K.OA.A.2

Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

 
61 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
   

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 Addition Number Stories- In Space

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

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

 
Favorites (7)
 
Resources (17)
 
Reflections (1)
space addition pic
   

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
   

Solving Addition Number Stories- Under the Sea

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

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

 
Favorites (4)
 
Resources (17)
 
Reflections (1)
under the sea addition picture
   

Solving Addition Number Stories- Writing the Answer Day 1

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
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 addition word problems but will also write the answer.

 
Favorites (5)
 
Resources (17)
 
Reflections (1)
addition word problem writing anwer day 1
   

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
   

Solving Addition Number Stories- Writing the Answer Day 2

Kindergarten Math » Unit: Addition
Kindergarten Math » Unit: Addition
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 addition word problems but will also write the answer.

 
Favorites (4)
 
Resources (17)
 
Reflections (1)
addition word problems writing answer day 2 picture
   

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
   

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
Common Core Math
 
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