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MATH UNIT 1 4 TH GRADE. PROBLEM SOLVING Jacob helps at the family flower shop in the summer. He keeps a record of how many flower bouquets he sells. How.

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Presentation on theme: "MATH UNIT 1 4 TH GRADE. PROBLEM SOLVING Jacob helps at the family flower shop in the summer. He keeps a record of how many flower bouquets he sells. How."— Presentation transcript:


2 PROBLEM SOLVING Jacob helps at the family flower shop in the summer. He keeps a record of how many flower bouquets he sells. How many bouquets did he sell on Tuesday and Wednesday? MONDAY17 TUESDAY24 WEDNESDAY26 THURSDAY35 FRIDAY43 SATURDAY48

3 Use a Bar Diagram Total: total number of bouquets he sold on Tuesday and Wednesday. ? Part 24 + 26 = ? MONDAY 17 TUESDAY 24 WEDNESDAY 26 THURSDAY 35 FRIDAY 43 SATURDAY 48 2426

4 Emily is saving to buy a sweatshirt from the college her brother attends. She has $13. How much more money does she need to buy the sweatshirt? Total: Cost of the sweatshirt _____$32_____ 32 – 13 = _____ $32 $13?

5 Tickets to a movie on Saturday cost only $5 each no matter what age you are. What is the cost of tickets for a family of three? Total cost ? 3 X 5 = ____ 555

6 Twenty-four students traveled in 3 vans to the zoo. The same number of students were in each van. How many students were in each van? 24 24 divided by 3

7 The race was 5 kilometers. Markers were at the starting line and the finish line. Markers showed each kilometer of the race. Find the number of markers used. What should your strategy be? Start Line 1 km 2 km 3 km 4 km Finish Line

8 How many ways can you make change for a quarter using dimes and nickels?

9 Michael and Madison spent all day Saturday at the County Fair. Michael rode 3 rides every half hour and Madison rode 2 rides every half hour. How many rides had Madison ridden after Michael rode 24 rides? Strategy: Make a chart

10 The house numbers on Forest Road change in a planned way. Describe the pattern. Tell what the next two house numbers should be. 3 6 10 15 ___ ___ ___

11 Joshua spent $27, not including tax, on supplies for his dog. He bought two of one item and one of another item. What did he buy? Strategy: Guess and Check Leash$8 Collar$6 Bowls$7 Bed$15

12 Emmas new CD player can hold 6 discs at one time. If she has 204 CDs, how many times can the player be filled without repeating a CD? 204 divided by 6 = 204 n n

13 How many different ways can 4 students shake each others hand? Strategy: Act it out

14 What is the perimeter of the figure? Each side of each triangle in the figure is one centimeter. If there are 12 triangles in a row, what is the perimeter of the figure shown? Strategy: Make a table ( function chart ) 34 123456789101112

15 Matthew collected some shells, rocks, and beach glass. How many of each object are in his collection? 2 rocks 3 Times as many shells as rocks 12 objects in all Beach glass

16 Olivia was in a jump rope contest. How did her number of jumps change over the five days of the contest? M T W T F 80 60 40 20

17 Daniel has band practice at 10:15 a.m. It takes 20 minutes to get from his home to practice and 5 minutes to warm up. What time should he leave home to get to practice on time? Strategy: work backward

18 Writing to Explain What will happen to the area of a rectangle if the lengths of its sides are doubled? 2 inches 1 inch ______________________________ ______________________________ ______________________________

19 Writing to Explain Use blocks to show 13 X 14. Draw a picture of what you would do with the blocks.

20 REVIEW digit compare even period odd number line A group of three digits in a number separated by a comma is a A ____________ is a line that shows numbers in order using a scale. The number 8 is an ___________ number. The number 5 is an __________ number.

21 Compare each set of numbers using > greater than < less than = equal to 13 107 28 29 14 543 340 1 52 13 6522 33

22 Tell if the highlighted digit is in the ones, tens, or hundreds place. 3461717921921 10634747 217320810 1,0069991,405

23 Writing to Explain How does using commas to separate periods help you read very large numbers? __ __ __, __ __ __, __ __ __, __ __ __ _________________________________ _________________________________

24 Representing Numbers What are some ways to write numbers in the thousands? Hannah is 4,276 feet above sea level. There are many different ways to represent 4,276.

