Building Tens and Ones

• 2 Tens 
  5 Ones
• 2 Tens
  0 Ones
• 2 Tens
  3 Ones
• 3 Tens
  2 Ones

• 4 Tens 
  4 Ones
• 4 Tens
  2 Ones
• 2 Tens
  2 ones
• 2 Tens
  4 Ones

• 30 + 5
• 3 + 5
• 30 + 50

How many tens are in the number 73?

• 3

• 7

• 10

67=

• 5 tens and 8 ones

• 6 tens and 7 ones

• 7 tens and 6 ones

• 1 ten and 4 ones

57 = ___ tens 7 ones

• 7

• 5

• 3

• 2

How many?

• 40

• 30

• 34

• 33

How many?

• 50

• 45

• 41

• 55

How many tens do you need to make the number 80?

• 20

• 8

• 80

• 100

• 28

• 80

• 8