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- K.OA.A.1Represent 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.
- K.OA.A.2Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
- K.OA.A.3Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
- K.OA.A.4For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.
- K.OA.A.5Fluently add and subtract within 5.

Ways to Make 7- A Lesson on Decomposing

Kindergarten Math

» Unit:

Addition

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!

Introducing the Minus Sign

Kindergarten Math

» Unit:

Subtraction

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

Solving Subtraction Number Stories- Under the Sea

Kindergarten Math

» Unit:

Subtraction

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.

Solving Subtraction Number Stories- Writing the Answer Day 1

Kindergarten Math

» Unit:

Subtraction

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

Solving Addition Number Stories- In Space

Kindergarten Math

» Unit:

Addition

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.

Solving Subtraction Number Stories- In Space

Kindergarten Math

» Unit:

Subtraction

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.

Solving Addition Number Stories- Under the Sea

Kindergarten Math

» Unit:

Addition

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.

Solving Addition Number Stories- Writing the Answer Day 2

Kindergarten Math

» Unit:

Addition

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.

Solving Addition Number Stories- Writing the Answer Day 1

Kindergarten Math

» Unit:

Addition

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.

Subtracting from 5

Kindergarten Math

» Unit:

Subtraction

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!

Solving Subtraction Number Stories- Writing the Answer Day 2

Kindergarten Math

» Unit:

Subtraction

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

Subtracting from 4

Kindergarten Math

» Unit:

Subtraction

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!

Reviewing the Equal Sign

Kindergarten Math

» Unit:

Subtraction

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

Subtracting from 6

Kindergarten Math

» Unit:

Subtraction

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!

Subtraction Number Stories- Day 2

Kindergarten Math

» Unit:

Subtraction

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

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.

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.

K.OA.A.3

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

K.OA.A.4

For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.

K.OA.A.5

Fluently add and subtract within 5.