1st Grade 4/8

What addition problem do these base ten blocks represent?

• 35+29
• 28+39
• 29+38
• 38+29

   20 + 30 

______

• 10
• 50
• 40

• 28

• 29

• 22

• 38

• 59

• 69

• 79

• 89

______ + 14 = 17

• 3

• 8

6 + ___ = 11

• 4
• 5
• 6
• 7