Study Buddies
Lee and Maria spend the weekend studying for an upcoming math test. The table
lists their scores for the first three math tests of the semester.
Student
Lee
Maria
Test # 1
75
92
Test # 2
100
x
Test # 3
100
88
Part A – Maria cannot remember what she scored on the second test, but she
knows that the sum of the three tests is 270. Write and solve an addition
equation to determine what she scored on her second test. Be sure to check the
solution as well.
Equation:
Solution:
Check:
Part B – In order to receive an A grade, students need to earn at least 450 total
test points. There are two more tests to take before the semester is over. Lee
wants to know what she needs to score on the next two tests to finish with an A.
Write and solve an equation to determine what score she needs to average on
the next two tests if each question is worth 1 point. Explain your reasoning.
Equation:
Solution:
Explanation:
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Part C – Consider the equation 5x = 8. Write a scenario pertaining to the girls
studying that is represented by this equation. Solve the equation and explain
what the answer represents.
Solution:
Scenario:
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