K.OA.A.1

Represent addition and subtraction with objects, fingers, mental images, drawings (drawings need not show details, but should show the mathematics in the problem), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.

 
103 Lesson(s)
   

Ways to Make 7- A Lesson on Decomposing

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

After decomposing the numbers 1 to 6, this lesson brings in a new twist with a story that shows a fun way to look at the number 7!

 
Favorites (15)
 
Resources (16)
quack and count
   

Introducing the Minus Sign

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

Students will learn the meaning of the minus sign. The minus sign is introduced using a fun song!

 
Favorites (15)
 
Resources (18)
 
Reflections (1)
minus sign
   

Introducing the Equal Sign

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

Students will learn the meaning of the equal sign. Students will practice putting the symbols in the correct place in addition equations.

 
Favorites (3)
 
Resources (16)
 
Reflections (1)
equal sign
   

Solving Subtraction Number Stories- Under the Sea

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

When introducing subtraction, students can become easily overwhelmed with numbers and symbols. In this lesson, students will learn using cubes to solve subtraction word problems related to under the sea.

 
Favorites (10)
 
Resources (18)
 
Reflections (1)
under the sea subtraction picture
   

Solving Subtraction Number Stories- Writing the Answer Day 1

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

In order to share the answer to a word problem, it is common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve subtraction word problems but will also write the answe

 
Favorites (9)
 
Resources (18)
 
Reflections (1)
subtraction word problems writing answer day 1 picture
   

Solving Subtraction Number Stories- In Space

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

When introducing subtraction, students can become easily overwhelmed with numbers and symbols. In this lesson, students will learn using cubes to solve subtraction word problems about space.

 
Favorites (8)
 
Resources (18)
 
Reflections (1)
space subtraction
   

Subtracting from 4

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

We have 10 fingers, so when learning to subtract starting with a number less than 10 or equal to 10, students can use their fingers to help them. Manipulatives and drawings are helpful too!

 
Favorites (6)
 
Resources (18)
 
Reflections (1)
four
   

Subtracting from 5

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

We have 10 fingers, so when learning to subtract starting with a number less than 10 or equal to 10, students can use their fingers to help them. Manipulatives and drawings are helpful too!

 
Favorites (9)
 
Resources (18)
 
Reflections (1)
five
   

Solving Subtraction Number Stories- Writing the Answer Day 2

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

In order to share the answer to a word problem, it's common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve subtraction word problems but will also write the answer

 
Favorites (4)
 
Resources (18)
 
Reflections (1)
subtraction word problems writing answer day 2 picture
   

Reviewing the Equal Sign

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

Students will review the meaning of the equal sign. Students will practice putting the symbols in the correct place in subtraction equations.

 
Favorites (6)
 
Resources (18)
 
Reflections (1)
equal review
   

Subtracting from 6

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

We have 10 fingers, so when learning to subtract starting with a number less than 10 or equal to 10, students can use their fingers to help them. Manipulatives and drawings are helpful too!

 
Favorites (1)
 
Resources (18)
 
Reflections (1)
six
   

Math Centers - End of Year

Kindergarten Math » Unit: Numbers to 100
Kindergarten Math » Unit: Numbers to 100
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

At the end of the year, a lot is going on in our classroom. We continue our center routine for additional practice and to allow for end of the year testing to be completed.

 
Favorites (1)
 
Resources (23)
 
Reflections (1)
cookie
   

Addition Number Stories- Day 2

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

After reading If You Were a Plus Sign, students create their own number stories by representing addition using pictures and possibly equations.

 
Favorites (2)
 
Resources (16)
 
Reflections (1)
studnet work day 2
   

Subtraction Number Stories- Day 2

Kindergarten Math » Unit: Subtraction
Kindergarten Math » Unit: Subtraction
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

After reading If You Were a Minus Sign, students create their own number stories, by representing subtraction using pictures and possibly equations.

 
Favorites (2)
 
Resources (21)
 
Reflections (1)
subtraction example
   

Addition Number Stories- Day 3

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
Christina Yingling-Smith
Wilmington, DE
Environment: Urban
 
Big Idea:

After reading If You Were a Plus Sign, students create their own number stories by representing addition using pictures and possibly equations.

 
Favorites (2)
 
Resources (16)
 
Reflections (1)
studnet work day 3
Common Core Math
 
Something went wrong. See details for more info
Nothing to upload
details
close