Math Bowl

Scientific Notation

100

Write 4,500 in scientific notation.

4.5×10³

200

Express 7.1 × 10³ in standard form.

7,100

300

Which is greater: 9.1 × 10⁶ or 1.2 × 10⁷?

1.2 × 10⁷

400

True or False: 

5.0 × 10⁰ is equal to 5

True

500

Which of the following is in correct scientific notation?
a) 3.2 × 10⁴
b) 32 × 10³
c) 0.32 × 10⁵
d) 320 × 10²

a) 3.2 × 10⁴

Perfect Square/Square Roots

100

What is the square of 7?

7x7=49

200

True or False: 36 is a perfect square.

True

300

A school wants to arrange 100 chairs in a square formation for an event.

How many rows and columns will there be?

10 rows and 10 columns (since √100 = 10)

400

List all the perfect squares between 1 and 100.

1, 4, 9, 16, 25, 36, 49, 64, 81, 100c

500

Lena wants to plant a square garden with 49 flowers, placing one flower in each square foot. How long will each side of the garden be?

7 feet (since √49 = 7)

Powers of Ten

100

What is the value of 10⁰

1

200

Which of the following is equal to 1/10³?

A. -1,000
B. -0.001
C.0.001
D. 30

C. 0.001

300

How do you write 10^-2 in fraction form

1/100 or 1/10²

400

A scientist measures a particle that is 1/1,000,000,000 meters wide.

Write this measurement as a power of ten.

10^-9 meters

500

Which is larger: 10^-2 or 10^-4

10^-2 is larger (0.01 vs. 0.0001)

Linear Equations

100

Solve for x

2x+5=15

x=5

200

Which of the following is a solution to the equation 3x−4=11?

A. 3
B. 4
C. 5
D. 6  

C. 5

300

Noah has $50 and saves $10 each week.
How many weeks will it take for him to have $120?

50+10x=120 

x=7

7 weeks

400

 The temperature was 5°C in the morning and dropped 2°C every hour. After how many hours was the temperature -3°C? 

5−2x=−3 

x=4 

4 hours

500

Sarah earns $12 per hour. She wants to earn $96.

Write and solve a linear equation to find how many hours she needs to work.  

Equation: 12x=96 → x=8

8 hours

Inequalities

100

Solve the Inequality

x+4<10

x+4<10

200

A movie ticket costs $8. You have at most $40 to spend.

Write and solve an inequality to find how many tickets you can buy.

8x≤40 

x≤5 

You can buy up to 5 tickets

300

Solve the Inequality:

−5x+3≥−12

x≤3

Step 1: Subtract 3  

Step 2: Divide by -5 and flip the sign

400

Solve the inequality: 

x/−2x+5≤1

Subtract 5 from both sides

Multiply both sides by –2 and flip the inequality sign 

x≥8

 

500

Jamal wants to buy a bike that costs $150. He already has $40 and saves $10 each week.

Write and solve an inequality to find how many weeks he needs to save.

40+10x≥150 

x≥11x

At least 11 weeks