Previous Standard
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Next Standard
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.
Worksheets
![2.nbt.6 Worksheets - Four Addends (2 Digit) worksheet 2.nbt.6 Worksheets - Four Addends (2 Digit) worksheet](/math/addition/four addends (2 digit)/english/thumb.png)
![2.nbt.6 Worksheets - Four Addends (2 Digit) worksheet 2.nbt.6 Worksheets - Four Addends (2 Digit) worksheet](/math/addition/four addends (2 digit)/english/thumb.png)
![2.nbt.6 Worksheets - Three Addends (2 Digit) worksheet 2.nbt.6 Worksheets - Three Addends (2 Digit) worksheet](/math/addition/three addends (2 digit)/english/thumb.png)
![2.nbt.6 Worksheets - Three Addends (2 Digit) worksheet 2.nbt.6 Worksheets - Three Addends (2 Digit) worksheet](/math/addition/three addends (2 digit)/english/thumb.png)