Name: Writing Reasoning Activities - Gr 5 Lesson Write the multiplication/division fact family for 2, 7, and 14.

Transcription

1 Name: Writing Reasoning Activities - Gr 5 Lesson Write the multiplication/division fact family for 2, 7, and Look at the fact family you wrote for Problem 4. You can say that 14 is 7 times as great as 2. You can also say that 14 is 2 times as great as 7. Write similar statements for 8 x 6 = 48. Name: Writing Reasoning Activities - Gr 5 Lesson Complete the fact triangle. Write the fact family for this triangle. 2. Willa wrote = 11 for one of the facts in Problem 2. Is that answer correct? Explain why or why not.

2 Name: Writing Reasoning Activities - Gr 5 Lesson Pencils are packed 18 to a box. How many pencils are in 9 boxes? 6. Explain how you solved Problem 6. (unit) Name: Writing Reasoning Activities - Gr 5 Lesson Math class ends at 2:20 P.M. It is 1:53 P.M. How many more minutes before math class ends? 4. Explain how you know your answer is correct for Problem 4. (unit)

3 Name: Writing Reasoning Activities - Gr 5 Lesson List all of the factors of Was Jason correct when he said that 64 is a prime number in Problem 3? Explain your answer.

4 Name: Writing Reasoning Activities - Gr 5 Lesson Round to the nearest tenth = 1. Leroy rounded to 60. Rosa said that he was incorrect. Do you agree or disagree with Rosa? = = = = Name: Writing Reasoning Activities - Gr 5 Lesson Circle the obtuse angles. 5. Explain how you know which angles in Problem 5 are obtuse without measuring them?

5 Name: Writing Reasoning Activities - Gr 5 Lesson Multiply. 60 * 4 = 2. Explain how 60 * 4 from Problem 2 can help you solve * 40 = 60 * 400 = 60 [10s] = 600 [10s] = 600 [100s] = Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 5. Explain how you solved Problem 5a. Include in your explanation the strategies and reasoning used.

6 Name: Writing Reasoning Activities - Gr 5 Lesson 2-6 2a. Solve. 2a. Write a number story for Problem 2a. Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 5. Explain how you solved Problem 5b. Include in your explanation the strategies and reasoning used.

7 Name: Writing Reasoning Activities - Gr 5 Lesson Which figure is congruent to Figure Z? 1. Explain how you solved Problem 1. Include reasons why your answer is correct. Name: Writing Reasoning Activities - Gr 5 Lesson List all the factors of In Problem 5, will there be an even or odd number of factors?

8 Name: Writing Reasoning Activities - Gr 5 Lesson I am a polygon. I have fewer sides than a quadrangle. Draw me in the space below. 4. Maddie did Problem 4 by drawing and naming a trapezoid. What s wrong with that answer? How would you help Maddie know the correct figure to draw and name? What shape am I? Name: Writing Reasoning Activities - Gr 5 Lesson Complete each pattern. 4. Explain how you determined the first number pattern in Problem 4.

9 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 6. Blaire wrote the following true statement based on the questions for Problem 6: 450 is 90 times as great as 5. Write similar statements for the question How many 5 s are in 35,000? Name: Writing Reasoning Activities - Gr 5 Lesson I have four sides. All opposite sides are parallel. I have no right angles. Draw me in the space below. 4. John called his drawing in Problem 4 a parallelogram, and Jack called his drawing a rhombus. Who was correct? I am called a.

10 Name: Writing Reasoning Activities - Gr 5 Lesson Javier has $5.00 to buy school supplies. He wants one pack of pencils for $1.38, a notebook for $2.74, and some writing paper for $1.29. If he has enough money, how much change will he get back? 4. Explain your answer to Problem 4. If not, how much more money does he need? Name: Writing Reasoning Activities - Gr 5 Lesson Without using a protractor, find the measurement of the missing angle. 4. Explain why your answer to Problem 4 is correct.

11 Name: Writing Reasoning Activities - Gr 5 Lesson Explain how you used the table data in Problem 1 to make your prediction. Include the number models for your calculations. Name: Writing Reasoning Activities - Gr 5 Lesson Write the prime factorization for Compare the prime factorization for 200 in Problem 4 with the prime factorization for 400.

12 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 4. Explain how you determined the placement of the decimal point for Problem 4f.

13 Name: Writing Reasoning Activities - Gr 5 Lesson Write each fraction as a whole number or a mixed number. 2. Explain how you converted the fractions to mixed numbers in Problem 2. Name: Writing Reasoning Activities - Gr 5 Lesson Write a 4-digit number that has: 7 in the tenths place, 2 in the hundredths place, 0 in the ones place, and 5 in the thousandths place. 1. Explain how you round to the nearest hundredth.. Write this number in words.

14 Name: Writing Reasoning Activities - Gr 5 Lesson Put the following fractions in order from least to greatest. 5. Explain the strategies you used to compare and order the fractions in Problem 5. Name: Writing Reasoning Activities - Gr 5 Lesson Use the information in the bar graph to complete the circle graph. 3. You have been asked to report the results of the preferred lunch survey in Problem 3. Which graph would you use in your presentation? Explain why.

15 Name: Writing Reasoning Activities - Gr 5 Lesson Marcus had $5.00 to spend on lunch. He bought a hot dog for $1.75 and some french fries for $0.69. How much money did he have left to spend on dessert? 4. Describe the strategy you used to solve Problem 4 and explain your reasoning.

16 Name: Writing Reasoning Activities - Gr 5 Lesson Fill in the missing values on the number lines. 1. If you extended the top number line in Problem 1, would 100 be one of the missing numbers? Explain. Name: Writing Reasoning Activities - Gr 5 Lesson A store is giving a 20% discount on all items. Find out how much is saved on each item. 5. Explain your method for finding the savings in Problem 5.

17 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 4. Explain how you solved Problem 4a, including the strategies and reasoning that you used. Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 4. Explain how you solved Problem 4a, including the strategies and reasoning that you used.

18 Name: Writing Reasoning Activities - Gr 5 Lesson Esther did 5 jumps. Her longest jump was 50 in. Could her average jump be 53 in.? 3. Explain your answer to the question in Problem 3 and how you chose the values for the data set. Create a data set for Esther s jumps that could have this average. Name: Writing Reasoning Activities - Gr 5 Lesson Use your calculator to complete the table. 3. Using 9 3 from Problem 3 as an example, explain the words base and exponent.

19 Name: Writing Reasoning Activities - Gr 5 Lesson Circle the fractions that are equivalent to Explain how to use division to find equivalent fractions. Name: Writing Reasoning Activities - Gr 5 Lesson Make a stem-and-leaf plot of the hand-span measures in Ms. Grip s fifthgrade class. 2. Use your solution for Problem 2 to explain how to read a stem-and-leaf plot. 163, 179, 170, 165, 182, 157, 154, 165, 170, 175, 162, 185, 158, 170, 165, 154

20 Name: Writing Reasoning Activities - Gr 5 Lesson Draw and label a 170 o angle. 3. Explain how to use your Geometry Template to draw the angle in Problem 3. Name: Writing Reasoning Activities - Gr 5 Lesson 7-7 4a. Write the next two numbers in each number sentence. 4a. Explain how you identified the missing numbers in Problem 4a.

21 Name: Writing Reasoning Activities - Gr 5 Lesson a. Solve. 2a. Explain your strategy for solving the open number sentence in Problem 2a.

22 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. Solution 5. Explain your strategy for finding the values of the variables in Problem 5. Name: Writing Reasoning Activities - Gr 5 Lesson True or False? Write T or F. a. All rectangles are parallelograms 3. Explain how you determined the answer to Problem 3c. b. A kite is not a parallelogram c. Some parallelograms are squares d. Some trapezoids are not quadrangles

23 Name: Writing Reasoning Activities - Gr 5 Lesson Add. 1. Explain how you found the answer to Problem 1b. Include the strategies and the reasoning that you used. Name: Writing Reasoning Activities - Gr 5 Lesson Write true or false for each number sentence. 2. Write one of the false number sentences from Problem 2. The write it correctly so it is true, and explain the solution.

24 Name: Writing Reasoning Activities - Gr 5 Lesson 8-8 4b. Complete. 4b. Explain how to use the division rule for finding equivalent fractions to solve Problem 4b. Name: Writing Reasoning Activities - Gr 5 Lesson 8-9a 1a. Rename each fraction as a mixed number or a whole number. 1a. Explain how to rename an improper fraction as a mixed number. Use Problem 1a as an example.

25 Name: Writing Reasoning Activities - Gr 5 Lesson 8-9b How can you tell that the shape you drew in Problem 5 has a set of perpendicular sides? How could you change plotted point (4,2) to make parallel sides?

26 Name: Writing Reasoning Activities - Gr 5 Lesson 9-1 2d. Multiply. 2d. Explain how you solved Problem 2d. How might you check your answer? Name: Writing Reasoning Activities - Gr 5 Lesson 9-2a 6. Complete the What s My Rule? table, and state the rule. 6. Explain your solution strategy for completing the table and finding the rule for Problem 6.

