| Prime Time: Investigation 1: Factors And Products | 
|  | MMS Math
Essentials &
Vocabulary  Vocabulary on this page Parents Help Links on this page | 
The Did You Know? feature supports Problems by providing interesting facts related to the context of the Investigation.
The links below provide more information about each of these topics in your textbook.
Factors
 Factor Tree – Factor numbers using a tree diagram.
 Factor Tree – Factor numbers using a tree diagram. Sieve of Eratosthenes – Relate number patterns with
visual patterns.
 Sieve of Eratosthenes – Relate number patterns with
visual patterns. Crazy
Taxi M-12  This is one of
our most fun games.  But, you REALLY have to know your times
tables to do well.  Before each level, I run through my multiples
in my head!
 Crazy
Taxi M-12  This is one of
our most fun games.  But, you REALLY have to know your times
tables to do well.  Before each level, I run through my multiples
in my head! Math Lines    This is just like our Marble Lines game, but we've made it an
addition game.  You have to shoot the ball that makes the right
sum.
 Math Lines    This is just like our Marble Lines game, but we've made it an
addition game.  You have to shoot the ball that makes the right
sum. Math
Lines: Xfactor 
This is the same as Math Lines, but you need to really know your times
tables and higher multiples for this one.
 Math
Lines: Xfactor 
This is the same as Math Lines, but you need to really know your times
tables and higher multiples for this one. Arithmetic
Game In this timed game, how fast can you
pick out numbers from the grid that complete the missing spots in an
equation?
        Arithmetic
Game In this timed game, how fast can you
pick out numbers from the grid that complete the missing spots in an
equation? Make 15, Make 24  Compete against the computer to
see who can pick numbers that add up to 15 first.
 Make 15, Make 24  Compete against the computer to
see who can pick numbers that add up to 15 first.  
         Math ManThis is a Pac Man type game, but
you have to eat the monster that solves the math equation.
 Math ManThis is a Pac Man type game, but
you have to eat the monster that solves the math equation. Math
Search In this game, you're given an
arithmetic problem to solve...  Once you find the answer, you have
to find it on the grid of numbers - like in a word search game.
        Math
Search In this game, you're given an
arithmetic problem to solve...  Once you find the answer, you have
to find it on the grid of numbers - like in a word search game. Number
BallsThis is
a pretty simple game.  You just click on the balls following the
numbers on them from lowest to highest.
 Number
BallsThis is
a pretty simple game.  You just click on the balls following the
numbers on them from lowest to highest. Number
Monster This was the first game I ever
made.  Really, it's more of a math practice thing than a
game.  But, it makes practicing a lot more fun.
 Number
Monster This was the first game I ever
made.  Really, it's more of a math practice thing than a
game.  But, it makes practicing a lot more fun. Number
Twins  This is like our game, Twins, but we put numbers on the
balls.  You have to match up numbers (like in our game Shisen) to
make the correct sums.
 Number
Twins  This is like our game, Twins, but we put numbers on the
balls.  You have to match up numbers (like in our game Shisen) to
make the correct sums. Subtraction
Blast  I've played this game
until my arms were sore.  It's great arithmetic practice while you
get to shoot stuff.  Can life get much better than that?
 Subtraction
Blast  I've played this game
until my arms were sore.  It's great arithmetic practice while you
get to shoot stuff.  Can life get much better than that? The
Timernator  How fast can you do
arithmetic?  Well, with this game, you can find out!  See how
many addition, subtraction, multiplication and division problems can
you do in a minute?
 The
Timernator  How fast can you do
arithmetic?  Well, with this game, you can find out!  See how
many addition, subtraction, multiplication and division problems can
you do in a minute?|  | Number Line Bounce – Number line addition and subtraction game. | 
|  | Number Puzzles – Solve puzzles involving arranging numbers on a diagram so that they add up to a given value. | 

Concept
with Explanation
Selected
Homework from ACE
In Prime Time students will explore certain important properties of whole 
numbers, especially those related to multiplication and division. The 
investigations in this unit will help students to:
| Vocabulary | 
| Picture | Vocabuary |