Add Tens and Ones

Use a ones and tens mat to solve 12+19

• 31

• 41

• 51

• 61

Use a tens and ones mat to solve 49+13

• 62

• 89

• 47

• 60

What are the partial sums for 84+13

• Tens:6

  Ones:7

• Tens:9

  Ones:7

• Tens:7

  Ones:7

• Tens:8

  Ones:7

Solve 21+10+33+12

• 66

• 76

• 86

• 96

Which tens and ones display shows the correct solution to 33 + 12 = ____?

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What are the partial sums for 71+22

• Tens:7

  Ones:3

• Tens:8

  Ones:3

• Tens:9

  Ones:3

• Tens:6

  Ones:3

Use a Part-Part-Whole mat to solve the equation 12+52=_.

Then explain how you can add the ones and tens to find the whole.

• 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