25 How do you read and write numbers in the thousands? Standard Form: When writing a number in standard form you write only the digits. 5,263 Expanded Form: A number in expanded form is written as the sum of the values of each of the digits. 5,000 + 200 + 60 + 3 Word Form: Use periods in the place-value chart to write the number in words. five thousand, two hundred sixty-three

26 Writing to Explain Why is the value of the 5 in 5,784 = 5,000? Explain: __________________________ Is the expanded form for 6,348 the same as 6,348? Explain: __________________________

27 Write the word form of each. What is the value of the red digit in each number? 15,324135,467275,206 42,15863,308921,382

28 Write each number in expanded form. 764,51323,105219,328 85,124806,63375,200

29 Write each number in standard form.

30 Can you read this number?.

31 Write each number in Standard form. eighty-three thousand, nine hundred two three hundred twenty- one thousand, two hundred fifty-three twenty-one thousand, eight hundred seventeen three hundred eight thousand, twenty-nine four hundred ninety- seven thousand, six hundred seven one hundred twenty- five thousand, seven hundred sixty-three five thousand, one hundred forty-five twenty-three thousand, three hundred seventy four hundred three thousand, eight hundred sixty-one

32 Which digit is in the same place in all three numbers? What is the place-value position? 574,632 24,376 204,581 Write the number 403,867 in word form. ________________________________ Can you expand it? _______________________________

33 What is the largest 4 digit number you can make? _____________ What is the smallest 4 digit number? ______________ Write to explain: __________________________________

34 The city of Port Orange has 124,763 books in their Library with 3,142 DVDs in their collection. This year they will purchase an additional 1,500 books and 2,000 DVDs. How many books will the library have after the purchase? What is the operation? Set up and solve. _____ _____ = ______

35 The Everglades National Park is the largest national park in Florida. It was established in 1947. What is this number in expanded form? ___________ This is the year 2013. How long ago was the Everglades National Park established? ____________

36 The Egyptians created a number system that used symbols, or hieroglyphs. The chart shows the symbols and their equivalent numbers. Hieroglyphs are drawn with the greater number in front of the lesser number. 31 Hieroglyphs can be read from left to right. 523 If the symbols are stacked, the greater number is on the top. 214,413

37 Write 217 in word form and using hieroglyphs. ___________ Write 2,523 in word form and using hieroglyphs. ____________

38 Which number will take less time to write with hieroglyphs, 9 or 100? Explain… Use hieroglyphs to write the greatest 5 digit number possible.

39 Use hieroglyphs to draw the number one greater than 249. ____________ It is believed that the Egyptian number system was created around 3000 B.C. Use hieroglyphs to represent this number. ____________

40 Roman Numerals is another number system. How does it compare to the Egyptian system?

41 What are some ways to write numbers in the millions? Between 2001 through 2005, 356,039,763 fans attended professional baseball games. Write the expanded form and word form for 356,039,763. Draw a place-value chart to help.

42 Write the number in word form. Then tell the value of the red digit in each number. 75,600,295249,104,3306,173,253 430,290,10016,107,32078,001,432

43 Write each number in standard form. 300,000,000 + 40,000,000 + 7,000,000 + 300,000 + 10,000 + 6,000 + 20 + 9 900,000,000 + 20,000,000 + 6,000,000 + 20,000 + 4,000 + 10 80,000,000 + 1,000,000 + 600,000 + 20,000 + 900 + 40 + 8

44 Tell the value of the red digit in each number. Write each number in word form. 7,915,87823,341,552214,278,216334,290,652 7,330,96830,290,447133,958,840309,603,114

45 In 2005, seventy-four million, nine hundred fifteen thousand, two hundred sixty-eight fans attended baseball games. Which choice shows this number in standard form? 74,015,96874,905,268 74,900,26874,915,268

46 The vault at Fort Knox holds 147,300,000 ounces of gold. Write the number that is one million more.

47 Write the expanded form of 123,456,789 and 987,654,321. Which digit has the same value in both numbers?

48 Write the standard form of a 9-digit number with a 5 in the millions place and a 9 in the tens place. ___________________ Write a number that is ten million more than the number you chose. ______________ Write a number that is one million less than the number you chose. ______________

49 How can you estimate an unknown distance? Mrs. Vale asked her students to estimate the distance around their classroom. Is the distance closer to 50 feet, 100 feet, or 150 feet?

