Saturday Math STAAR review

Front

If Sarah spent 15 minutes routing 5 phone calls, how much time does she spend per call?

Back

3 minutes per call.

Front

If it took 7 hours to mow 4 lawns, how many lawns can be mowed in 1 hour?

Back

0.57 lawns per hour.

Front

What is the equation of a line with a slope of 1 and a y-intercept of 2?

Back

y = x + 2

Front

What is the result of -4 multiplied by 2?

Back

-8

Front

Which ratio is equivalent to 3:5?

Back

15:25, 9:15, and 30:50 are equivalent; 21:28 is not.

Front

How do you find the total time spent if you know the time per call and the number of calls?

Back

Multiply the time per call by the number of calls.

Front

What is the formula to find the slope of a line given two points?

Back

(y2 - y1) / (x2 - x1)

Front

If a lawn takes 7 hours to mow, how many lawns can be mowed in 35 hours?

Back

20 lawns.

Front

What does it mean for two ratios to be equivalent?

Back

They represent the same relationship between quantities.

Front

How do you simplify the expression -4(2)?

Back

-8.