Place Value / Adding 9 & 11

Count the base ten blocks. What number did you get?

• 87
• 77
• 76
• 17

Count the base ten blocks. What number did you get?

• 44
• 53
• 54
• 45

Count the base ten blocks. What number did you get?

• 70
• 72
• 62
• 71

11+11=

11+89=

11+64=

43+9=

• 52

• 14

• 53

• 62

18+9=....

• 27

• 28

• 29

If I keep adding 11, what number will come next?

23, 34, __

• 54

• 45

• 46

• 43

If I keep adding 9, what number will come next?

12, 21, __

• 32

• 29

• 30

• 31