50 When trying to estimate an unknown distance you should use a distance that you already know. (benchmark) You know that when you take a large step it is about 3 feet. Using this information you can estimate any distance. If it takes you 10 steps to cross the classroom it would be about _____ feet.

51 Chris wanted to estimate the number of seats in a football stadium. Is the total number of seats in the stadium closer to 20,000 seats, 60,000 seats or 160,000 seats? about 5,000 seats

52 An unsharpened pencil is about 7 inches long. Use your pencil to estimate the distance around your desk. Is the distance closer to 15 inches, 90 inches, or 300 inches?

53 Is the distance around your book closer to 12 inches, 50 inches, or 100 inches? Without using a standard measuring tool, how can you make an educated guess? _____________________ What else could you use as a benchmark? ______________

54 How big is your thumb? Can you use this knowledge to help you estimate the size of objects? How big is your arm span? Can this knowledge help you estimate the length of objects?

55 How big was the Kings foot? How do you know? How do we use this knowledge?

56 How can the known data help you estimate how many beans are in the jar if the jar were full? Would the jar hold 1,500 or 3,000 or 5,000 beans? Using data for only part of the amount is called a BENCHMARK. 1,000

57 Think about the jar of beans. If you fill the jar with marbles to the same level as 1,000 beans there would be 200 marbles. After all, marbles are bigger than beans so they take up more space. Using this data how many marbles will fill the jar?

58 The distance between Orlando and Tampa is about 85 miles. Is the distance between Tampa and Miami closer to 100 miles, 300 miles, or 500 miles? Explain.

59 How can you use the map and the known distance between Orlando and Tampa to estimate the distance from Orlando to Palm Beach?

60 A parking garage has six levels. Each level has spaces for 312 cars. Over 4,000 vehicles are expected for a large event at the Ocean Center. Will the parking garage be able to hold over 4,000 vehicles? Explain your answer.

61 The picture of the park shows the area of the park where trees are to be planted. About how much of the park will contain trees? Hint: The lake is part of the park.

62 New park benches will be installed every 100 yards along the path. The total length of the walking path is about 6,000 yards. What is a good estimate of the number of benches that the park will have?

63 The Mote Aquarium in Sarasota, Florida, has a 135,000 gallon shark tank. What is the value of the 3 in this number?

64 The length of one year on a planet is the total time for the planet to make one complete trip around the Sun. a. How many fewer days does it take Mercury to circle the Sun than for Earth to circle the Sun? b. About how many more Earth days is a year on Mars than a year on Earth? c. Which planet has a digit 6 with a value of sixty thousand in the length of its year? PLANETLENGTH OF YEAR MERCURY88 VENUS225 EARTH365 MARS687 JUPITER4,330 SATURN10,756 URANUS30,687 NEPTUNE60,190

65 Which planet has a year that is about six thousand Earth days more than Jupiters? a. Which two planets have a combined year of about 41,000 days? b. How many fewer days does it take Mars to circle the Sun than it takes Saturn? PLANETLENGTH OF YEAR MERCURY88 VENUS225 EARTH365 MARS687 JUPITER4,330 SATURN10,756 URANUS30,687 NEPTUNE60,190

66 Which space object listed has an average surface temperature closest to Earths? What is the average surface temperatures in order from least to greatest. SPACE OBJECT AVERAGE TEMPERATURE MERCURY332 Degrees F EARTH59 Degrees F MOON0 Degrees F VENUS867 Degrees F

