Add Tens to Any Numbers

Count in 10's.

10, 20, __ , 40.

• 13

• 30

Count in 10's.

10

20

30

40

___

60

• 50

• 15

How many tens and ones?

• 5 tens and 4 ones

• 3 tens and 3 ones

• 2 tens and 7 ones

How many tens and ones?

• 3 Ten

  3 Ones

• 0 Ten

  5 Ones

• 3 Tens

  5 Ones

• 5 Tens

  3 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

• 1 Ten
  6 Ones
• 1 Ten
  3 Ones
• 6 Tens
  1 One
• 3 Tens
  4 Ones

• 3 Ten
  3 Ones
• 0 Ten
  5 Ones
• 3 Tens
  5 Ones
• 5 Tens
  3 Ones

• 30 + 5
• 3 + 5
• 30 + 50

How many tens and ones are the cubes showing?

• 4 tens and 4 ones

• 3 tens and 9 ones