## Subtraction: Unknown Addend Problems

## Subtraction: Unknown Addend Problems

Subject:

Math, Operations and Algebraic Thinking

Type:

Half Day Lesson Plan

CCSS: 1.OA.4

Skills: Addition Commutative Property, Subtraction as Unknown Addends

Description: This fully scripted First Grade half day lesson plan is broken down into 2 separate segments (30-60 minutes each). These lessons address Operations and Algebraic Thinking: Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8 (1.OA.4).

## Fractions and Dividing in Half

## Fractions and Dividing in Half

Subject:

Geometry, Math

Type:

Half Day Lesson Plan

CCSS: 1.G.3

Skills: Fractions: Dividing Equal Shares/Parts, Half Fractions, Split Wholes Into Equal Parts, Identify Wholes that are Equally Split in Half, Divide Shapes in Half, Shade 1/2 ...

Description: This fully scripted First Grade half day lesson plan is broken down into 2 separate segments (45-60 minutes each). These segments address Geometry: Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. They also have the students describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares. (1.G.3).

## Tens and Ones: Numbers 11-19

## Tens and Ones: Numbers 11-19

Subject:

Math, Numbers and Operations in Base Ten

Type:

Half Day Lesson Plan

CCSS: K.NBT.1

Skills: Bundle Objects into Groups of Tens and Ones, Count by Tens and Ones, Guess Numbers in the Teens by Listening to Clues About the Number ...

Description: This fully scripted Kindergarten half day lesson plan is broken down into 2 separate segments (60 minutes each). These lessons address Numbers in Base Ten: compose and decompose numbers 11-19 into tens and ones (K.NBT.1.1).

## Count to Answer “How Many?”

## Count to Answer “How Many?”

Subject:

Counting and Cardinality, Math

Type:

Half Day Lesson Plan

CCSS: K.CC.5

Skills: Rote Counting Numbers 1-20, 1 to 1 Correspondence Counting 1-20, Counting up to 20 Items, Count to Answer "How Many of Something?"

Description: This fully scripted Kindergarten half day lesson plan is broken down into 2 separate segments (30-60 minutes each). The lessons address Counting and Cardinality: Count to answer “how many?” questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1-20, count out that many objects (K.CC.5).

## Decompose 10

## Decompose 10

Subject:

Math, Operations and Algebraic Thinking

Type:

Half Day Lesson Plan

CCSS: K.OA.4

Skills: Decompose 10, Writing Equations that Equal 10, Counting to Find Missing Addends

Description: This fully scripted Kindergarten half day lesson plan is broken down into 2 separate segments (30-60 minutes each). The lessons address Operations and Algebraic Thinking: 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.4).

## Counting Forward from Given Numbers

## Counting Forward from Given Numbers

Subject:

Counting and Cardinality, Math

Type:

Half Day Lesson Plan

CCSS: K.CC.2

Skills: Count Forward Beginning at a Given Number, Review Known Numbers 1-20

Description: This fully scripted Kindergarten half day lesson plan is broken down into 2 separate segments (30-60 minutes each). The lessons address Counting and Cardinality: Count forward beginning from a given number within the known sequence (instead of having to begin at 1) (K.CC.2).