67 Abigails favorite planet has at least 5 letters in its name. The length of its year is less than 10,000 Earth days. List all the planets that fit these clues. PLANETLENGTH OF YEAR MERCURY88 VENUS225 EARTH365 MARS687 JUPITER4,330 SATURN10,756 URANUS30,687 NEPTUNE60,190

68 Interpret the value of a given digit in a number. (Be careful – we are not talking about place value. We are asking the actual value of each digit) 264,901,835 How many millions? _______ How many thousands? ___________ How many hundreds? ____________ How many tens? ________________ How many ones? ________________

69 How can you compare numbers? Africa and Asia are the two largest continents on Earth. The land area of Africa is 11,608,000 square miles. The land area of Asia is 17,212,000 square miles. Which continent is larger? 1 1, 6 0 8, 0 0 0 1 7, 2 1 2, 0 0 0 Compare each digit place by place.

70 How can you order numbers? The area of 3 continents on Earth are shown in the table. Write the areas in order from least to greatest. ContinentArea Europe4,010,000 N. America9,450,000 S. America6,890,000

71 Plot numbers on a number line. 4,000,000 6,000,000 8,000,000 10,000,000 ContinentArea Europe4,010,000 N. America9,450,000 S. America6,890,000

72 Write to compare numbers. 12,643 12,8016,519 6,582 111,785 111,7316,793 6,699 3,107,502 3,170,5012,906,793 80,371 80,73115,048 16,408

73 Order these numbers from greatest to least. 105,232,463 105,232,482 105,232,947 _____________________________ Which place did you have to look at to order these numbers?

74 Compare numbers using the symbols > < < = = 34,896 ____ 43,897132,489 ____ 132,498 4,937 ____ 4,9368,965,376 ____ 865,376 3,001 ____ 3,010901,267 ____ 910,627

75 Writing, or = to compare numbers. 221,495 210,38852,744 56,704 138,752 133,1224,937 4,939 22,873 22,7741,912,706 1,913,898 412,632 412,36299,999,999 9,990,999

76 Order the numbers on the number line. 26,000 27,000 28,000 27,505 26,905 26,950

77 Order the numbers on the number line. 3,422,000 3,422,500 3,423,000 3,422,100 3,422,700 3,422,000

78 Order the numbers on the number line. 7,500 7,600 7,700 7,800 7,900 7,502 7,622 7,523 7,852

79 Order the numbers on the number line. 3,000 3,050 3,030 3,033 3,003

80 Write the numbers in order from least to greatest. 57,535 576,945 506,49518,764 18,761 13,490 25,988 25,978 25,998877,837 37,838 878,393 43,783 434,282 64,382723,433 72,324 72,432 58,028 85,843 77,893274,849,551 283,940,039 230,485,903

81 Andrew added 57 and 20 and said the answer is greater than 100. Is Andrew correct? Could you use only the millions period to order 462,409,524 - 463,409,524 and 463,562,391?

82 Write three numbers that are greater than 780,000 but less than 781,000. ___________________ Order the numbers 7,463 - 74,633 and 74,366 from greatest to least. _________________________

83 In 2003, the heaviest snake living in captivity was a Burmese python named Baby. Baby weighed in at 403 pounds. An average Anaconda snake weighs 330 pounds. Which snake weighs more?

84 Which list of numbers is in order from least to greatest? Which is in order form greatest to least? 1,534 1,576 1,563 18,732 18,723 18,765 234,568 234,563 234,323 383,847 383,848 383,849

85 Which child has saved the most baseball cards? Isabella 3,424 Ethan 2,354 Samantha 3,443 Joesph 2,932

86 How much greater is the land area of China than Japan? CountryLand Area Japan377,835 China9,600,000

87 The Atlantic Ocean has an area of 33,420,000 square miles. This area is between which sets of numbers? 33,400,000 33,040,000 33,400,000 33,440,000 33,100,000 33,419,000 33,430,000 33,500,000

88 How can you round numbers? Round 293,655,404 to the nearest thousand and to the nearest hundred thousands. Use place value to round numbers. If the digit to the right of the rounding place is 5 or more, add 1 to the rounding digit. If it is less than 5, leave the rounding digit alone. 2 9 3, 6 5 5, 4 0 4

