Subtraction

Grade Levels
2nd
Product Rating
File Type
PDF (Acrobat) Document File
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6.97 MB   |   51 pages

PRODUCT DESCRIPTION

Make Math Centers a Snap!

This pack was created for the busy teacher. Unfortunately, as the demands on the classroom teacher grow, the time the teacher has to differentiate and create new materials has decreased. And THAT is Sadsville! That is where this pack comes in. Simply print the recording sheet and include the needed manipulative: instant math center!!

These printables are a simple way to incorporate centers during guided math without taxing the teacher’s time. There are several versions of the SAME skills. The activities are differentiated by difficulty level as well as the materials needed to complete each task. Please note that NO answer keys are included in this pack since students are generating their own problems.

The materials needed to complete these centers are:
• Dice
• Paper clip (for a spinner)
• Playing cards (face card and 10 removed)
• Base ten blocks

Included in this pack are:
• Counting Back
• Doubles
• Basic Facts
• Determining How Many More?
• Mental Subtraction with Two and Three Digit Numbers (Minus 10)
• Mental Subtraction with Two and Three digit Numbers (Minus 100)
• Mental Subtraction (Subtracting 10 or 100 mixed)
• Subtracting Two-Digit Numbers on a Hundreds Chart
• Subtracting Two-Digit Numbers with Base Ten Blocks
• Subtracting with Three-Digit Numbers with Base Ten Blocks
• Subtracting Two-Digit Numbers on an Open Number Line
• Subtracting Three-Digit Numbers on an Open Number Line
• Subtracting with Two-Digit Numbers with Place Value
• Subtracting with Three-Digit Numbers with Place Value

Common Core Standards addressed in this pack are:
• CCSS.MATH.CONTENT.2.NBT.A.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
• CCSS.MATH.CONTENT.2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
• CCSS.MATH.CONTENT.2.NBT.B.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
• CCSS.MATH.CONTENT.2.NBT.B.8 Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
• CCSS.MATH.CONTENT.2.NBT.B.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.1
• CCSS.MATH.CONTENT.2.OA.B.2 Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.


Happy Learning!
Mandy
mandyholland@hotmail.com
http://www.tips-for-teachers.com/
http://mandys-tips-4-teachers.blogspot.com/

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Total Pages
51
Answer Key
Not Included
Teaching Duration
N/A

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Subtraction
Subtraction
Subtraction
Subtraction