Doubles Jeopardy!

Doubles Facts

100

I am the SUM of this doubles fact: 4 + 4 = ?

8

200

I am the SUM of this doubles fact 7 + 7 =?

14

300

I am the SUM of this doubles fact 9 + 9 =

18

400

I am the SUM of this doubles fact 10 + 10 =

20

500

I am the SUM of this fact 12 + 12 =

24

+1 Doubles Facts

100

I am a +1 fact for 2 + 2 =

5

200

I am a +1 doubles fact for 5 + 5

11

300

I am a +1 doubles fact for 6 + 6

13

400

I am a +1 doubles fact for 8 + 8

17

500

I am a +1 doubles fact for 11 + 11

23

-1 Doubles Facts

100

I am a -1 doubles fact for 4 + 4

7

200

I am a -1 doubles fact for 5 + 5

9

300

I am a -1 doubles fact for 6 + 6

11

400

I am a -1 doubles fact for 9 + 9

17

500

I am a -1 doubles fact for 10 + 10

19

Missing Addend

100

I am a missing addend, when you add 2 to me, the sum is 4. (hint: 2 + ? = 4)

2

200

I am a missing addend, when you add 6 to me, the sum is 12. (hint: 6 + ? = 12)

6

300

I am a missing addend, when you add 8 to me, the sum is 16.

8

400

I am a missing addend, when you add 7 to me, the sum is 10.

3

500

I am a missing addend, when you add 2 to me, the sum is 20.

18

What's the fact?

100

I am a doubles fact with a SUM of 6.

3 + 3 = 6

200

I am a doubles fact with a SUM of 8

4 + 4 = 8

300

I am a doubles fact with a SUM of 12

6 + 6 = 12

400

I am a doubles fact with a SUM of 18

9 + 9 = 18

500

I am a doubles fact with a SUM of 20

10 + 10 = 20