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More about FACTORS. DIVISIBILITY . Brain Tickler. Which of the following numbers are factors of 36? 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10? Write the multiplication facts you know for 36. Answers:. Which of the following numbers are factors of 36?

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## More about FACTORS

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**More about FACTORS**DIVISIBILITY**Brain Tickler**• Which of the following numbers are factors of 36? 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10? • Write the multiplication facts you know for 36.**Answers:**• Which of the following numbers are factors of 36? 1, 2, 3, 4, 5, 6, 7, 8,9, and 10? • Write the multiplication facts you know for 36. 1x36; 2x18; 3x12; 4x9; 6x6**Determining Factors**How do we know 4 is a factor of 36?**Determining Factors**How do we know 4 is a factor of 36? Because 4 * 9 = 36 Therefore, 4 and 9 are FACTORS of 36.**Determining Factors**How do we know 5 is NOT A FACTOR Of 36?**Determining Factors**How do we know 5 is NOT A FACTOR of 36? 5 x = 36 There is NO whole number times 5 that equals 36.**Connecting Arrays and Factors**If a number can be represented by a rectangular array with 2 rows, what true statements can we make about the number?**Connecting Arrays and Factors**If a number can be represented by a rectangular array with 2 rows, what true statements can we make about the number? • 2 is a factor • The number is an EVEN NUMBER • The number is DIVISIBLE by 2**Connecting Arrays and Factors**If a number can be represented by a rectangular array with 2 columns, what true statements can we make about the number?**Connecting Arrays and Factors**If a number can be represented by a rectangular array with 2 columns, what true statements can we make about the number? • 2 is a factor • The number is an EVEN NUMBER • The number is DIVISIBLE by 2**Connecting Arrays and Factors**Suppose a number cannot be represented by an array with 2 rows or 2 columns? For instance, why can’t 3 be represented by an array with 2 rows?**Connecting Arrays and Factors**Suppose a number cannot be represented by an array with 2 rows or 2 columns? For instance, why can’t 3 be represented by an array with 2 rows? • 3 is an ODD Number • 3 is notDivisible by 2 • 2 is not a factor of 3**Does multiplication have a relationship to division? 4 x 3**= 12**YES, 8 is a FACTOR 48 pennies ÷ 8 rows =**6 pennies per row**MAIN IDEA:**A number is DIVISIBLE BY another number if the result of the division is: • A whole number • With A remainder of ZERO ----------------------------------------- Example: 28 is divisible by 7 28 ÷ 7 = 4 r 0 Therefore, 7 is a FACTOR of 28**FACTOR CAPTOR**• Practice your skill in finding factors by playing FACTOR CAPTOR: http://illuminations.nctm.org/ActivityDetail.aspx?ID=12 You may change “opponent” and “game type”.

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