Greenwood International School. Grade 4

Transcription

1 Greenwood International School Math Revision Term 1 Grade 4 Name: Section: Date: 1. a- Which state had a population of eight hundred four thousand, one hundred ninety-four? b- What is the value of the digit 8 in Alaska s population? c- Write population of Wyoming in two other forms. PAGE 1

2 2. Read and write the number in two other forms: a- Two hundred thirty five thousand six hundred seventy four. b- 345, Sam sold fifty six thousand twenty three tickets. Is it correct to write the number as 56,230? Explain 4. What is another way to write 350,789? Mark all that apply. a) Thirty five thousand, seven hundred eighty nine. b) Three hundred fifty thousand, seven hundred eighty nine. c) 30, , d) 300, , About 500,000 people attended a football match. Choose Yes or No to show whether each number could be exact number of people that attended the football match. Yes No 456, , ,043 PAGE 2

3 6. Round to the place value of the underlined digit: 345, , , ,123 83,722 34, , Select True or False for each sentence. a. The value of 2 in 724,638 is 20,000. True False b. The value of 8 in 380,194 is 800,000. True False c. The value of 7 in 671,235 is 70,000. True False d. The value of 9 in 874,092 is 900. True False 8. Estimate. Then find the sum: Estimate: Estimate: 6, , , , PAGE 3

4 9. National Art Museum has 56,789 visitors this year and had 23,789 visitors last year. Estimate the total number of visitors. number of visitors 10. Estimate. Then find the difference: Estimate: Estimate: 7, , , , California forest has an area of 652,051 square miles. Columbia forest has an area of 864,001 square mile. How much larger is Columbia forest than California forest? 13. Complete the patterns: 6 x 7 = 5 x 8 = 6 x 70 = 5 x 80 = 6 x 700 = 5 x 800 = 6 x 7,000 = 5 x 8,000 = PAGE 4

5 14. Find the product: 7 x 800 = 7 x hundreds 6 x 4,000 = 6 x thousands = hundreds = thousands = = 15. Find the product. 7 6,000 = 4 80 = = 9,000 = 63,000 7 = 56,000 8 = 3, Find the products: 3 x 8,000 = 9 x 70 = 6 x 600= 17. Jordan has twenty times as many baseball cards as his brother. His brother has 8 cards. How many cards does Jordan have? cards 18. David buys 5 packages of paper. There are 700 sheets of paper in each package. How many sheets of paper does David buy? sheets of paper PAGE 5

6 19. Estimate. Then find the product: Estimate: Estimate: 5, x 4 1, x A seafood company sold 3,205 pounds of fish last month. If 7 seafood companies sold the same amount of fish, how much fish did the 7 companies sell last month in all? 20. There are 2,306 members of Cambridge Club. Swiss Club has 9 times as many as Cambridge Club s members. How many members Swiss Club have? members PAGE 6

7 21. Use the order of operations to find the value of n: 2 x x = a = s 22. Carrie manages a catering company. She rented 325 chairs each week for the first two weeks of May. Carrie rented 750 chairs each week for the first two weeks of April. The chair rental company forgot to send 23 chairs. How many chairs did Carrie receive in those 4 weeks? Show your work. 23. Ahmed has 6 boxes with 14 cupcakes in each box. He has 6 boxes with 23 muffins in each box. If he gives 74 cupcakes to a friend, how many cupcakes and muffins does he have? PAGE 7

8 24. Use benchmarks to choose the metric unit you would use to measure each: Weight of a watermelon Length of a pencil case Mass of a grape Length of a football field The amount of liquid a punch bowl holds 25. Circle the better estimate: grams gallons kilograms meter centimeter yards liters pounds Mass of apples 2 grams 2 kilograms Length of a door 2 centimeter 2 meter Volume in a glass of water 250 milliliters 250 liters 26. What is the better estimate for the height of a desk, 1 meter or 1 kilometer? 27. Complete the sentence. Write more or less. Tina s large cat weighs than one ton. The amount of liquid a sink can hold is than one cup of water. A feather has a mass of than one kilogram. PAGE 8

9 28. Julianne s car is 75 centimeters long. She says her car is 7.5 meters long. Describe her error. 29. Katia bought two melons. She says the difference in mass between the melons is 5,000 grams. Which two melons did Katia buy? watermelon: 8 kilograms cantaloupe: 5 kilograms honeydew: 3 kilograms casaba melon: 2 kilograms crenshaw melon: 1 kilogram 30. Complete: 6 feet = inches 5 yards = feet 8 feet = inches 31. Compare using, <,> or 3 yards 5 feet 8 yards 10 feet 60 inches 20 feet PAGE 9

