Arrays
Arrays always come in this shape.
What is a rectangle (or square)?
A number will always have its self and this number as a factor.
What is 1?
For a number to be prime it can only have these things.
What are one array and two factors (1 and itself)?
If you start with the number 2 and skip count by 2s, you are finding these.
What are multiples?
Ellie raised $8 dollars and Pierce raised 2 times as much as Ellie. Pierce raised this much money.
What is $16?
An array is a visual representation of this operation.
What is multiplication?
Factors are any 2 numbers that are combined to form a new number using this operation.
What is multiplication?
A composite number must have at least this many arrays.
What is two?
The number 25 has this many factors.
Danny read 4 books. Silvia read 5 times as many books as Danny. Silvia read this many books.
What is 20?
This number has an array that has 1 row and 4 columns OR 2 rows and 2 columns.
What is 4?
11 when paired with this number results in the multiple 77.
What is 7?
51 is this type of number.
What is a composite?
18 is not a multiple of 4. Therefore, 4 is not considered this for 18.
What is a factor?
John is 16 years old. He is 4 times older than his brother. This problem can be solved using this equation.
What is "? x 4 = 16" ?
Or
What is "16 / 4 = ?" ?
An array that has the same number of rows and columns is called this.
What is a Square Array?
One of 100s factor pairs is 4 x 25. Because 200 is a multiple of 100 we KNOW that it has a factor pair of 25 and this number.
What is 8?
For a composite number to be considered square it must have this.
What is an ODD number of factors?
To say 77 is a Prime number is a false statement. It's false because it has this many factors.
What is 4 (1, 7, 11, 77)?
Karl has 56 pencils to sharpen. He has 8 times as many pencils to sharpen as Queenie. This is the number of pencils Queenie has to sharpen.
What is 7?
The number 36 has this many arrays.
What is 5?
48 is a multiple of 16. This means that 48 and 16 share these.
What are Common Factors?
or
What are all the factors of 16?
This number is the only even prime number because it only has these 3 things.
What is 2 because it only has 1 array and 2 factors (1, 2)?
FINAL JEOPARDY: The Central Park Zoo has a rattle snake that is 6 feet long and a king cobra that is 5 feet longer than the rattle snake. The Bronx Zoo also has a rattle snake that is 6 feet long and a python that is 5 times as long as their rattle snake. This is the difference between the lengths of the Central Park Zoo Cobra and Bronx Zoo Python.
What is 19 feet
It takes Jacky 28 minutes to walk to school. It only takes him 4 minutes to walk upstairs to his classroom once at school. This multiplication equation could be used to figure out how many times longer it takes Jacky to walk to school than upstairs to his class.
What is "4 x ? = 28" ?