OMT III Review 2026

Operation Domination

100

What is the remainder when 9876 is divided by 9?

3

200

What is the value of

123\times45+123\times55\?

12,300

300

Find the GCF of 84 and 126.

42

400

Find the LCM of 18 and 24.

72

500

Find the prime factorization of 360, then find the sum of its prime factors (counting repeats). 

17

Fraction Action

100

\frac{5}{6}+\frac{7}{12}-\frac{1}{4}

\frac{7}{6}

200

0.375\times32

12

300

(\frac{4}{5}\div\frac{2}{3})\times\frac{9}{8}

\frac{27}{20}

400

0.2+0.02+0.002+\frac{1}{5}

\frac{211}{500}

500

\frac{3}{4}+\frac{1}{3}+\frac{1}{2}+\frac{1}{6}+\frac{1}{12}

\frac{11}{6}

Measure Mayhem

100

How many seconds are in 2.5 hours?

9000 seconds

200

A toy costs $19.75. You pay with a $50 bill. You receive your change entirely in quarters. How many quarters do you get?

121 quarters

300

A runner jogs 3.53.53.5 miles in 28 minutes at a constant speed.
At this rate, how many minutes will it take to run 5 miles?

40 minutes

400

The average length of 4 ribbons is 18 cm. When a fifth ribbon is added, and the new average length becomes 20 cm. What is the length of the fifth ribbon in meters?

0.28 meters

500

A tank contains 333 liters of water. Every minute, 150150150 milliliters of water is added.
How many minutes will it take for the tank to reach 6.756.756.75 liters?

25 minutes

Right on the Angle

100

Two angles in a triangle are 50⁰ and 60^o. What is the third angle?

70^o

200

If 3 identical angles are complementary, what is the sum of two of the angles?

60^o

300

Four angles A, B, C, D have a sum of 360^o. A and B are supplementary. If D is 11^o, what is the angle measure of C?

169^o

400

What is the sum of the interior angles of a hexagon?

720^o

500

A hexagonal window is formed by a square window with an isosceles triangle on top, where the non-identical side of the triangle touches one side of the square. If the width of the window is 6 ft and the total height is 10 ft, what is the total area of the hexagonal window?

48 ft²

Math You Should Know

100

What word describes the total distance around a shape?

Perimeter

200

What is the name of a number that has exactly two factors?

Prime number

300

I have half of a dozen of eggs. I crack two, cook 2, and eat two. How many eggs do I have left?

4 eggs

400

I am an odd number.

Take away one letter, and I become even.

What number am I?

7 -> s "even"

500

What number is often attributed to Skrilla, an American rapper from the Kensington neighborhood of Philadelphia, Pennsylvania. Skrilla produced a song called DootDoot that contains this number.

6-7