89 Round each number to the place of the highlighted digit. 128,95585,639 9,9241,194,542 160,656149,590

90 In 2008, the population of the United States was 304,691,952. Round 304,691,952 to the nearest hundred thousand.

91 Round each number to the place of the underlined digit. 493,29539,23077,292 453,28075,25454,846 21,67955,56017,909 9,0496,668,3653,417,547 9,511123,9001,666,821 9,000,985149,99973,065

92 For each zoo in the chart, round the attendance to the nearest hundred thousand. Which zoo had the greatest number of visitors? Nashville Zoo546,429 Philadelphia Zoo1,244,000 Oregon Zoo1,503,565 Brevard Zoo328,973

93 Elizabeth read that about 1,760,000 people will graduate from high school in the next four years. She thinks this number is rounded to the nearest ten thousand. What would the number be if it were rounded to the nearest hundred thousand?

94 Ashley has attended class every day since she started school as a kindergartener. She said she has been in school for about 1,000 days. What could the actual number of school days be if she is in 4 th grade and the number is rounded to the nearest ten?

95 When rounded to the nearest ten thousand, which number would be rounded to 120,000? 123,900 128,770 130,000 124,480

96 A fruit market sold 3,849 apples, 3,498 oranges, and 3,894 pears in one month. Which of these numbers is the greatest?

97 How can you estimate sums and differences? The Empire State Building was completed in 1931. From ground to tip, it measured 1,250 feet. At the top of the building is an antenna and lightning rod that measures 204 feet. Estimate the total height of the structure.

98 When estimating you usually round the number in order to add or subtract easily. The Washington Monument was completed in 1884. About how many years after was the Empire State Building completed? 1931 1884

99 Estimate each sum or difference. 563 + 375 288 - 171 645 + 253 262 - 132

100 The Statue of Liberty was completed in 1886. About how many years later was the Empire State Building completed than the Statue of Liberty? 1886 - 1931

101 William bought a board game for $24, a key ring for $3, and a book for $8. How much money did he spend? Challenge: If he gives the cashier two $20 bills how much change will he receive?

102 This year, 35,658 people ran in a marathon. Last year, 8,683 fewer people ran in the marathon. About how many people ran last year?

103 Anthony sold 86 tickets to the schools talent show on Thursday and 103 tickets on Friday. About how many tickets to the talent show did he sell in all?

104 Alexis was born in the year 2004. One of her older sisters was born in 1992. Rounding to the nearest ten, about how many years younger is Alexis?

105 During swimming practice, David swam 15 laps and Sarah swam 9 laps. How many more laps did David swim than Sarah?

106 Sophia read 235 pages of a book. She had 192 more pages to read before she was done. How many total pages were there in the book? ? 235192

107 PROBLEM SOLVING strategy: DRAW A PICTURE The mass of a human brain is how much greater than the mass of a chimp brain? Draw a picture and write an equation to solve. 1,350 Cat30 grams Chimp420 grams Human1,350 grams Dolphin1,500 grams 420

108 Four cities are on the same road that runs east to west. Fleming is west of Bridgewater, but east of Clinton. Union is between Fleming and Bridgewater. It is 21 miles from Fleming to Union. It is 55 miles from Clinton to Union. How far is it from Clinton to Fleming? W E

109 There are about 200 more species of animals in the Minnesota Zoo than in the Phoenix Zoo. About how many species of animals are in the Minnesota Zoo? About how many at the Miami Metro Zoo? ZOONumber of Species Phoenix200 Minnesota Miami Metro Indianapolis360 Total Species2,260

110 A parking lot had a total of 243 cars in one day. By 6:00 a.m. there were 67cars in the lot. In the next hour, 13 more cars joined these. How many more cars would park in the lot by the end of the day?

111 The American Kennel Club lists 17 breeds of herding dogs and 26 breeds of terriers. Find the total number of breeds of herding dogs and terriers.

112 In one week Alexandra earned $36 from her babysitting job. She got $15 more for doing her chores. How much money did she earn that week? ?


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