4.OA.B.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.

 
56 Lesson(s)
   

Subtracting Large Numbers within a Context

4th Grade Math » Unit: Place Value
4th Grade Math » Unit: Place Value
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

Students will solve subtraction problems within a context using a tape diagram.

 
Favorites (14)
 
Resources (12)
 
Reflections (1)
word problem
   

Prime and Composite Numbers

4th Grade Math » Unit: Multiplying and Dividing
4th Grade Math » Unit: Multiplying and Dividing
Rose Monroe
Memphis, TN
Environment: Urban
 
Big Idea:

Knowing multiplication facts can help students identify numbers as prime or composite.

Standards:
 
Favorites (6)
 
Resources (15)
 
Reflections (1)
prime and composite
   

Factors & Multiples

6th Grade Math » Unit: Number Sense
6th Grade Math » Unit: Number Sense
Michelle Braggs
Jonesboro, GA
Environment: Urban
 
Big Idea:

Students explore a factory of factors and multiples to build number sense and conceptual understanding.

 
Favorites (15)
 
Resources (21)
 
Reflections (1)
factors multiples
   

Factor Pairs, Arrays, Patterns and Fun! Building factor pairs to 50

4th Grade Math » Unit: Concepts of Multiplication
4th Grade Math » Unit: Concepts of Multiplication
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

A hands-on lesson where students learn how to create factor pairs, arrays, and find prime, square and composite numbers by discovery.

 
Favorites (15)
 
Resources (18)
 
Reflections (2)
   

Finding Factors and Prime Numbers

4th Grade Math » Unit: Multiplication with Whole Numbers
4th Grade Math » Unit: Multiplication with Whole Numbers
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

Students will compose and decompose numbers using a factor tree.

 
Favorites (20)
 
Resources (9)
 
Reflections (1)
factor tree
   

How To Easily Find All Those Factor Pairs

4th Grade Math » Unit: Concepts of Multiplication
4th Grade Math » Unit: Concepts of Multiplication
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Students learn to list factor pairs through the use of a dynamic website that uses grid lines and a listing strategy. They will discover how to find the missing factor of those factor pairs ( basic facts) that they don't know through using arrays.

 
Favorites (12)
 
Resources (12)
 
Reflections (1)
student
   

Multiplication arrays

4th Grade Math » Unit: Multiplication with Whole Numbers
4th Grade Math » Unit: Multiplication with Whole Numbers
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

Students model arrays and make connections to the associative property when multiplying ones and tens.

 
Favorites (39)
 
Resources (14)
 
Reflections (1)
factor vocab notebook
   

Multiplication and First Quarter Assessment

4th Grade Math » Unit: Multiplication with Whole Numbers
4th Grade Math » Unit: Multiplication with Whole Numbers
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

Students will take an assessment to demonstrate current skill level.

 
Favorites (15)
 
Resources (23)
 
Reflections (1)
multiplication assessment
   

Multiplication and Problem Solving to Make Bracelets Day 2

4th Grade Math » Unit: Multiplication with Whole Numbers
4th Grade Math » Unit: Multiplication with Whole Numbers
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

Students create a bracelet after they've planned their design using multiplication skills and strategies.

 
Favorites (50)
 
Resources (8)
 
Reflections (1)
student working on
   

Multiples in a Minute

5th Grade Math » Unit: Multiplication Madness
5th Grade Math » Unit: Multiplication Madness
Cathy Skinner
Scottsdale, AZ
Environment: Urban
 
Big Idea:

Understanding multiplication is repeated addition is the first step in understanding the concept.

 
Favorites (4)
 
Resources (16)
 
Reflections (1)
mme
   
4th Grade Math » Unit: Division Unit
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Using an interactive website, students use the Sieve of Eratosthenes to help them discover prime numbers, understand divisibility and inverse relationships between multiplication and division.

 
Favorites (2)
 
Resources (20)
 
Reflections (3)
the sieve
   

Multiplication Array Part II Filling It In

5th Grade Math » Unit: Multiplication Madness
5th Grade Math » Unit: Multiplication Madness
Cathy Skinner
Scottsdale, AZ
Environment: Urban
 
Big Idea:

A multiplication array is a visual representation of the multiplication concept that is easy for most students to understand and use.

 
Favorites (5)
 
Resources (21)
 
Reflections (3)
chocolates
   

Prime, Composite and Square Numbers

4th Grade Math » Unit: Concepts of Multiplication
4th Grade Math » Unit: Concepts of Multiplication
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Students learn how to think about whole numbers from 1-100 as being prime, composite or square numbers.

 
Favorites (3)
 
Resources (9)
 
Reflections (1)
factor pair
   

Try, Check, Revise

4th Grade Math » Unit: Problem-Solving Strategies
4th Grade Math » Unit: Problem-Solving Strategies
Rose Monroe
Memphis, TN
Environment: Urban
 
Big Idea:

When you come up with an answer, you need to check it. If it is not corerct, go back and revise to find the correct answer.

 
Favorites (3)
 
Resources (12)
 
Reflections (1)
try check revise
   

Quiz 2: Area & Perimeter Word Problems Using Metric Measurement

4th Grade Math » Unit: Metric Measurement
4th Grade Math » Unit: Metric Measurement
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Students take a quiz to help measure their progress in solving word problems involving area and perimeter using metric measurement.

 
Resources (7)
 
Reflections (1)
garden photo
Common Core Math
 
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