CRA TEST PREP

THOUGHT OF DAY:GOOD IS THE ENEMY OF

BEST

STRESS TIPS

EAT BREAKFAST GET A GOOD NIGHT’S SLEEP IF YOU DO NOT KNOW A QUESTION SKIP IT

AND GO BACK. MANAGE YOUR TIME DO NOT LEAVE ANY QUESTIONS BLANK USE THE KNOWLEDGE YOU HAVE AND RUN

WITH IT REMEMBER GOOD IS THE ENEMY OF BEST

QUESTION NUMBER 1 Calvin mows his neighbors' lawns on Saturdays. The

data below shows the amount of money that Calvin earned for the last 8 Saturdays.

The line graph below displays the data for Calvin's earnings. The way that the line graph was created leads to an incorrect interpretation of the data that Calvin earned the same amount of money every Saturday.Step A

What part of the line graph leads to an incorrect interpretation of the data that Calvin earned the same amount of money every Saturday?

Step B Use what you know about line graphs to justify why the

part of the graph you identified in Step A leads to an incorrect interpretation of the data. Use words, data, and/or symbols in your justification.

SAMPLE RESPONSES: http://mdk12.org/assessments/k_8/cr_item

prop/msa_math_7_013.html

Question #2 The linear relationship is the table

below uses the rule y = 6x + 20

SEE SIDE →

Step A What is the value for y when x =

80? Step B Explain how you determined this

value. Use what you know about function tables in your explanation. Use words, numbers, and/or symbols in your explanation.

X Y

5 50

13 98

45 290

80 ?

Sample Responses:http://mdk12.org/assessments/k_8/cr_itemprop/msa_math_7_020.html

Question #3 The list below shows the

different taco shells, fillings, and toppings sold at Rico's Taco Bar.

How many different types of tacos can Rico make using one taco shell, one filling, and one topping?

Step B Use what you know about

probability to justify why the number of different types of tacos you determined is correct. Use words, numbers, and/or symbols in your justification.

Taco Shells

Fillings Toppings

Soft Chicken Cheese

Hard Beef Lettuce

Bean Salsa

Onions

Sour Cream

Sample Responses:

http://mdk12.org/assessments/k_8/cr_itemprop/msa_math_7_024.html

Question #4 Juan has 5 pairs of socks in his drawer. The pairs of

socks are: 3 white and 2 blue. He also has 4 T-shirts in the drawer: 2 white and 2 gray. He randomly picks one pair of socks and one T-shirt from the drawer.

Step A What is the probability Juan picks a pair of white socks

and a gray T-shirt? Step B Use what you know about probability to explain how you

determined the probability of Juan picking a white pair of socks and a gray T-shirt. Use words, numbers, and/or symbols in your explanation.

Sample Responses:

http://mdk12.org/assessments/k_8/cr_itemprop/msa_math

_7_027.html

Question #5 Students in a marching band

collected money for new uniforms. This table shows the amount of money they collected last week.

Step AWhat is the mean amount of money the students collected?

$___________ Step B The amounts for Saturday and

Sunday were recorded incorrectly. Saturday should have been $34.24, and Sunday should have been $75.18. Use what you know about determining the mean to explain how these changes will affect your answer in Step A. Use words, data, and/or symbols in your explanation.

Day Amount

Monday $25.34

Tuesday $10.45

Wednesday $39.77

Thursday $78.35

Friday $63.29

Saturday $44.26

Sunday $57.18

Sample Answers:

http://mdk12.org/assessments/k_8/cr_itemprop/msa_math_7_036.html

Question #6 Note: This problem is solved without a calculator. Amanda's long distance telephone plan charges a monthly fee of

$14.95 and $.05 per minute for the number of minutes (m) that she uses her telephone. The monthly charge for Amanda's long distance telephone plan is represented by the expression shown below.

14.95 + 0.05m Step A How much is the monthly charge for Amanda's long distance

telephone plan if she talks for 150 minutes in one month? Step B Use what you know about expressions to explain how you

determined the monthly charge for Amanda's long distance telephone plan. Use words, numbers, and/or symbols in your explanation.

Suppose that the cost per minute changes to $.07 per minute. Explain how this change will affect the charge for Amanda's telephone plan. Use words, numbers, and/or symbols in your explanation.

Sample Responses:

http://mdk12.org/assessments/k_8/cr_itemprop/msa_math_7_014.html

Question #7 Look at quadrilateral KLMN. Step A

What is the measure of M?∠ ______________degrees Step B Use what you know about the angle

measures of a quadrilateral to justify why the measure you determined for M is correct. Use words, numbers, and/or symbols in your justification.

A new quadrilateral KLMN is drawn so that the measures of K and L do not ∠ ∠change, but M and N are now congruent. ∠Use what you know about the angles of a quadrilateral to explain how this change affects the measure of M. Use words, ∠numbers, and/or symbols in your explanation.

Sample Responses:

http://mdk12.org/assessments/k_8/cr_itemprop/msa_math_7_032.html

Another Resource for CRA ACE the test

A method for answering questions

http://techknow.web.officelive.com/Documents/ACE_math_packet.pdf

Another Method Bright Hub offers a similar approach to

constructed response questions.  To understand and answer the constructed response essay question, memorize the acronym RACE:

Reword - Restate the question into a statement.

Answer - Give evidence or steps to show how you answered the question.

Cite - List the evidence or give examples to show support for your answer.

Explain - Explain how the evidence supports the answer, supply reasons your answer is correct.

One More Resource:

http://www.tn.gov/education/assessment/ConstructedResponseAssessment.shtml