1 / 69

MULTIPLYING GREATER NUMBERS

MULTIPLYING GREATER NUMBERS. 4 TH GRADE. Review What You Know multiple product factors round One way to estimate with numbers is to ___________ each number. A ____________ is the answer to a multiplication problem.

suchin
Télécharger la présentation

MULTIPLYING GREATER NUMBERS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MULTIPLYING GREATER NUMBERS 4TH GRADE

  2. Review What You Know multiple product factors round • One way to estimate with numbers is to ___________ each number. • A ____________ is the answer to a multiplication problem. • In the equation 9 x 5 = 45, the 9 and 5 are both ___________.

  3. Rounding Round each number to the place of the highlighted digit.

  4. Multiplication Find each product.

  5. Suzi went to a craft fair and bought 3 quilts for $45 each and 3 sun- catchers for $12 each. How much did she spend?

  6. How do you multiply 3-digit numbers by 2-digit numbers? Last month a bakery sold 389 trays of bagels. How many bagels did the store sell last month? 12 bagels per tray

  7. Do You Know How ?

  8. Do You Know How ?

  9. 6 1 2 x 3 2 2 4 + 1 0 , 8 4

  10. The Mrs. Bell’s fourth-grade class at Orange Street Elementary sold more bags of popcorn than any other class. They ordered 17 cases of popcorn. Each case had 242 bags. How many bags of popcorn did the class sell?

  11. The Theater in Daytona Beach can seat 540 people at one time. How many tickets can be sold if the theater sells out every seat for one 30-day month?

  12. It takes Mars 687 Earth days to revolve around the Sun. How many Earth days does it take Mars to revolve 24 times around the Sun?

  13. A nursery sells plants by the flat. There are 6 plants in each tray. Each flat has 6 trays. The nursery sold 16 flats on Saturday and 21 flats on Sunday. How many plants did the nursery sell in all?

  14. The length of the Nile River in Africa is about 14 times the length of Lake Michigan. About how many miles long is the Nile River? Lake Michigan 300 Miles Long

  15. Multiply with zeros to see if your answer is reasonable. An antique steam train makes one sight-seeing tour each day. If every seat is filled for each trip, how many passengers can it carry for 31 tours? The Train has a total of 208 seats.

  16. Multiply by zeros to estimate. Then solve. Suppose an average of only 103 seats are filled for each train tour. What is a reasonable estimate for the number of passengers the train can carry in 28 tours?

  17. Estimate – then solve

  18. Estimate – then solve.

  19. Jimmy orders 108 loaves of bread each day from the bakery for his dad’s Deli. He gets a variety of white, wheat, and rye. Each loaf costs $2. How much does Jimmy spend daily for bread?

  20. A flight departs at 8:45 a.m. It arrives 2 hours and 15 minutes later. What time does the flight arrive?

  21. There are 5 adult skeletons on display in an exhibit in a science museum. How many bones are there in all? An adult has 206 bones.

  22. There are more bones in a child’s body because some of a child’s bones fuse together as they grow. How many more bones are in a child’s body than in an adult’s body? A child has 300 bones.

  23. Explorers from Spain first came to Florida in 1513. After 308 years, Spain gave up control of Florida to the United States. In what year did this change happen?

  24. What figure has eight sides and eight angles? What would a net look like to build this geometric solid?

  25. Find each product.

  26. Construction paper comes in packs of 275 sheets. How many sheets of construction paper are in 2 gross? Hint: 1 gross = 12 dozen or 144

  27. Lauren was captain of 168 full flights on the J-119 last fall. How many passengers did she have on her flights last fall?

  28. Fido’s dog food gives him 975 calories of energy a day. How many calories does he get from his food in 7 days?

  29. Renting a boat at a marina costs $289 a day. In one month, the marina rented boats 124 times. How much money did they earn from the rentals?

  30. Laura and Ryan both got new sun glasses. Laura’s sunglasses cost $275. Ryan’s sunglasses cost $80 less. How much did they pay for their sunglasses all together?

  31. A class is building a model of their community. They have 12 complete sets of building blocks. How many building blocks can the class use to build the model? 1,025 blocks per set

  32. Seminole leader Osceola died in 1838. A Florida county was named in his honor 49 years later. In what year did Osceola County get its name?

  33. There were 4,017 fans at the rodeo championship. Each fan paid $5 for admission. How much money was collected in all?

  34. On average, each American produces 1,657 pounds of trash in one year. About how much trash does each American produce in 10 years?

  35. Maggie walks dogs and delivers papers to earn money. This month, she earned $54 delivering papers and $41 walking dogs. She spent $12 on a new watch. How much money does Maggie have left this month?

  36. A rectangular flag has a length of 209 feet and a width of 110 feet. What is the perimeter? P = 2L + 2W What is the area? A = L x W

  37. In 2007, Florida’s population was estimated at 18,680,367. Which digit is in the ten millions place?

  38. An electronic word-search puzzle game is programmed with 1,225 word-search puzzles. How many letters were needed to create all of the puzzles for the games? Each puzzle uses 144 letters.

  39. Each puzzle has 15 hidden words. If you complete 174 puzzles, how many words will you have found?

  40. Find each product by estimating the range.

  41. Estimates show that an average family in America uses about 350 gallons of water per day. At this rate, how much water would a family use in 365 days?

  42. The earth is always rotating even though you cannot feel it. A point on the equator travels about 1,038 miles every hour. How far would the point travel over 12 hours?

  43. A recycling center recycles about 1,250 aluminum cans each day. At that rate, how many cans would be recycled in 31 days?

  44. The official distance of a modern marathon is 26 miles, plus 1,155 feet. There are 5,280 feet in one mile. How many feet are in a marathon?

  45. Lake Okeechobee is Florida’s largest lake. A 110-mile trail loops around its shore. Melanie has biked 73 miles of the trail so far. How many miles does she have left in order to complete the whole trail?

  46. On average, it takes about 2,500 pearls to decorate a gown. If a dress shop expects to sell 200 beaded gowns, about how many pearls will be needed?

  47. Flight 719 carries 39 passengers. Each passenger brings 2 suitcases. The airplane can safely carry 5,000 pounds of luggage. Is an exact answer needed or is an estimate enough to decide if the luggage for this flight is under the weight limit? Average weight 36 pounds per suitcase

  48. There are 44 adults that want to take a group tour of Mexico City. The cost of each ticket is $12. Is an exact answer needed or is an estimate enough to find the total cost of the tickets?

More Related