Unit 9 Written Assessment

Name:

Use pencil and paper to answer the question.
How much do four 60

-pound white marlins weigh?
________ pounds
Show your work.

Use pencil and paper to answer the question.
Use partial products or the lattice method to solve.

a.
b.

Use pencil and paper to answer the question.
Put these fractions in order from smallest to largest. You may use your Fraction Cards.


________	________	________	________	________
smallest				largest

Use pencil and paper to answer the question.
Complete the number sentences.

Use pencil and paper to answer the question.
a. Draw a rectangle with a perimeter of 18

b. How do you know the perimeter is 18 cm?
____________________________________________________
____________________________________________________
c. What is the area of your rectangle? ________ sq cm
d. How did you find the area?
____________________________________________________
____________________________________________________

Use pencil and paper to answer the question.
Mrs. Malone has $10.00 to buy as many packs of batteries as she can. One pack of batteries costs $3.59.
a. How many packs can she buy? ________
b. About how much money will she spend? ________
c. About how much change will she get back? ________

Use pencil and paper to answer the question.
Explain Tierra’s mistake in the problem below.

__________________________________________________
__________________________________________________
__________________________________________________

Use pencil and paper to answer the question.
Use partial products or the lattice method to solve.

10.

Use pencil and paper to answer the question.
Corey is buying boxes of raisins for the third grade picnic. He needs 110 boxes. The boxes come in packages of 8.
a. How many packages should he buy? __________________
b. Explain how you figured out your answer.
__________________________________________________
__________________________________________________
__________________________________________________
__________________________________________________

11.

Use pencil and paper to answer the question.
Factor Patterns

a. Explore what happens to the product when you double a factor. For example, multiply

. Then double the 4 and multiply

; then double the 5 and multiply

. Show your work.

b. Try doubling one of the factors in other multiplication facts.

Show your work. Describe a pattern you see when you double factors.

c. Based on your work with doubling factors, predict what will happen when you double both factors. Explain how you would convince someone that your prediction is true for all multiplication facts.