Mastering Doubles Addition Facts

What is a double fact in addition?

• An addition where both addends are the same

• An addition of two different numbers

• Subtracting two identical numbers

• Multiplying two identical numbers

What is the result of adding 8 + 8?

• 20

• 16

• 14

• 18

What pattern is observed when adding zeros in double facts?

• The sum is always zero

• The sum remains the same

• The sum is the double of one addend

• The sum doubles

Which of the following is a double fact?

• 5 + 3

• 6 + 6

• 7 + 8

• 9 + 5

How many cookies are on the plate if Bob and Dave each put six?

• 13

• 10

• 11

• 12

What is the sum of 9 + 9 using double facts?

• 16

• 17

• 18

• 19

How does adding one more to each addend in a double fact affect the sum?

• It doubles the sum

• It increases the sum by two

• It reduces the sum

• It triples the sum

What is the result of 7 + 7 on a number line?

• 12

• 13

• 14

• 15

What is the sum of 4 + 4 in double facts?

• 7

• 8

• 6

• 9

What is the sum of 6 + 6 using double facts?

• 12

• 11

• 10

• 13