Homework – 12/12 to12/16

Remember: Homework is to be completed on separate paper and show your work

Name______Block______

Monday

1.  Rico and his friend eat part of a pan of lasagna. Rico eats 1/16 of the lasagna, and his friend eats 1/32 of the lasagna. How much is left?

2.  One number is near the benchmark 1/4, and another is near the benchmark 1 1/2. Estimate their sum. Explain.

3.  Soo needs 2 yards of molding to put around the bottom of a stand. He has 2 pieces of molding: one is 7/8 yard long and the other is 8/7 yard long. Estimate whether he has enough molding. Explain.

4.  Determine whether the number is closest to 0, 1/2, or 1.
a. 9/16 b.2/15 c.10/9 d.4/7

Tuesday

1. Describe at least 2 things that you have to think about

when you add or subtract with mixed numbers.

Choose things that you do not need to think about

when you add or subtract fractions.

2. Write each standard number in scientific notation>
a. 879,000 c. 1090
b. 214.74 d. 0.00392

3. Find the value of N that makes each number

sentence correct.
a. 3/4 + N = 19/20
b. 1/6 + 5/12 = N

c. 7/9 – 2/3 = N

d. N – 1/5 = 7/20

4. For each pair state whether the sum of the fraction is less than, greater than, or equal to 1. Explain your thinking.
a. 3/8 + 2/5 b. 3/12 + 3/6 c. 4/7 + 7/12

Wednesday

1. Plot the following ordered pairs

a)  (1, 1) b) (3, 2) c) ( 6, 5) d) ( 3, 5)

2. Find the sum for each
a.15 5/8 + 10 5/6 b. 6 1/4 + 2 5/6
c. 2 2/3 + 4 3/4 d. 11 7/10 + 4

3. Sam grew 3 pumpkins for the pumpkin growing contest. The pumpkins weighed 24 1/8 pounds, 18 2/4 pounds, and 32 5/16 pounds. Find the combined total weight of Sam’s pumpkins.

4. Write each scientific notation number in standard form.
a.3.872 x 10-4 c. 8.9026 x 106

b. 6.012 x 100 d. 1.487 x 103

Thursday
1. Find the difference of each
a. 8 1/3 – 2 3/8 c. 9 – 3 2/5
b. 4 1/8 – 2 1/16 d. 2 3/4 – 1 1/8

2. Robbie needs to buy fencing for his square vegetable garden that measures 16 ¾ feet on a side. One side borders the back of the garage. The fencing cost $4 per feet. Estimate how much the fencing will cost.

3. Draw a picture to represent 1 1/3 + 1/6

4. Draw a picture to represent 2 2/3 – 4/3