.50?

A. 2122\frac{1}{2}
B. 3123\frac{1}{2}
C. 371237\frac{1}{2}
D. 871287\frac{1}{2}

Answer Key

1.
0.02623
2.
0.5692
3.
C
4.
  1. 26.563 miles
  2. 1.977 miles
5.

$6.36. Sample reasoning: I multiplied 42.40 by 0.1 to get 4.24 and then found half of that to get (0.05)(42.40)=2.12(0.05) \boldcdot (42.40) = 2.12. Then I added the two answers to get $6.36.

6.

1.645 feet

7.
8.
9.

A