Get to the target number in the middle by using some or all of the four corner numbers combined with the +, - and/or x buttons.
There are three rounds (i.e. three target numbers) to complete a game.
You can...
click the equals (=) sign to erase a mistake and reset.
use up all four numbers to skip to the next round.
The game will accept an answer +/- 1 away from the target but there is always a way to reach the exact target number!
Video demo, more details and sample games below
There are no brackets. You can see your running total in the green equals box as you go.
At the end of your daily game, you will get your game results and solutions to any unsolved rounds.You will also have the option to try that round again.
There are 2 points for accuracy (aim for the target +/- 1 if you can't get to the exact number) and a bonus point for time: A perfect score = 6/6, with a potential time bonus of +1 per round.
You can get the bonus point for time by solving round 1 in 9 seconds, round 2 in 15 seconds and round 3 in 18 seconds,β¦ or less!
For more on scoring, click on the menu link to the left of the '?'
Sample round: 3 consecutive numbers
Sample round: Factoring
Sample round: Overshooting
Use any, or all of the four corner numbers and any of the 'plus', 'minus' or 'multiplied-by' buttons to get as close (*) as you can to the target middle number.
(*) There is always an exact solution for all puzzles but in cases where you don't see it, the game will accept 1 away from the target as your answer.
Video demo, more details and sample games below
Enjoy! & Share your results
While you can only use each corner number once per round, you do not have to use all of them to get the target.
There are no brackets - so your running total tots up as you go (the green equals box will show you this value)
There are 3 rounds to each daily game
If you need to reset a round - click delete on your keyboard or the = (equals) button at any time.
If you want to give up on a round an move to the next round, use up all 4 numbers and you will be given an option to skip to the next round
At the end of your daily game, you will get your game results along with solutions to any round you didn't solve and an option to try that round again.
There are 2 points per round for accuracy (Aim for the target +/- 1 if you are struggling to get to the target) and time: A perfect score = 6/6, with a potential time bonus of +1 per round
The points for 'time' are awarded based on solving round 1 in 9 seconds, round 2 in 15 seconds and round 3 in 18 seconds,... or less!
For more scoring detail, please click on the menu link to the left of the '?' in the main title bar
The 4 corner numbers (1, 2, 5, 8 in the above clip) will stay the same for the whole week so you have a chance to really get to know them!
New corner numbers each week, they will always be between 1 - 9.
The target middle-number will always be a double digit number. It is currently < 50 but this will increase slowly over time (months) to a max of 99.
Sample round: 3 consecutive numbers
Sample round: Factoring
Sample round: Overshooting
New game daily, new numbers weekly, enjoy!