Unit 2: The Structure of Numbers

What are all prime numbers divisible by?

• 1, 2, and itself

• 
  Every number from 1-10

• 1 and itself

• 
  They aren't divisable at all

Tags

CCSS.4.OA.B.4

Is 33 a prime or composite number?

• prime

• composite

Find the prime number

• 10

• 7

• 9

• 4

Which list has only prime numbers?

• 
  2, 3, 4, 5

• 1, 5, 7, 9

• 
  2, 3, 5, 7

• 
  2, 4, 6, 8

Use a number tree to find the prime factorization of 48

• 4x2x6

• 3x2x2x2x2

• 4x2x2x3

• 12x4

Using order of operations, which calculation should be done second to simplify this expression?

• 
  multiply

• subtract

• divide

• 
  add

What is the first operation that should be performed to evaluate this expression?

79 - 5 + 42 + 17

• 5 + 59

• 74 + 42

• 
  47 + 17

• 79 - 5

Tags

CCSS.6.NS.B.3

Solve this expression using the order of operations.

6 + (5 • 6) ÷ 2

• 
  21

• 66

• 18

• 33

Tags

CCSS.6.NS.B.3

This sample space shows all of the possible combinations of one type of drink and one type of snack that Leslie can choose. What is the total number of outcomes?

water, apple

water, cheese

water, pretzels,

water, bananas

juice, apple

juice, cheese

juice, pretzels

juice, banana

• 9

• 7

• 8

• 6

Tags

CCSS.7.SP.C.8

Francis made the following chart showing the lunch choices available on a field trip.

Based on the information in the chart, which tree diagram shows all of Francis' possible combinations?

• 
• 
• 
• 

Tags

CCSS.7.SP.C.8