Number Tricks
Fractions and Decimals
Geometry
Operations
Random
200

Skip count backward from 30 by 3s.

What is 30, 27, 24, 21, 18, 15, 12, 9, 6, and 3?

200

The number above the bar in a fraction.

What is a numerator?

200

Right Triangle

What is a triangle that has 1 90 degree angle?

200

A number that is added to another number in an addition problem

What is an addend?

200
From Schoolhouse Rock Multiplication, the title of the video on zero.

What is My Hero Zero?

400

This number times an even number always ends in 0, but times an odd number, it always ends in 5.

What is 5?

400

Common denominator.

What is a common multiple of two or more denominators? Example given 1/3 and 1/2, the common denominator is 6.

400

The distance around  the outside of a circle.

What is the circumference?

400

A mathematical sentence that compares two unequal expressions using one of the symbols >, <, ≥, ≤, or ≠.

What is an inequality?

400

The measurement of the amount of space occupied by a figure, including height, width, and depth, and expressed in cubic units.

What is volume?

600

To multiply some number "X" by this number, multiply by 10 and subtract "X".

What is 9?

600

The number below the bar in a fraction that tells how many equal parts are in a whole.

What is a denominator?

600

A triangle with no congruent sides.

What is a scalene triangle?

600

The number that is to be divided in a division problem.

What is the dividend?

600

The result of the division of one quantity by another (the number that results from dividing).

What is a quotient?

800

To find the product of this number times a two-digit number, add the two digits together and place their sum in between them.

What is 11?

800

When multiplying fractions, you do this.

Multiply the numerator times the numerator and the denominator times the denominator.

800

An angle which measures more than 90 degrees but less than 180 degrees.

What is an obtuse angle?

800

A variable or combination of variables, numbers, and symbols that represent a mathematical relationship, for example x+ 4xy + 4.

What is an expression?

800

25

What is 32?

1000
Any number taken to this power (exponent) is 1.

What is 0?

1000

In the number 3.141592653858, the value of the underlined number.

What is 5/10,000 or 5 ten-thousandths?

1000

Rhombus

What is a parallelogram with 4 equal, or congruent, sides?

1000

The order of operations? (Not just the first letter of each, but what they mean?

Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

1000

(17-6÷2) + 4 x 3

What is 26?