Patterns with Multiples

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Presentation transcript:

Patterns with Multiples

I can skip count to determine multiples of a given number. I can find the factors of a given number.

Skip Counting What does it mean to skip count? Can we skip count around the room by 2’s?

Today we are going to explore patterns as we skip count using a number line.

Student Chart

Skip Counting by 2’s The first step we need to complete our number line is to skip count by 2’s. As we count by 2’s we are going to color our dot red. We will be placing red sticky dots on our class number line. Make sure to place the dot directly above the number to make all red dots consistent. All red dots are multiples of 2. Using the word multiple, what do you see on your number line?

What is a multiple? What do you notice about multiples of 2?

Now let’s skip count by 3’s We will place green dots above all the multiples of 3.

Factors Name the factors of 6. What is a factor? What is another factor pair of 6? Why? Which other numbers are multiples of 2 and 3?

How are multiples and multiplication related? As we continue counting, which numbers do you predict will have the most factors? Why?

Finishing our Number Lines Group 1: Multiples of 5 and 10 Group 2: Multiples of 4 and 8 Group 3: Multiples of 11 Group 4: Multiples of 7 Group 5: Multiples of 6, 9, and 12

Some numbers have several factors. How do we describe these numbers? Discuss What are the relationships and similarities you see? What things stick out to you? Some numbers have only one dot above them or nothing at all. Why do you think this is the case? Some numbers have very similar factors. What are the factors of 4 and 8? What is similar and what is different? Some numbers have several factors. How do we describe these numbers?

Let’s Review... What is a factor? What is a composite number? What is a prime number? What is a factor? What are the multiples of 3? What is a composite number?