Rounding and Estimating with Whole Numbers and Decimals 5NBT4 1) ​Round 3.62 to the nearest whole number. A.2 B.3 C.4 D.6 2) ​When rounding to the nearest whole number, which of the following would be rounded to 7? A. 6.39 B. 7.4 C. 7.54 D. 8.7 3) ​What is 923.4765 rounded to the nearest thousandth? A. 923.477 B. 923.48 C. 923.5 D. 1,000 4) Constructed Response (worth 2 points) ​Explain how to use rules for rounding numbers in order to round 0.35 to the nearest tenth. 5) 6) 7) ​Round 45.56 to the nearest whole number. A. 6 B. 45 C. 46 D. 50 8) Juan won a race by 0.31 seconds. Round this time to the nearest tenth of a second. A. 0.01 B. 0.1 C. 0.3 D. 0.4 9) Anna has a piece of rope that is 10.37 inches long. What is this length rounded to the nearest tenth? A. 10.4 inches 10) B. 10.38 inches C. 10.3 inches D. 10.0 inches 12) ​Selena has $23.44 in the bank. How much money does she have rounded to the nearest dollar? A. $20.00 B. $23.00 C. $23.40 D. $24.00 11) 13) ​Meho made 3.68 gallons of punch. What is 3.68 rounded to the nearest one? A. 3 B. 3.6 C. 3.7 D. 4 14) ​Kaila’s chickens lay about 10 eggs every day. After one week, about how many dozens of eggs will Kaila’s chickens lay? A. 4 B. 5 C. 6 D. 7 15) Constructed Response (worth 2 points): A rectangle has a length of 0.628 feet and a width of five hundred seventy four thousandths feet. Part A Write the width of the rectangle in decimal form. Write the decimal width of the rectangle in expanded form. Part B What is the length of the rectangle, rounded to the nearest hundredth? Explain your answer. 16) Constructed Response (worth 2 points): ​Use the decimal numbers 73.129 and 73.184 to answer the questions. Part A Determine which number is greater by comparing the digits in the same decimal position. Use the symbols to compare each place value. Which place value tells you which number is smaller? Part B Write the smaller number in expanded form. Explain your answer. 17) ​The attendance for weekend performances of a 18) ​Martha's pet ferret measures 42.27 concert was 1,994 for Friday night, 2,041 for centimeters long. Saturday night, and 1,991 for Sunday night. Which is the BEST estimate of the concerts' total attendance? A) 2,000 B) 4,000 C) 6,000 D) 8,000 What is that length rounded to the nearest tenth of a centimeter? A) 42.0 centimeters B) 42.1 centimeters C) 42.2 centimeters D) 42.3 centimeters 19) ​Which statement correctly rounds a decimal to the nearest hundredth? A) The number 0.4737 rounds to 0.48. B) The number 0.5261 rounds to 0.53. C) The number 0.6429 rounds to 0.643. D) The number 0.7813 rounds to 0.782. 20) Constructed Response (worth 2 points): The different weights of sand placed in a truck during 4 different trips are shown in the table. Tammy rounded each value to the nearest whole number of pounds. Part A Tammy said the combined weight was 1,400 pounds after she rounded each value because each weight rounded to 350. Explain whether or not Tammy’s statement is true. 21) Constructed Response (worth 2 points): ​A rectangle has a length of 0.809 feet and a width of feet. 22) Constructed Response (worth 4 points): The lengths of four rhinoceroses, or rhinos, are shown in the chart. Part A Write the width of the rectangle in decimal form. Write the decimal width of the rectangle in expanded form. Part B What is the length of the rectangle, rounded to the nearest hundredth? Explain your answer. Part A Which rhino is the longest? Which is the shortest? A 5​th​ rhino is longer than the shortest one from the chart, but not as long as the longest rhino. What could be the length of the 5​th​ rhino? Explain your answer. Part B Round each value in the chart to the nearest tenth. Part C Mark said that if all 4 rhinos stood end to end they would be more than 15 meters in length. Is Mark correct? Explain your answer. Part D How is the value of the 8 in the number 3.528 different from the value of the 8 in the number 3.68? Use what you know about place value to explain your answer. 23) ​Round each number shown in the list to the nearest hundredth. 24) ​Patty bought a dress for $23.99 and a coat for $47.50. What is the BEST way to estimate the total cost? A.$20+$40 B.$20+$50 C.$30+$40 D.$30+$50 25) ​Which number when rounded to the nearest whole number is 4? A 4.52 B 4.5 C 4.28 D 3.39 Extra Credit (worth + 3 if answered correctly): 59.42 mL = ____ L Extra Credit (worth + 3 if answered correctly): 912 x 57=