em4 grade 5 unit 6: unit assessment (version 3 english ... · em4 grade 5 unit 6: unit assessment...
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EM4 Grade 5 Unit 6: UnitAssessment (Version 3 English)
Answer Key
? / 1 points
620 6,200 or 6200
62,000
Multiply. a. 6.2 102 = __ b. 6.2 103 = __ c. 6.2 104 = __* * *
? / 1 points
Where did you place the decimal point in your answer to 6.2 104? How did you know to place it there?*
? / 1 points
0.219 or .219
0.0219 or .0219
0.00219 or .00219
Divide. a. 21.9 102 = __ b. 21.9 103 = __ c. 21.9 104 = __÷ ÷ ÷
? / 1 points
Where did you place the decimal point in your answer to 21.9 103? How did you know to place it there?÷
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4
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Use paper and pencil to solve the problem. Convert between meters (m) and kilometers (km) to complete the“What’s My Rule?” table. Then write a rule using a power of 10 in exponential notation.
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6.45 kilometers or 6.45 km
Three men are climbing Mt. Meru in India. The mountain is 6.6 kilometers tall. When they are 150 meters fromthe peak, the weather forces them to stop and climb back down. How high had the three men climbed beforethey stopped? Answer: __
? / 1 points
422.75 39.648
Use an estimate to place the decimal point in each product. a. 47.5 8.9 = 4 2 2 7 5 __ b. 2.36 16.8 = 3 96 4 8 __
* *
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? / 1 points
Explain how you determined where to place the decimal point in the problem 47.5 8.9 = 4 2 2 7 5*
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79.2 or 79.20
Solve. 17.6 4.5 = __*
? / 1 points
1,810.55
Solve. 73.9 24.5 = __*
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Explain how you solved the problem 17.6 4.5.*
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Make an estimate. Then divide as if the dividend were a whole number. Use your estimate to place the decimal point in your answer. 9.72 5 = ? Estimate: 9.72 5 = ____÷ ÷
? / 1 points
Write an equivalent problem that has a wholenumber divisor. Then solve the equivalent problem and complete the number sentence. 5.6 0.8 = ? Equivalent problem: 5.6 0.8 = ____
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? / 1 points
a. A rectangular onestory house covers an area of 3,200 square feet. The ceilings are 9 feet high. What is the volume of the interior of the house? Number model: Volume: ____ cubic feet b. The ownersadded a second floor to the house. The second floor is 70 feet long and 30 feet wide with ceilings that are 9 feettall. What is the volume of the interior of the second floor? Number model: Volume: ____ cubic feet c. Whatis the total volume of the interior of the house? Number model: Volume: ____ cubic feet
? / 1 points
Use paper and pencil to solve the problem. Maita is making bracelets for 10 friends. Each friend told her howlong they would like their bracelet to be. Maita recorded those lengths below.
a.Complete the line plot using Maita’s data. Remember to add a title and label.
b.What is the most common length of the bracelets Maita made? c. What is the combined length of the fivelongest bracelets? Number model: The combined length is ____ inches. d. What is the difference betweenthe longest and shortest bracelet? Number model: The difference in length is ____ inches.
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