Operand Puzzle for PC

OPERAND PUZZLE - Math Game
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In Short:
- The task is to calculate and locate addition operands as quickly as possible.
- The first incorrect answer is ignored but watch out further consecutive ones. It may swallow existing scores or lead to negative ones.
- Randomly produced question forms sometimes come out easy and sometimes difficult. By clicking/tapping on the Restart button, player may want to choose the one he/she prefers.
- The score of 50 or more achieved within specified time frame is considered as a winning score or medal score.

Detailed Description

Target:
Try to find the addition operands within the course of 5 minutes game time, taking into account the results given at the end of each row and column.

Rules for the correct answers:
- Each of the first three correct answers will add 20 points to the score,
- Each of the second three ones will add 10 points,
- While the third three will add 5 points each.

Rules for the incorrect answers:
- The first incorrect answer is ignored,
- The second one and all further consecutive ones will increase by 10 and then the sum will be subtracted from the current score.
- This rule resets at the next correct answer.