Math Game. Kakuro. Logic. Puzzle. Answers for November's Newsletter. Logic. Puzzle. Container. 1 & 2 together. Container 3. There are 45 balls in container 1.

There are 45 balls in container 1. Using the picture to the left, there must be 18 balls in each part (72÷4). Container This means container 3 has 18. Since 1&2 this is twice that of container 2, together then container 2 must have 9. This leaves 45 for container 1. Container 3

13 29

16

From your list of products you find two with the same sum. 1 x 1 x 36 Sum = 38 1 x 2 x 18 Sum = 21 1 x 3 x 12 Sum = 16 1x4x9 Sum = 14 1x6x6 Sum = 13 2x2x9 Sum = 13 2x3x6 Sum = 11 3x3x4 Sum = 10 Her three kids’ ages must add to 13 since there are two sums of 13. When she says, “My oldest is sleeping,” this tells the census taker that the oldest is 9 years old (from 2, 2, 9) because the 1, 6, 6 possibility has two oldest kids!

17

Math Game

18

14 14

17

2, 2, 9

5

9

9

7

Kakuro

17

24 17

16

A good way to do these problems is figure out which number have only one solution. For example: 16 is made up from 7 + 9 or 8 + 8. These are the only one digit possibilities. since you can’t have two 8’s in one row - all 16’s are made up of 7 and 9.