U1W3 Lesson 2

This week, students continue Number Worlds, Level F, Number Sense. Students will explore prime numbers and break whole numbers down into various factors. Skills Focus

• Find factor pairs of a whole number, and understand that many whole numbers break down in different ways.
• Use area models to list the factors of a whole number and determine prime numbers.
• Determine whether an expression is a prime or a composite.
• Determine if a given number is a factor of another.

https://connected.mcgraw-hill.com/school/h4b2

Objective: SWBAT......

Students can find factor pairs and understand that many whole numbers break down in different ways.

Standard

4.OA.4 Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

Vocabulary

• factor
• multiplication
• prime number
• product
• Factor Pair

Activity:
Multiplication Chart
SWB pg 32, 33
Factor Factory (Building Blocks)
Practice U1W3L2

Debrief:
Factors exit slip

Homework:
None