## Mr. Rodney

### Target 1​

###### Lesson Type:

New

Number Operation

:

Integer Composition

Understand that a number can be decomposed into its factors.

###### 1:

Understand factor pairs as two whole numbers that multiple together to get one product.

###### 2:

Define Least Common Multiple (LCM).

###### 3:

List the LCM for two whole numbers.

6th

###### Vocabulary:

Prime Number, Composite Numbers, Least Common Multiple (LCM), Factors, Multiples, Prime Factorization

Activities:

• Defined vocabulary terms using words that are accurate yet meaningful.
• Determined if a given number less than 100 was prime or composite.
• Made a factor tree to find the prime factorization of a given number.
• Listed the multiples of 2-3 chosen numbers to determine their Least Common Multiple, using skills such as skip coiunting, repeated addition, and/or multiplication.
• Practiced using prime factoriation to easily calculate the LCM of 2-3 given numbers.
• Used learn strategies dealing with prime factorization and LCM to solve related word problems.

### Home Exploration

###### Challenge Problem:

Part 1: Make a factor tree to determine the prime factorization of the following numbers:

1) 18

2) 32

3) 42

4) 65

5) 96

Part 2: Find the LCM of the given sets of numbers:

1) 4 & 15

2) 12 & 32

3) 8, 10, & 15

###### Guiding Questions:

Ruhi

Part 1:
1) 18= 2 x 3 x 3
2) 32= 2 x 2 x 2 x 2 x 2
3) 42= 2 x 3 x 7
4) 65= 5 x 13
5) 96= 2 x 2 x 2 x 2 x 2 x 3

Part 2: Find the LCM of the given sets of numbers:
1) LCM of 4 & 15 = 60
2) LCM of 12 & 32 = 96
3) LCM of 8, 10, & 15 = 120

:

Activities:

: