We can use mental math to quickly group numbers together, such as addends that equal 10 or double numbers, to add first. Whether working as a cashier, trying to pass the G.E.D., or just wanting to add quickly, this video and the linked videos below will help you.

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2nd Grade Math 3.1, Use Doubles Facts to Add
   • 2nd Grade Math 3.1, Use Doubles Facts...  

2nd Grade Math 3.3, Make a Ten to Add
   • 2nd Grade Math 3.3, Make a Ten to Add  

2nd Grade Math 4.1, Break Apart Ones to Add
   • 2nd Grade Math 4.1, Break Apart Ones ...  

2nd Grade Math 4.2, Use Compensation to Add 2Digit Numbers
   • 2nd Grade Math 4.2, Use Compensation ...  

2nd Grade Math 4.3, Break Apart Addends as Tens and Ones
   • 2nd Grade Math 4.3, Break Apart Adden...  

3rd Grade Math 1.4, Mental Math Strategies for Addition
   • 3rd Grade Math 1.4, Mental Math Strat...  

3rd Grade Math 1.6, Use the "Break Apart" strategy to add
   • 3rd Grade Math 1.6, Use the "Break Ap...