10 32. Marta has 14 yards of wire to use to make necklaces. She needs to know the length in feet so she can determine how many necklaces to make. How many feet of wire does Marta have. 33. Sara has two tables with different lengths. Table A is 4 feet long. The table B is 50 inches long. Which table length is longer? 34. Complete: 3 tons = pounds 4 pounds = ounces 60 pounds = ounces 35. Compare using <,> or = 8 pounds 6 ton 3 pounds 50 ounces 6,000 pounds 50 ounces 36. A landscaping company ordered 6 tons of gravel. It sells the gravel in 50-pound bags. How many pounds of gravel did the company order? PAGE 10

11 37. Complete: 3 gallons = pints 6 pints = cups 5 gallons = quarts 5 meters = centimeters 3 centimeters = millimeters 4 meters = decimeters 8 decimeters = centimeters 2 liters = milliliters 6 kilograms= grams 38. Describe the length in meters. Write your answer as a fraction and as a decimal. 65 centimeters = or meter 47 centimeters = or meter 9 decimeters = or meter 39. There are 3 liters of water in a pitcher. How many milliliters of water are in the pitcher? There are milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can 3 by 1,000 to find the number of milliliters in 3 liters. So, there are milliliters of water in the pitcher. PAGE 11

12 40. Select Yes or No to tell whether the measurements are equivalent. 7,000 grams and 7 kilograms Yes No 200 milliliters and 2 liters Yes No 6 grams and 6,000 kilograms Yes No 5 liters and 5,000 milliliters Yes No 2 milliliters and 2,000 liters Yes No 41. Kenny buys five 1-liter bottles of water. How many milliliters of water does Kenny buy? PAGE 12

13 1. Answer Key a- Which state had a population of eight hundred four thousand, one hundred ninety-four? South Dakota b- What is the value of the digit 8 in Alaska s population? 8 ten thousands or 80,000 c- Write population of Wyoming in two other forms. 500, , , Five hundred thirty-two thousands, six hundred sixty-eight 2. Read and write the number in two other forms: c- Two hundred thirty five thousand six hundred seventy four. 235, , , , d- 345,078 Three hundred forty-five thousands, seventy-eight 300, , , PAGE 13

14 3. Sam sold fifty six thousand twenty three tickets. Is it correct to write the number as 56,230? Explain No, correct way to write the above number is : 56, What is another way to write 350,789? Mark all that apply. e) Thirty five thousand, seven hundred eighty nine. f) Three hundred fifty thousand, seven hundred eighty nine. g) 30, , h) 300, , About 500,000 people attended a football match. Choose Yes or No to show whether each number could be exact number of people that attended the football match. Yes No 456, , , Round to the place value of the underlined digit: 345, , , , , ,100 83,722 84,000 34,610 30, , ,050 PAGE 14

15 7. Select True or False for each sentence. a. The value of 2 in 724,638 is 20,000. True False b. The value of 8 in 380,194 is 800,000. True False c. The value of 7 in 671,235 is 70,000. True False d. The value of 9 in 874,092 is 900. True False 8. Estimate. Then find the sum: Estimate: 9,000 Estimate: 11,000 6, , , , , , National Art Museum has 56,789 visitors this year and had 23,789 visitors last year. Estimate the total number of visitors. 80,000 visitors 10. Estimate. Then find the difference: Estimate: 6,000 Estimate: 1,000 7, , , , , , PAGE 15

16 12. California forest has an area of 652,051 square miles. Columbia forest has an area of 864,001 square mile. How much larger is Columbia forest than California forest? 211,950 square miles 13. Complete the patterns: 6 x 7 = 42 5 x 8 = 40 6 x 70 = x 80 = x 700 = 4,200 5 x 800 = 4,000 6 x 7,000 = 42,000 5 x 8,000 = 40, Find the product: 7 x 800 = 7 x 8 hundreds 6 x 4,000 = 6 x 4 thousands = 56 hundreds = 24 thousands = 5,600 = 24, Find the product. 7 6,000 = 42, = 3, = 1, ,000 = 63, ,000 = 56, = 3,200 PAGE 16

17 16. Find the products: 3 x 8,000 = 24,000 9 x 70 = x 600= 3, Jordan has twenty times as many baseball cards as his brother. His brother has 8 cards. How many cards does Jordan have? 20 x 8 = 160 cards 18. David buys 5 packages of paper. There are 700 sheets of paper in each package. How many sheets of paper does David buy? 5 x 700 = 3,500 sheets of paper 19. Estimate. Then find the product: Estimate: 24,000 Estimate: 18,000 5, x 4 2 2, , x 9 1 7, PAGE 17

