Mr. C’s Math Challenge Lessons
Lesson 131 Can you figure this? Mr. Hart’s electric bill was $ in January, $ in February, and $75.42 in March. 1.What was his average (mean) electric bill for these three months?
Lesson 132 Can you figure this? The cost of three jump ropes is $ What is the cost of one jump rope? 2.What is the cost of six jump ropes?
Lesson 133 Can you figure this? The doctor told Michelle to take her medicine every four hours. If she takes the medicine at 8:15 a.m., what are the next four times she should take the medicine?
Lesson 134 Can you figure this? The cost of six oranges is $ What is the cost of one orange? 2.What is the cost of 24 oranges?
Lesson 135 The train was scheduled to arrive at 5:30 p.m. It actually arrived at 6:45 p.m. 1.How many minutes was the train late? Can you figure this?