Two by Two Addition

Use your favorite strategy to find the sum of 34+23

• 58

• 67

• 57

• 76

How do you decompose this problem?
56+27

• 60+5 + 20+3
• 50+6 + 20+7
• 70+2 + 60+5
• 50+20 + 40+7

Use your favorite strategy to solve the following problem:
42+18

• 50
• 59
• 24
• 60

Use your favorite strategy to solve the following problem:
65+9

• 74
• 67
• 76
• 32

What addition problem do these base ten blocks represent?

• 35+29
• 28+39
• 29+38
• 38+29

Use your favorite strategy to solve the following problem?
54+28

• 78
• 72
• 82
• 80

What addition problem does this number line represent?

• 56+24
• 33+66
• 56+33
• 21+61

Sara had $34 of pledges for Run Raiser on Friday.  On Monday, Sara brought in 28 more dollars.  How much money did Sara raise?

• $52
• $62
• $87
• $64