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# Algebra 1 - L33

Products of Prime Factors. Statements about Unequal Quantities

by

Tweet## David Kumm

on 5 November 2012#### Transcript of Algebra 1 - L33

Algebra 1 - Lesson 33 Products of Prime Factors.

Statements about Unequal Quantities Express 147 as a

Product of Prime Factors. Statements about Unequal Quantities Products of Prime Numbers Write the following products...

Use Exponents Try another: Twice a number is 42 less than - 102

Find the number. One more example: Products of Primes:

Two Strategies Factor Tree (4)(4)(4)(x)(x)(g)(t) = 64gtx Five times a number is 72 greater than

the opposite of the number.

Find the number: Direct Translation... be sure to ask questions as you go... If the sum of twice a number and -14

is multiplied by 2, the result is

12 greater than the opposite of the number. Find the number. Prime Numbers:

Numbers with ONLY TWO factors: 1 and itself. Composite Numbers: Numbers with MORE THAN TWO factors. Division by Primes Express 80 as a Product of Prime Factors: 80 2 40 2 20 2 10 2 5 80 2 40 2 20 2 10 2 5 So: 80= 2 x 2 x 2 x 2 x 5 (-2)(5)(5)(x)(x)(x)(y)(y)= 2 Twice a number = 2n is means = 42 less than = - 42 42 less than what?

- 102. So -102 - 42 Put it all together:

2n = -102 - 42 Solve for n:

2n = -144

n = -72 Assignment:

Product of Prime Numbers WS

Unequal Quantities WS

Double Sided Worksheet

Full transcriptStatements about Unequal Quantities Express 147 as a

Product of Prime Factors. Statements about Unequal Quantities Products of Prime Numbers Write the following products...

Use Exponents Try another: Twice a number is 42 less than - 102

Find the number. One more example: Products of Primes:

Two Strategies Factor Tree (4)(4)(4)(x)(x)(g)(t) = 64gtx Five times a number is 72 greater than

the opposite of the number.

Find the number: Direct Translation... be sure to ask questions as you go... If the sum of twice a number and -14

is multiplied by 2, the result is

12 greater than the opposite of the number. Find the number. Prime Numbers:

Numbers with ONLY TWO factors: 1 and itself. Composite Numbers: Numbers with MORE THAN TWO factors. Division by Primes Express 80 as a Product of Prime Factors: 80 2 40 2 20 2 10 2 5 80 2 40 2 20 2 10 2 5 So: 80= 2 x 2 x 2 x 2 x 5 (-2)(5)(5)(x)(x)(x)(y)(y)= 2 Twice a number = 2n is means = 42 less than = - 42 42 less than what?

- 102. So -102 - 42 Put it all together:

2n = -102 - 42 Solve for n:

2n = -144

n = -72 Assignment:

Product of Prime Numbers WS

Unequal Quantities WS

Double Sided Worksheet