Math Bingo

BINGO! The first person to have two bingo’s wins! When you have two bingo’s, say “BINGO!” Anyone acting inappropriate will be disqualified.

You may only mark 1 off per problem. The following numbers represent possible answers to the bingo questions. Fill in your blank bingo card with any 25 of these numbers. You may only mark 1 off per problem. Associative prop. of addition, distributive prop., commutative prop. of addition, Associative prop. of mult, commutative prop. of mult., 25%, 9%, 20%, 2100, 318, 3180, 672, 6272, 1575, a, b, c, d, a, b, c, d, a, b, c, d, x > 6, x < 6, x < -7, x > -7, 15, -15, 2, 3, x, 8, 5, ½, - ½, -2/3, 2/3, 45wpm, 180wpm, 18128, 7, -20, 8, -7.

1 Name the property that is illustrated in the equation. 3 + 5 = 5 + 3

2 Name the property that is illustrated in the equation. (3 + 5) + 7 = 3 + (5 +7)

3 Name the property that is illustrated in the equation. 5(x + 3) = 5x + 15

4 Name the property that is illustrated in the equation. (6 x 5) x 9 = 6 x (5 x 9)

5 Name the property that is illustrated in the equation. (3 x 5) x 7 = (5 x 3) x 7

6 During his first year in Hogwarts Harry learned 36 spells. In his second year he learned 45. Find the percent of increase

7 Ginny Weasley counted 55 flower on her first count and 44 on her second, what was the percent of change?

8 Hermione Granger is trying to raise money for a class field trip, if she sells five of her spells for 3500 galleons and she makes 60% profit, after expenses, how much money does she raise?

9 Ron Weasley is saving to buy a special gift for his sweetheart, he has saved 300 galleons for a year in Gringotts (the wizards bank). If he earned 6% interest for the year, how much money does he have?

10 Plotting evil is what Draco Malfoy does best. He is trying to figure out how much money he needs to buy a cruciatus curse. The curse costs 5600 galleons and he has to pay sales tax of 12%. How much does the cruciaturs curse cost with tax?

11 Harry has to figure out his assignment before Prof. McGonagall deducts points from Gryffindor. Help Harry by solving the following problem.

12 Help Harry figure out the inequality to save the school from Draco Malfoy and his thug friends.

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14 Ballatrix Lestrange needs to be stopped. Solve the inequality correctly and it will stop her in her tracks! Solve it incorrectly and she will attack. |–8+5| + |–5-7|

15 To help the Gryffindor house earn points Harry has to answer the question correctly. What number or letter in expression is the coefficient? 2x + 3

16 Quick help Professor Dumbledore. What part of the expression is the constant? 2x2 + 5x + 8

17 Prof. Dumbledore still needs you! Help him by finding the slope of the line.

18 Help Harry and Genny find true love, find the slope of the line.

Which number is rational? 19 Which number is rational?

Solve the unit rate and help keep the party going. 20 Solve the unit rate and help keep the party going. 90 words 2 minutes

21 Solve the unit rate to stop Draco from ruining the party. 18,128 kg 4 m3

22 The Gryffindor quidditch team needs your help. Solve the equation and you can help them beat Slytherin.

23 Draco needs to be stopped, solve the equation and you can help save Hogwarts.

Ballatrix Lestrange is about to destroy Hogwarts you must stop her Ballatrix Lestrange is about to destroy Hogwarts you must stop her. Solve the problem and you will save the day. 24

25 To get the students home. The hogwort express