Standard Algorithm
356.89 + 98.6
455.49
Jason and his friends are going on a road trip that is 687.5 miles long. They have already driven 476.25 miles. How much further do they have to drive?
They still have to drive 211.25 miles.
Mr. Mayfield was given the problem 15.5 x 12.1, without solving the problem, he claimed that his answer will have a decimal in the thousandTHS place. Is he correct? HOW DO YOU KNOW????
He is wrong, both numbers have a digit in the Tenths place. This means that your final answer should be in the hundredths place.
678.4 - 234.98
443.42
Joe needs to replace two sides of his fence. One side is 315.9 meters long, and the other side is 345.03 meters long. How much fence does Joe need to buy?
Joe needs to buy 660.93 meters of fence.
Mr. Corcoran is given the problem, 24.5 x 19.67, and says that the answer is 48.1915. Is he correct and HOW DO YOU KNOW?
He is wrong, his decimal is in the wrong place, it should be between the 1 and 9. Also, 24 x 19 being 48 does not make sense, the number should be much higher!
87.231 x 99.9
8,714.3769
The principal of Larkin High School wants to buy a new cover for the sand pit used in the long-jump competition. He measured the sand pit and found that the length is 29.2 feet and the width is 9.8 feet. What will the area of the new cover be? DON'T FORGET YOUR CORRECT UNITS!!
The cover will be 286.16 ft2.
Mr. Mayfield is solving the problem 32.43 x 12.9 and got the answer 126.477. When he types it into his calculator he gets a different answer. What is the correct answer AND where is Mr. Mayfield's mistake?
Mr. Mayfield forgot to put 2 0's when moving over to the Tens place! The correct answer should be 418.347
Using the equation below, create a story problem that requires multiplying the 2 numbers together. Then solve.
54.25 x 17.5 = ?
949.375