by BlastRoom
Practice finding the complement of an event in words, probabilities, and counts.
#us_grade_7_math

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A card is chosen from cards numbered 1 through 10. The event is choosing an even number. What is the complement?
A spinner has red, blue, and green sections. The event is landing on red. What is the complement?
A bag has blue, yellow, and orange marbles. The event is drawing yellow. What is the complement?
A number cube labeled 1 through 6 is rolled. The event is rolling less than 3. What is the complement?
A card is chosen from A, B, C, D, E, and F. The event is choosing a vowel. What is the complement?
Students choose soccer, basketball, or tennis. The event is choosing soccer or basketball. What is the complement?
An integer is chosen from 1 through 20. The event is choosing a multiple of 5. What is the complement?
A coin is flipped and a die is rolled. The event is the coin showing heads. What is the complement?
For tomorrow's weather, the event is that it rains. What is the complement?
A jar contains only square tiles and circle tiles. The event is drawing a square tile. What is the complement?
A card is chosen from numbers 11 through 20. The event is choosing a number greater than 16. What is the complement?
A day is chosen at random from one week. The event is choosing a weekday. What is the complement?
The probability that a bus arrives late is 0.18. What is the probability that the bus does not arrive late?
The probability that a selected coin is a quarter is 0.35. What is the probability that it is not a quarter?
The probability that a printer jams on one page is 0.07. What is the probability that it does not jam?
A weather model gives a 0.64 chance of snow. What is the probability that it will not snow?
The probability that a randomly chosen student rides the bus is 0.41. What is the probability that the student does not ride the bus?
The chance that a game spinner lands on purple is 0.25. What is the chance that it does not land on purple?
A free-throw shooter has a 62% chance of making a shot. What is the chance of not making the shot?
A seed packet says a seed has a 15% chance of not sprouting. What is the chance that it sprouts?
A forecast gives an 89% chance that the temperature stays above 0°C. What is the chance it does not stay above 0°C?
The probability that a randomly chosen snack is salty is 3/10. What is the probability that it is not salty?
The probability that a card drawn from a set is red is 5/12. What is the probability that it is not red?
The probability that a randomly selected shirt is striped is 4/9. What is the probability that it is not striped?
The probability that a randomly chosen book is hardcover is 2/7. What is the probability that it is not hardcover?
The probability that a plant is taller than 1 meter is 9/20. What is the probability that it is not taller than 1 meter?
A spinner has 12 equal sections. Five sections are red. What is the probability of landing on a section that is not red?
A bag has 15 marbles. Eight marbles are blue. What is the probability of drawing a marble that is not blue?
A stack has 20 cards. Nine cards have stars. What is the probability of drawing a card without a star?
A raffle bowl has 18 tickets. Five are winning tickets. What is the probability of drawing a non-winning ticket?
A box has 16 tiles. Seven tiles are green. What is the probability of drawing a tile that is not green?
In a survey of 22 students, 9 walk to school. What fraction of the students do not walk to school?
A cup has 25 pencils. Fourteen are sharpened. What is the probability of picking a pencil that is not sharpened?
A spinner has 24 equal sections. Seven sections are striped. What is the probability of landing on a section not striped?
A playlist has 30 songs. Eleven are pop songs. What is the probability that a randomly played song is not pop?
A jar holds 21 buttons. Eight buttons are black. What is the probability of drawing a button that is not black?
A bag has 28 letter slips. Thirteen slips show vowels. What is the probability of drawing a slip that does not show a vowel?
Cards show the 26 letters A through Z. Five cards are vowels. What is the probability of choosing a consonant card?
A bracelet has 32 beads. Thirteen beads are square. What is the probability of choosing a bead that is not square?
A bag has 36 tokens. Eleven tokens are silver. What is the probability of drawing a token that is not silver?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Uniform and Non-Uniform Probability Models
20 questions