Use multiplication as a check for division
Objectives
Student will be able to:
check division quotients using multiplication.
Exercises
Complete the exercises. Show all work.
1.
Is the quotient correct or incorrect? If it is incorrect, give the correct answer.
The answer is incorrect.
The correct answer is 2 R2.
Check student's work.
1
.
Correct
Incorrect
Not Assigned
2.
Is the quotient correct or incorrect? If it is incorrect, give the correct answer.
The answer is incorrect.
The correct answer is 14 R4.
Check student's work.
2
.
Correct
Incorrect
Not Assigned
3.
Is the quotient correct or incorrect? If it is incorrect, give the correct answer.
The answer is correct.
Check student's work.
3
.
Correct
Incorrect
Not Assigned
4.
Dina took a math test. This division problem was the first problem on the test.
Check Dina's work using multiplication. Is the quotient correct? If not, what is the correct answer?
The answer is incorrect.
The correct answer is 3 R20.
Check student's work.
4
.
Correct
Incorrect
Not Assigned
5.
Jason has a box of 76 crackers. He wants to divide them evenly among his 5 friends. He calculates that he can give each friend 15 crackers and that he will have 1 cracker left over.
Check Jason's work using multiplication. Is he correct? If not, what is the correct answer?
The answer is correct.
Check student's work.
5
.
Correct
Incorrect
Not Assigned
6.
Ernie has 55 tennis balls and 18 tennis ball cans. He is going to put 3 tennis balls in each can. He calculates that he will have 4 tennis balls left over.
Check Ernie's work using multiplication. Is he correct? If not, what is the correct answer?
The answer is incorrect.
The correct answer is 3 R1.
Check student's work.
6
.
Correct
Incorrect
Not Assigned