Double Digit Addition using Place Value Unit- Common Core

I created this unit to align with the Common Core standards. As a first grade teacher, I do not have the resources to teach addition with regrouping within 100 so I made my own! Even though this was made with first grade in mind, this would be great for a review at the beginning of second. The worksheets are great because there is a space beside the two digit numbers for students to draw the base ten representation to aid in solving the equation.
( All Centers include a cover/ directions page)
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This 56 page unit includes activities for 2 weeeks :
Lesson Task Analysis
Common Core Standard Addressed
Adding Multiples of Ten worksheet -includes base ten
Adding Tens Match Game-30 cards or 15 pairs
Race to 100- adding multiples of 10 game
Adding Tens with a 100 chart Activity- 30 equation cards
Adding Double Digit without Regrouping worksheet- includes base ten
Adding Double Digit without Regrouping worksheet with space to draw base ten
Adding Double Digit without Regrouping Center- 30 Number Cards
How Many Stars in Sixty Seconds- Partner game to practice grouping tens
First to Forty- Partner game to practice trading in ones for a ten
Adding with Regrouping worksheet- includes base ten
Adding Double Digit with Regrouping worksheet with space to draw base ten
Adding Double Digit with Regrouping Center- 30 Number Cards
Roll, Write, Add! -An independent activity to practice adding double digit numbers within 100.
Spin, Write, Add!- A partner game to practice adding within 100
A few links to interactive games that support this standard.