18 20. A seafood company sold 3,205 pounds of fish last month. If 7 seafood companies sold the same amount of fish, how much fish did the 7 companies sell last month in all? 3,205 x 7 = 22,435 fish 20. There are 2,306 members of Cambridge Club. Swiss Club has 9 times as many as Cambridge Club s members. How many members Swiss Club have? 2,306 x 9 = 20,754 members 21. Use the order of operations to find the value of n: 2 x x = a = a = a 171 = a = s = s = s 338 = s 22. Carrie manages a catering company. She rented 325 chairs each week for the first two weeks of May. Carrie rented 750 chairs each week for the first two weeks of April. The chair rental company forgot to send 23 chairs. How many chairs did Carrie receive in those 4 weeks? Show your work. (325 x 2) + (750 x 2) , , ,127 chairs PAGE 18

19 23. Ahmed has 6 boxes with 14 cupcakes in each box. He has 6 boxes with 23 muffins in each box. If he gives 74 cupcakes to a friend, how many cupcakes and muffins does he have? (6 x 14) + (6 x 23) cupcakes and muffins 24. Use benchmarks to choose the metric unit you would use to measure each: Weight of a watermelon kilograms Length of a pencil case centimeters Mass of a grape grams Length of a football field meters The amount of liquid a punch bowl holds liters grams gallons kilograms meter centimeter yards liters pounds 25. Circle the better estimate: Mass of apples 2 grams 2 kilograms Length of a door 2 centimeter 2 meter Volume in a glass of water 250 milliliters 250 liters PAGE 19

20 26. What is the better estimate for the height of a desk, 1 meter or 1 kilometer? 1 meter 27. Complete the sentence. Write more or less. Tina s large cat weighs less than one ton. The amount of liquid a sink can hold is more than one cup of water. A feather has a mass of less than one kilogram. 28. Julianne s car is 75 centimeters long. She says her car is 7.5 meters long. Describe her error. 1 meter has 100 centimeters. So, 75 centimeters = meters = 0.75 meters 29. Katia bought two melons. She says the difference in mass between the melons is 5,000 grams. Which two melons did Katia buy? watermelon: 8 kilograms cantaloupe: 5 kilograms honeydew: 3 kilograms casaba melon: 2 kilograms crenshaw melon: 1 kilogram watermelon and honeydew PAGE 20

21 30. Complete: 6 feet = 72 inches 5 yards = 15 feet 8 feet = 96 inches 31. Compare using, <,> or 3 yards 10 feet 5 feet = 60 inches 8 yards 20 feet 32. Marta has 14 yards of wire to use to make necklaces. She needs to know the length in feet so she can determine how many necklaces to make. How many feet of wire does Marta have. 14 x 3 = 42 feet of wire 33. Sara has two tables with different lengths. Table A is 4 feet long. The table B is 50 inches long. Which table length is longer? 4 feet = 4 x 12 inches = 48 inches So, Table B is longer than Table A 34. Complete: 3 tons = 6,000 pounds 4 pounds = 64 ounces 60 pounds = 960 ounces PAGE 21

22 35. Compare using <,> or = 8 pounds 50 ounces 6 ton 6,000 pounds 3 pounds 50 ounces 36. A landscaping company ordered 6 tons of gravel. It sells the gravel in 50-pound bags. How many pounds of gravel did the company order? 6 tons = 6 x 2,000 pounds 12,000 pounds 37. Complete: 3 gallons = 24 pints 6 pints = 12 cups 5 gallons = 20 quarts 5 meters = 500 centimeters 3 centimeters = 30 millimeters 4 meters = 40 decimeters 8 decimeters = 80 centimeters 2 liters = 2,000 milliliters 6 kilograms = 6,000 grams PAGE 22

23 38. Describe the length in meters. Write your answer as a fraction and as a decimal. 65 centimeters = 0.65 or meter 47 centimeters = 0.47 or meter 9 decimeters = 0.9 or meter 39. There are 3 liters of water in a pitcher. How many milliliters of water are in the pitcher? There are 1,000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 3 by 1,000 to find the number of milliliters in 3 liters. So, there are 3,000 milliliters of water in the pitcher. 40. Select Yes or No to tell whether the measurements are equivalent. 7,000 grams and 7 kilograms Yes No 200 milliliters and 2 liters Yes No 6 grams and 6,000 kilograms Yes No 5 liters and 5,000 milliliters Yes No 2 milliliters and 2,000 liters Yes No 41. Kenny buys five 1-liter bottles of water. How many milliliters of water does Kenny buy? 5,000 milliliters of water PAGE 23