Addition With Expanded Form

How would I use expanded form to solve 326+123?

• 300+2+6

  +100+2+3

  =400+4+9=449

• 300+20+6

  +100+20+3

  =400+40+9=449

• 3+2+6

  +1+2+3

  =4+4+9=449

• 449

How would you solve 401+411 with expanded form?

• 401

  +411

  =812

• 400+1

  +400+1+1

  =800+1+1=812

• 400+0+1

  +400+1+1

  =8+1+1=812

• 400+0+1

  +400+10+1

  =800+10+1=812

Add the base ten blocks.  What is the sum?

• 89

• 78

• 98

• 87

Add the base ten blocks.  What is the sum?

• 79

• 80

• 81

• 90

Add these two numbers using expanded form
 
 46
+38

• 82

• 74

• 94

• 84

Add these two numbers using expanded form
 
  84
+39

• 103

• 123

• 132

• 113

Look at the expanded form and choose the best option.

• 674

• 684

• 694

Look at the expanded form and choose the best option.

• 737

• 747

• 757

Fill in the missing value

• 300

• 30

• 3

• 1

Look at the expanded form and choose the best option

• 962

• 972

• 982