1.OA.C.5

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

 
26 Lesson(s)
   

Building Towers

1st Grade Math » Unit: Counting & Comparing
1st Grade Math » Unit: Counting & Comparing
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Get out your toolboxes and heavy machinery because today your are going to be Building Towers! Using vocabulary words like least,greatest, and "in order," the students will build cube towers of designated heights and then be asked to put them in order

 
Favorites (13)
 
Resources (15)
 
Reflections (2)
building
   

What is counting on?

1st Grade Math » Unit: Creating a Culture of Math
1st Grade Math » Unit: Creating a Culture of Math
Amanda Cole
New Orleans, LA
Environment: Urban
 
Big Idea:

Students play a mystery game to practice a counting on strategy. This is a great lesson to reach different kinds of learners!

Standards:
 
Favorites (17)
 
Resources (14)
 
Reflections (1)
dice
   

Addition and Subtraction Carnival

1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

So many things to do and so little time to do them in. Students will have the opportunity to challenge their addition and subtraction skills through a variety of activity choices.

 
Favorites (11)
 
Resources (19)
 
Reflections (1)
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Counting on to add

1st Grade Math » Unit: Single Digit Addition and Subtraction
1st Grade Math » Unit: Single Digit Addition and Subtraction
Lisa Murdock
Lakeland, FL
Environment: Urban
 
Big Idea:

Movin’ on up! Counting on is a strategy that can help foster mental math skills.

Standards:
 
Favorites (10)
 
Resources (12)
 
Reflections (1)
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Combine and Compare

1st Grade Math » Unit: Blending
1st Grade Math » Unit: Blending
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Blending is not just for ELA teachers! Today students will learn to "blend" (combine) two sets of dots and then compare the number to another using greater than by playing versions of previous learned activities.

 
Favorites (3)
 
Resources (17)
 
Reflections (1)
photo 12
   

Counting Back

1st Grade Math » Unit: Single Digit Addition and Subtraction
1st Grade Math » Unit: Single Digit Addition and Subtraction
Lisa Murdock
Lakeland, FL
Environment: Urban
 
Big Idea:

Smack down! In this lesson students will learn how to count back to subtract.

 
Favorites (8)
 
Resources (12)
 
Reflections (1)
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The Addition Rendition

1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

A plethora of addition activities is the underlying theme in this dramatic lesson in which students combine, count on, and record their thinking. This is the Addition Rendition.

 
Favorites (9)
 
Resources (19)
 
Reflections (1)
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Addition With Dice Dot Patterns

1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

You down with DOT (Yeah you know me) [x3] Who's down with DOT (Every last homie) You down with DOT (Yeah you know me) [x3] Who's down with DOT (All the homies) The student are engaged with a dot addition activity that is definitely not Naughty By Nature!

 
Favorites (5)
 
Resources (19)
 
Reflections (1)
lesson image
   

Is it addition or subtraction?

1st Grade Math » Unit: Addition Strategies
1st Grade Math » Unit: Addition Strategies
Jennifer Moon
Oklahoma City, OK
Environment: Urban
 
Big Idea:

Addition and subtraction facts are related, and my First Graders need more practice in using properties of operations to make decisions about equations. This lesson has them decide which operation is being completed to make the equation true.

Standards:
 
Favorites (13)
 
Resources (18)
 
Reflections (1)
lesson
   

How are They Different?

1st Grade Math » Unit: Counting & Comparing
1st Grade Math » Unit: Counting & Comparing
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Why is 2 greater than 3? Why is 12 greater than 8? The students will play two games that will ask the students to figure out which of two cards has more objects.

 
Favorites (3)
 
Resources (18)
 
Reflections (1)
photo 1
   

Act it out!

1st Grade Math » Unit: Creating a Culture of Math
1st Grade Math » Unit: Creating a Culture of Math
Amanda Cole
New Orleans, LA
Environment: Urban
 
Big Idea:

Students solve problems and begin to explore the "counting on" strategy!

 
Favorites (4)
 
Resources (15)
 
Reflections (1)
img 0099
   

"Kickin' Back" Retired Style

1st Grade Math » Unit: Counting & Comparing
1st Grade Math » Unit: Counting & Comparing
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

What better way to take it easy then to play America's favorite retiree game BINGO! The students will work with the idea of adding one and subtracting one from numbers 1-10.

 
Favorites (3)
 
Resources (30)
 
Reflections (4)
photo
   

Quick Flash

1st Grade Math » Unit: Counting & Comparing
1st Grade Math » Unit: Counting & Comparing
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Now you see it, now you don't! It is not magic but the students' explanations can be magical. Students will be flashed a group of dots and have to identify how many were shown.

 
Favorites (3)
 
Resources (18)
 
Reflections (1)
photo 11
   

Ideas on Subtraction

1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Story Problems, Subtraction Bingo, Dice, and Recording Sheets, it's a world of subtraction and opportunity is the key. Students are engaged in the subtraction concept through a variety of learning activities.

 
Favorites (9)
 
Resources (23)
 
Reflections (1)
lesson image
   

How Many In Your Box?

1st Grade Math » Unit: Counting & Comparing
1st Grade Math » Unit: Counting & Comparing
Thomas Young
Waitsfield, VT
Environment: Suburban
 
Big Idea:

Is it Box A or is it Box B? Maybe it is Box C? Which box has 18 items in it? The students are engaged in a counting activity in which pairs count and record the number of items in a collection box.

 
Favorites (5)
 
Resources (20)
 
Reflections (1)
photo 28
Common Core Math
 
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