Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making...

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Prime Time 1.1 Finding Proper Factors •Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more points than your opponent. •Record your “First Move” scores in a T-Chart As you play, write down any strategies or patterns that you find.

Transcript of Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making...

Page 1: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Prime Time 1.1 Finding Proper Factors

•Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more points than your opponent.•Record your “First Move” scores in a T-Chart• As you play, write down any strategies or patterns that you find.

Page 2: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Double Check

• How can you test to determine whether a number is a factor of another number?

• If you know one of the factors of a number, can you find another factor?

Page 3: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Question

• What is the term for a number that has many factors?

Page 4: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Composite!

• A composite number is a number that has more than two factors.

• What is the term for a number that has only two factors?

Page 5: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Prime!

• A prime number has only two factors!

• Can you think of examples of prime numbers?

• Is the number 1 prime?

• Is the number 9 prime?

Page 6: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Copy T-Charts and solve.

• Check your work with factor pairs!

• Circle all prime numbers and box composite numbers.

Page 7: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

Homework

• On a sheet of notebook paper, draw and solve Factor Pair T-Charts for the following numbers:

• 10, 12, 15, 28, 30, 39, 42, 48, 60, 72, 80

• Remember: Include all factor pairs! Use your “Double Check” methods!

Page 8: Prime Time 1.1 Finding Proper Factors Play the Factor Game once with a partner. Take turns making the first move. Look for moves that will give you more.

The Product Game!

• Think: Factor Pairs

• Remember:

Factor x Factor = Product