Adding 3 numbers

Which Grouping Method is the best way to solve the following problem?

4+3+4

• Grouping doubles

• Make a ten

• Model and count

Which Grouping Method is the best way to solve the following problem?

3+6+7=?

• Grouping doubles

• Make a ten

• Model and count

Which of the following are ways to solve 3 number addition problems?

• Making a ten

• Grouping doubles

• Counting up

• Model and count

• All of the above

3+6+4=?

• 10

• 13

• 14

5+7+5=?

• 15

• 10

• 17

6+4+3

• 13

• 16

• 11

Which of the following equations does this model represent?

• 6+4+9

• 6+10+4

• 5+3+10

• 6+10+4

What equation best represents this model?

• 6+4+5

• 5+4+4

• 6+3+5

What strategy/strategies could you use to solve the problem above?

• Model and count

• Make a ten

• Make a double

What’s your favorite flavor of ice cream?

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