# Tutor profile: David B.

## Questions

### Subject: Pre-Algebra

Given the equation 2x + 4y = 8, find the slope and y-intercept.

Since the equation is in Standard Form Ax + By = C, A=2, B=4, C=8. The slope is found by the formula -A/B which equals -2/4 = -1/2. The y-intercept is found by the formula C/B which equals 8/4 = 2.

### Subject: Basic Math

Jim drove 250 miles in five hours. What was his average rate of speed?

50 miles per hour. Distance = Rate x Time. Solving for Rate results in Distance/Time = Rate. Substituting the values of Distance and Time yields 250 miles/5 hours = 50 miles/per hour.

### Subject: Education

A fourth-grade student has an intellectual and behavioral disability and is trying to understand how multiplication and division are related. The student is a tactile/kinesthetic learner. Devise an approach that could be taken to reinforce the lesson for the student?

A series of an equal number of blocks (squares and circles) are set up by the paraprofessional. Example five squares and circles are utilized. The paraprofessional counts out loud with the student the five squares from right to left starting with 25 and ending on five thus signifying 25/5 = 5 (subtracting by five each time). Then, the procedure is reversed with the paraprofessional counting out loud with the student the five circles from left to right starting with five and ending with 25 thus signifying 5*5=2 5 (adding by five each time). Thus, the relationship between multiplication and division is established.

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