Monday October 27th5th Gr. Math HW

1. Three elementary schools in the area are collecting canned food to give to charity. Lakeshore Elementary collected 168 cans and Eagle Spring Elementary collected 255 cans. Maplebrook Elementary collected 432 cans of food.

Read each statement below, do the math to prove whether the statement is a fact or fib, then write fact or fib next to each statement.

A. Maplebrook and Eagle Spring collected more than four times the cans collected by Lake Shore.

B. Lakeshore collected half the number of cans as Eagle Springs.

C. The difference in the number of cans collected by Maplebrook and Lakeshore is equal to the number of cans collected by Eagle Springs.

D. The sum of the cans can be divided equally among nine charities.

2. A fifth grade begins at 8:00 am. The students go to Specials at 8:15 am and return to class at 9:00. Lunch is 12:15-12:45. The students are released from class at 3:15 pm. How long are students actually in a classroom?

3. Morgan took her cat to the veterinarian and found out her cat’s heart beats 175 beats per minute. How many beats will Morgan’s cat beat in two hours?

4. The bridge across Lake Houston from Atascocita to Kingwood is 3.22 miles long. If you walk cross the bridge six times per week, how many miles will you walk?

Tuesday October 28th

1. Trinidad uses a number machine. When she puts in a number, a different number comes out according to a rule. Some examples are shown below.

Number Machine

32.4 44.7

46.9 59.20

52.3 64.60

74.5 86.8

Describe the relationships between the numbers going into the number machine and the numbers going out, and the inverse relationship of the numbers going out and the numbers going into the number machine.

2. Sunshine Farm grows pumpkins for HEB. HEB has ordered 630 pumpkins from Sunshine Farms. The farmer owns a machine that can harvest 60 pumpkins per hour. If the harvest of the pumpkins begins at 7:00 am, and the machine runs until all of the pumpkins are harvested, when will all of the pumpkins be harvested?

3. James has a jar of nickels. He wants to group the nickels into stacks of 20. James has a total of $18.00. How many stacks of nickels can he make?

4. 459 7.8 19

X 68 x 2.3 x 4.5

Wednesday October 29th

1. Alex runs track. To stay in shape he runs 12 miles per day for 14 days each month. For 10 days of the month, Alex runs 15 miles each day. Alex sticks to this running schedule 11 months of the year. Which number sentence could be used to find, y, the total number of miles Alex runs in one month?

F. (12 x 14) x (10 x 15) = y

G. (12 + 14) x (10 + 15) + 11 = y

H. (11 x 12 + 14) + (11 x 10 + 15)

= y

J. (12 x 14) + (15 x 10) = y

2. Solve for y,the number of miles Alex runs in one month in problem 1.

3. The science club is collecting boxes of paper for recycling. They have collected 7 boxes this week which is three fewer than double the number of boxes collected last week. How many boxes did they collect last week? Write an explanation of how you arrived at your answer.

4. If 612 is the product and eighteen is one of the factors, what is the other factor? Show your work!

5. Alberto ran a race in 17.6 seconds. Jake ran in 18.307 seconds. Christian’s race time was between Alberto’s and Jake’s. Which of the following could be Christian’s race time?

  1. 17.054
  1. 18.4
  1. 17.39
  1. 18.21

Thursday, October 30th

1. Write this number in standard form: eight hundred seventy-three billion, two hundred sixty million, four hundred five thousand, eight hundred ninety-six.

2. Rolando bought 4 tickets for a concert. The tickets ranged in price from $15 to $25. Which is nota reasonable amount for Rolando to pay for all four tickets?

F. $60

G. $75

H. $80

J. $85

K. $90

  1. If we have 14 chicken eggs in our classroom incubator. The 1st egg hatched today at 11:00, the next egg hatched at 11:20, and the next one hatched at 11:40. IF this rate continues, what time will it be when all14 eggs hatch? Show how you figured this out.

4. There are four times as many SUVs as cars in a parking lot. There are twice as many cars as trucks in the lot. Which list shows each type of vehicle in the parking lot?

A 9 SUVs, 36 cars, and 18 trucks

B 48 SUVs, 12 cars, and 24 trucks

C 32 SUVs, 16 cars, and 8 trucks

D 72 SUVs, 18 cars, and 9 trucks

5. A mechanic repaired 28 cars and 46 trucks last month. He spent 2 hours repairing each of these vehicles. Which equation can be used to find h, the total number of hours the mechanic spent repairing these vehicles?

F h = (28 + 46 ) ÷ 2

G h = (28 + 46 ) + 2

H h = (28 + 46 ) x 2

J h = (28 + 46 ) 2