Posts Tagged ‘maths’
Math Games Rounding Decimals
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Question: math help STATISTICS?
1. The Beavers and the Bruins are rival hockey teams. During the last several seasons, the Beavers have won 70% of the games between the two teams.
a.) Use the probability distribution to determine the probability that the Beavers will win at least 3 of the next 5 games. As part of your solution, outline the procedure you used to find your answer . Round your answer to 4 decimal places.
please help me THANKS!
Answer: Let be X. number of games the Beavers have won
p = 0.7
n = 5
q = 0.3
P(X ≥ 3) = P(X = 3) + P(X = 4) + P(X = 5) =
(5)
(3)*0.7^3*0.3^2 +
(5)
(4)*0.7^4*0.3^1 +
(5)
(5)*0.7^5*0.3^0 = 0.30870 + 0.36015 + 0.16807 = 0.8369
Math Games Negative Numbers
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Question: Arghh. Homework Helppppppppp?
I have to make a Math game (ie; boardgame, cardgame, whatever.) and it has to be at seventh grade level, which is mostly decimals, negative and positive numbers, multiplying, and dividing.
I have no clue what to do for the game. It has to be creative..
I really hate asking for this kind of stuff, but does anyone have any ideas?
Answer: You could have a path to follow, as in that old favorite Candy Land.
On each turn, the player gets a problem to solve from some cards.
Either have cards with complete problems on them,
or separate cards with numbers and other cards with operations.
Or just cards with numbers, and you can use whatever operations you want.
The player either solves the problem or says "No solution".
If the other players agree, then the player wins the turn,
otherwise he loses the turn.
Winning the turn means advancing along the path, by an amount
determined by spinning a spinner or rolling dice (or maybe just one die).
Losing the turn means going back, by an amount similarly determined.
You could make it that more difficult problems are worth more spaces
to advance (and less to go back), and easier problems the other way around.
First one to reach the finish line wins the game.
If you wanted to make it more elaborate, you could make some of the places
on the path special in some way (extra rewards, penalties, or what have you).
Interactive maths games - Middle primary from RIC Publications


US $.99


