Exploring Double Facts for Sums

What is the main topic of this lesson?

• Subtraction

• Division

• Double Facts

• Multiplication

What is the sum of 2 plus 2?

• 6

• 5

• 4

• 3

What is the result of 5 plus 5?

• 10

• 11

• 8

• 9

How can we use double facts to find the sum of 3 plus 4?

• 3 plus 3 plus 1

• 3 plus 3 plus 2

• 4 plus 4 minus 1

• 4 plus 4 plus 1

If Nancy has 6 toy cars and Alex gives her 6 more, how many toy cars does Nancy have now?

• 10

• 12

• 11

• 13

What is a double fact?

• A number divided by itself

• A number multiplied by itself

• A number subtracted from itself

• A number added to itself

How can we represent 4 as a sum of two numbers to use double facts?

• 1 plus 3

• 4 plus 1

• 2 plus 2

• 3 plus 1

What is the result of 7 plus 6 using double facts?

• 12

• 13

• 14

• 15

How can we rewrite 2 plus 3 using double facts?

• 3 plus 3 plus 2

• 3 plus 3 plus 1

• 2 plus 2 plus 2

• 2 plus 2 plus 1

What is the result of 8 plus 8 minus 1?

• 17

• 16

• 15

• 14