The Proof! tabletop card game is the inspiration behind our online game, the Weekly Challenge Math Puzzles. Each week we post a new set of nine cards that hides a challenging equation. This is a hand-picked selection of our math games that focus specifically on addition. Or see all of our math puzzles here.

JAN 01 2018

1

Find a Pair of 6's

JAN 15 2018

3

Find Any Pair Greater Than

100

JAN 22 2018

4

Find Any Triplet Using

At Least 6 Cards

JAN 29 2018

5

Find a Triplet of 7's

Using At Least 7 Cards

FEB 12 2018

7

Find Any Triplet of

Fractions

MAR 05 2018

10

Find 9 Different Pairs

Using Exactly 3 Cards Each

MAR 12 2018

11

Find 4 Different Triplets

MAR 19 2018

12

Find a Pair of 100's

APR 23 2018

17

Find a Quadruplet of 1's

APR 30 2018

18

Find Any Pair Using At

Least 3 Square Roots

MAY 07 2018

19

Find Any Pair Using the

6, 27, and 74 Cards

MAY 14 2018

20

Find a Pair of 2/3's

MAY 21 2018

21

Find 10 Different Quadruplets

Less Than 10

JUN 11 2018

24

Find Any Pair Greater

Than 0 Using Exactly 8

JUN 18 2018

25

Find a Pair of 44's

JUL 09 2018

28

Find Any Triplet Greater

Than 100

JUL 23 2018

30

Find Any Pair Greater

Than 0 Using All 9 Cards

AUG 13 2018

33

Find a Pair of 27's

AUG 27 2018

35

Find 7 Different Pairs

Greater Than 15 Using

SEP 17 2018

38

Find 14 Different Pairs

Greater Than 0 Using...

OCT 08 2018

41

Find a Pair of 10000's

OCT 15 2018

42

Find 5 Different Quintuplets

Greater Than 0

OCT 29 2018

44

Find Any Pair Using Addition

At Least 4 Times

NOV 05 2018

45

Find 5 Different Pairs Greater

Than 50 Using the 98, 64,

NOV 26 2018

48

Find 15 Different Pairs

Greater Than 100

DEC 10 2018

50

Find 2 Different Triplets

Greater Than 10

DEC 17 2018

51

Find a Pair of 1's

Using Only Division

DEC 31 2018

53

Find a Pair of 2019's