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

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What is the result of adding 8 + 8?

• 20

• 16

• 14

• 18

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

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

Tags

CCSS.3.OA.D.9

Which of the following is a double fact?

• 5 + 3

• 6 + 6

• 7 + 8

• 9 + 5

Tags

CCSS.7.NS.A.1D

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

• 13

• 10

• 11

• 12

Tags

CCSS.1.OA.A.1

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

• 16

• 17

• 18

• 19

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

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

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

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

• 12

• 13

• 14

• 15

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

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

• 7

• 8

• 6

• 9

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

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

• 12

• 11

• 10

• 13

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2