BSAP SI Math 7

Riddles

100

I have 2 coins that equal 30 cents, one of them is not a quarter. What are the coins?

A quarter and a nickel

200

How can you add eight 8’s together and get 1,000?

888 + 88 + 8 + 8 + 8

300

I add five to nine and get two. The answer is correct, but how?

9 am + 5 hours = 2 pm

400

You are given three positive numbers. You can add these numbers and multiply them together. The result you get will be the same. What are the numbers?

1, 2, and 3

500

What is the smallest number that increases by 12 when it is flipped and turned upside down?

86

Integers

100

Evaluate:

-4 + 7

3

200

Evaluate:

-1 - 9

-10

300

Evaluate:

10 + (-6) + (-2)

2

400

Evaluate:

7 * (-2)

-14

500

Evaluate:

(-70) / 7

-10

Proportional Relationships

100

What is the standard equation for a proportional relationship?

y = kx

200

What are the two criterias of a proportional relationship?

1. Has to go through (0,0) or the origin.

2. Has to be a straight diagonal line.

300

Alejandro practices the piano 1470 minutes in 5 weeks. At what rate did she practice, in minutes per day?

42 minutes per day

400

A company orders 23 boxed lunches from a deli for $174.80. If each boxed lunch costs the same amount, what is the unit cost of each boxed lunch?

$7.60

500

Aria's earnings on the job: 

Time (hours)            Earnings (dollars)

18                           $451.80

23                           $577.30

29                           $727.90

What is the constant of proportionality?

25.1

Expressions & Equations

100

What is the value of the expression below when x=4?

3x - 3

9

200

What is the value of the expression below when y=2?

8y - 7

9

300

Solve for c:

83 = 6c + 476

c = 6

400

What is the value of the expression below when w=6 and x=7?

10w + 7x

109

500

Solve for x:

-99 = 9x + 9

x = -12

Inequalities

100

Solve the inequality and graph the solution

-2 < -11 + x

x > 9 or 9 < x

200

Solve the inequality and graph the solution

6x < 36

x < 6 or 6 > x

300

Solve the inequality and graph the solution 

5x + 2 > 27

x > 5 or 5 < x

400

A group of friends wants to go to the amusement park. They have no more than $140 to spend on parking and admission. Parking is $18, and tickets cost $30.50 per person, including tax.

Write an inequality that represents the situation.

140 > 18 + 30.50p

500

A group of friends wants to go to the amusement park. They have no more than $140 to spend on parking and admission. Parking is $18, and tickets cost $30.50 per person, including tax.

Solve for p. 

p < 4