Unit 2: Factors and Multiples

Which list of numbers contains all prime numbers?

• 11, 13, 31, 42

• 13, 17, 19, 29

• 17, 53, 64, 79

• 19, 23, 51, 67

A college recorded attendance for the first 4 games of a basketball season and placed the data in a table.

How does the digit 6 in Game 1 compare to the digit 6 in Game 4?

• The digit 6 in Game 1 is worth 10 times more than the digit in Game 4.

• The digit 6 in Game 1 is worth 10 times less than the digit 6 in Game 4.

• The digit 6 in Game 1 is work 20 times more than the digit 6 in Game 4.

• The Digit 6 in Game 1 is worth 20 times less than the digit 6 in Game 4.

Look at the pattern table.

What is the pattern?

• add 1, add 5

• add 1, add 10

• add 10, add 1

• add 10, add 5

Frances was skip counting by 8. What are the first 5 multiples of 8?

• 1, 8, 16, 24, 32

• 8, 16, 24, 32, 40

• 8, 16, 24, 36, 40

• 16, 24, 32, 40, 48

When rounded to the nearest thousand, which number will round to 25,000?

• 24,498

• 24,703

• 25,698

• 25,501

Last week, 6,487 people went to the movie theatre.

What is the value of 6 in 6,487?

• 6 - 6 ones

• 60 - 6 tens

• 600 - 6 hundreds

• 6,000 - 6 thousands

A coach counts off his players in groups of 6.

Which choice shows only the numbers the coach counts?

• 6, 12, 18, 24, 30

• 6, 13, 21, 30, 39

• 6, 12, 18, 25, 32

• 6, 16, 26, 36, 46

Is the number 54 prime, and why?

• Yes. The number 54 is prime because the only factors are 54 and 1.

• Yes. The number 54 is prime because it is even and can be divided by 2.

• No. The number 54 is not prime because the only factors are 54 an 1.

• No. The number 54 is not prime because it is even and can be divided by 2.

The Westside School Nature Club took a field trip to the Great Smokey Mountain National Park. The number of miles hiked by the 3rd and 4th graders is shown in the table.

If 121 total miles were hiked altogether by 3rd and 4th graders, which is the best method to find the number of total miles hiked by 3rd graders?

• Add 57 and 64

• Add 121 and 64

• Subtract 57 from 121

• Subtract 64 from 121

Marcus studied a chart with shaded numbers.

What would be the best title of the chart referring to the shaded numbers?

• Factors of 12

• Multiples of 12

• Composite Numbers between 1-100

• Prime Numbers Between 1-100