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##### CRA TEST PREP

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**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_itemprop/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.**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.**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.**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 AWhat 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