Summer Bridge Math Recap

Mystery

100

Find the sum:

43.2 + 26.7

69.9

200

-4.8 + (-53.5) =

-58.3

300

If x= 8, solve.

4x - 2

30

400

Write as an algebraic expression:

10 donuts plus 12 coffees 

10d +12c

500

Positive and negative numbers on a number line are called...

Integers

Inequalities

100

Write this in words:

X>6

X is greater than 6.

200

Solve the inequality:

x+1<4

x<3

300

Solve the inequality:

-4+x<0

x<4

400

Solve the inequality:

x/3>12

x>36

500

Solve the inequality:

4x<48

x<12

Probability

100

Probability formula is:

 Actual #/ ?

Total #

200

You flip a coin. The probability of flipping to tails is?

Write as a fraction AND percent.

1/2, 50%

300

You roll a dice. The probability you roll an even number is... (answer needs to be in simplest form).

3/6= 1/2

400

You roll a dice. The probability of rolling a 3 or 6 is... (answer needs to be in simplest form).

2/6= 1/3

500

If you had all the letters of the name "St. Lucy's" in a bag, what is the probability of pulling an "s"?

2/7

Proportions

100

Is this proportionate?

12/24 = 2/4

Yes.

48=48

200

Solve for X.

6/x=5/10

X= 12

300

Solve for X.

4/10= x/15

X= 6

400

Is this proportionate?

8/5 = 16/8

No. 64 = 80 is not true.

500

What is the better deal?

2 donuts for $3.50 or 6 donuts for $9.00

(Hint: find the unit rate first)

6 donuts for $9.00

Stats

100

Another word for mean is...

Average

200

What is the mode:

13, 13, 13, 14, 14, 15, 15, 16

13

300

What is the mean of:

26,32,48,74

45

400

What is the median of:

2,6,7,9,8,4,4

6

500

You find that 10/18 people in our class like donuts. The average of this written as a percent is? (Round to the nearest percent)

55.5% rounded is 56%