Learning two digit addition with regrouping and without regrouping can be confusing for struggling learners. Make it easy to understand by adding tens and ones together and using base ten blocks worksheets. This no prep unit makes adding 2 double digit numbers with regrouping easy and fun to master!

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Build up to 2 Digit Addition with Regrouping Sequentially

Follow this sequence to work up to more challenging skills:

1. Use tens and ones blocks pictures
2. Draw tens and ones blocks
3. Use place value
4. Use the standard algorithm

Within each of those levels, start with easier numbers and work up to harder numbers:

• double digit to single digit addition without regrouping (23 + 5)
• double digit to single digit addition with regrouping (47 + 8)
• double digit to double digit addition without regrouping (31 + 34)
• double digit to double digit addition with regrouping (58 + 27)

Features:

• 45 worksheets
• no-prep, just print & go!
• basic two digit addition using place value and base ten (with and without regrouping)
• 4 sections that build off of each other to grow understanding

Each Section Includes:

• Pre-requisite practice

• Practice solving double to single digit addition (with and without regrouping)

• Practice solving double to double digit addition (with and without regrouping)

Section Overviews:

The sections and what they cover are listed below. See the preview for examples of worksheets included.

1. Adding Using Tens and Ones Blocks

-Making groups of ten

-Adding double digit to single/double digit, without regrouping

-Adding double digit to single/double digit, with regrouping

2. Adding by By Drawing Tens and Ones Blocks

-Drawing numbers with tens and ones

-Adding double digit to single/double digit, without regrouping

-Adding double digit to single/double digit, with regrouping

3. Adding Using Place Value

-Identifying tens and ones in place value

-Adding double digit to single/double digit, without regrouping

-Adding double digit to single/double digit, with regrouping

4. Adding Using the Standard Algorithm

-Setting up problems

-Adding double digit to single/double digit, without regrouping

-Adding double digit to single/double digit, with regrouping

Common Core Standards Covered:

1.NBT.B.2

1.NBT.B.2.a

1.NBT.B.2.b

1.NBT.B.2.c

1.NBT.C.4

2.NBT.B.5

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