27 Name: Writing Reasoning Activities - Gr 5 Lesson 9-2b 4. Solve. 4. Explain the strategy and reasoning you would use to solve Problem 4c with a multiplication algorithm. Name: Writing Reasoning Activities - Gr 5 Lesson What is the volume of the rectangular prism? Fill in the circle next to the best answer. 3. Explain how you could determine the volume of the rectangular prism in Problem 3 by counting the unit cubes. Then write a number model for the formula you could use to find the volume.

28 Name: Writing Reasoning Activities - Gr 5 Lesson What is the volume of the prism? Choose the best answer. 2. Explain how you could determine the volume of the rectangular prism in Problem 2 by counting the unit cubes. Then write a number model for the formula you could use to find the volume. Name: Writing Reasoning Activities - Gr 5 Lesson Complete. 3. In Problem 3c, find the equivalent measure in kilometers (km) and millimeters (mm). In Problem 3e, find the equivalent measure in meters (m) and kilometers (km). Explain what information you needed to make these conversions.

29 Name: Writing Reasoning Activities - Gr 5 Lesson Choose a transformation. Then explain what rule you would use to change the ordered number pairs in Problem 1 to transform the figure. Name: Writing Reasoning Activities - Gr 5 Lesson Write the ordered pairs for each point on the coordinate grid. 1. Explain your method of remembering the steps for plotting ordered number pairs on a coordinate grid.

30 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 1. Explain the strategy you used to solve Problem 1c and explain your reasoning. Name: Writing Reasoning Activities - Gr 5 Lesson 9-9 Draw and label a pre-image of a simple figure and then draw the image rotated 180 o clockwise about a point. Use student reference book page 158 for help.

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32 Name: Writing Reasoning Activities - Gr 5 Lesson 9-10a 3. Monroe said that the least common 5 2 denominator for 20 and 3 was Explain how you found the least common denominator for Problem 3. Is he correct? Rename the fractions using the least common denominator. and Name: Writing Reasoning Activities - Gr 5 Lesson 9-10b 1. Solve. 1. Explain the strategy you used to solve Problem 1d and the reasoning used.

33 Name: Writing Reasoning Activities - Gr 5 Lesson Multiply. Use the algorithm of your choice. Show your work. 3. Explain the strategy and reasoning you would use to solve Problem 3b with a multiplication algorithm. Name: Writing Reasoning Activities - Gr 5 Lesson a. a. Which has a greater area, a 3ft x 2ft rectangle or a triangle with base 3 ft and height 5ft? 4a.Explain your solution strategy for Problem 4a. b. Which has the greater area, a triangle with base 10cm and height 4cm or a parallelogram with base 5cm and height 6cm?

34 Name: Writing Reasoning Activities - Gr 5 Lesson The rectangular prism below has a volume of (unit) 5. Explain how you found the volume for Problem 5. 3cm Write a number model for the formula. Name: Writing Reasoning Activities - Gr 5 Lesson Circle the numbers below that are divisible by In Problem 2, explain how to determine whether 3,735 is divisible by 9 without actually dividing. 3,735 2,

35 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 2. Explain how you found the answer to Problem 2b. Include the strategies and the reasoning that you used. Name: Writing Reasoning Activities - Gr 5 Lesson Use a calculator to rename each of the following in standard notation. 2. Exchange the exponents and bases for each of the numbers in Problem 2, for example, Write the standard notation. Which number is larger than the original number? Explain why.

36 Name: Writing Reasoning Activities - Gr 5 Lesson Make a factor tree to find the prime factorization of Explain how to use a factor tree to find the prime factorization for a number. Use your factor tree from Problem 5 as an example. Name: Writing Reasoning Activities - Gr 5 Lesson Write each fraction in simplest form. 1.Explain how you found the simplest 29 form of 3 in Problem 1.

37 Name: Writing Reasoning Activities - Gr 5 Lesson Solve. 2. Explain how you found the value for the width of the base of the rectangular prism in Problem 2.

38 Name: Writing Reasoning Activities - Gr 5 Lesson A scooter is on sale for 30% of the list price. The sale price is $84. What is the list price? 2. Explain your solution strategy for Problem 2. Name: Writing Reasoning Activities - Gr 5 Lesson If you did not have a calculator available for Problem 4, what value would you use for π?

39 Name: Writing Reasoning Activities - Gr 5 Lesson Name two equivalent fractions for each fraction below. 4. Explain your solution strategy for Problem 4.