4th Grade Math
Multiplication and Division of Whole Numbers
Unit 2
Practice Post!
Practice Post!
Try out these practice problems to review Unit 6!
Try out these practice problems to review Unit 6!
What is 23 x 13? Do it on a sheet of paper!
What is 23 x 13? Do it on a sheet of paper!
299. If you did not get this answer, double check your work! Or go back and watch the videos in Unit 2!
What are the factors of 12? Make a factor rainbow!
What are the factors of 12? Make a factor rainbow!
The factors of 12 are 1, 2, 3, 4, 6, and 12. When you make a factor rainbow, you find that these are numbers that can be multiplied to make 12.
Is 23 a prime number?
Is 23 a prime number?
Yes it is. There is nothing you can multiply to get 23 other than 23 x 1. Remember, prime numbers are numbers that can only be made by multiplying themselves by 1.
Observation Station
Observation Station
Let's observe some more examples!
Let's observe some more examples!
First estimate this problem. What is the closest estimate? Next, find the whole answer to the problem.
First estimate this problem. What is the closest estimate? Next, find the whole answer to the problem.
A close estimate to this problem could be 1,200 or lower.
When you do the problem, you find that the answer is 1,003.
What is the next number in each pattern?
What is the next number in each pattern?
21
37
26
51
What is the answer to this long division problem?
What is the answer to this long division problem?
39.
Chapter Challenge
Chapter Challenge
Up to the challenge to test your knowledge? Yeah you are!
Up to the challenge to test your knowledge? Yeah you are!
How did you do? Tell us in your ClassDojo!
How did you do? Tell us in your ClassDojo!
Click on the button to find your name and enter your points!
Feelings Forward
Feelings Forward
How did you feel about this unit? Tell us in the form below!
Play-palooza
Play-palooza
Ready to have fun with these practice games?
Ready to have fun with these practice games?