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Building Fluency Within 10, 20

Building number fluency within 10 and 20 is a great way to hep students become more fluid with their thinking when it comes to addition and subtraction.  This HUGE 59 page book has many great activities to  help your students build their number sense and have a deeper understanding of your math objectives!  Head on over to my TpT store to check out more details!

Here are the activities that are included with this set:

* Matching 10:  Students are looking for numbers that can be added together to make the sum of 10.  (Follow up activity included!)

* Matching 20:  Students are looking for numbers that can be added together to make the sum of 20.  (Follow up activity included!)

* Make a Ten:  Students use the “Make a Ten” strategy to find answers to math sentences.  (Follow up activity included!)

* I have, Who Has:  3 different games included with enough cards to play with up to 27 students at one time!

– Game #1: Ten More: Double Digit Numbers

– Game #2: Ten More: Triple Digit Numbers

– Game #3: Ten More: Triple Digit Numbers Crossing Hundreds

* Math Tools Included:

– Double Ten Frame: 2 versions

– Hundred’s Chart (to 120): 4 versions

 

These activities can be used in conjunction with the following Common Core Standards:

Common Core Standards:

Kindergarten: K.OA.4 For any number from 1 to 9, find the number that makes 10 when added to the given number.

First Grade:  1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.

1.NBT.5  Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Second Grade:  2.OA.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

2.NBT.2  Count within 1000; skip-count by 5s, 10s, and 100s

2.NBT.8  Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900

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Please make sure you download our *FREE* Printing Tips by Classroom Canvas file to make sure the edges of the activities do not get cut off!

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