Home » Math Tricks

Category Archives: Math Tricks

Repeating Decimal to Fraction example question

Convert the following decimal numbers to proper fraction or mixed number:

Solution to this Repeating Decimal to Fraction Conversion Algebra practice problem is given in the video below!

Egyptian Sidelight Division Method example question

Find the following quotients by using the Sidelight Method:

384 ÷ 32 =

192 ÷ 16 =

336 ÷ 12 =

Solution to this Division Trick practice problem is given in the video below!

Division of Whole Decimal or Rational Numbers example problem

Divide the following Whole and Rational Numbers using several methods:

152 ÷ 2 =

275 ÷ 5 =

0.15 ÷ 0.03 =

4.5 ÷ 0.09 =

4.5 ÷ 9 =

Solution to this Division Trick practice problem is given in the video below!

Square Number Formulas example question

Find the following value by using three well-known Square Number formulas:

62

Solution to this Square Number practice problem is given in the video below!

Square of a Number Ending With 1 example problem

Find the following values by using a shortcut:

512 =

1012 =

1,0212 =

Solution to this Square Number practice problem is given in the video below!

Square of a Number Ending With 5 example

Find the following values by using a shortcut formula:

152

952 =

10,0152 =

Solution to this Square Number practice problem is given in the video below!

Square Number using Adjacent Perfect Square example question

Find the following values by using the adjacent perfect square for each number:

52

1012 =

172 =

Solution to this Square Number practice problem is given in the video below!

Whole Number Addition Trick example question

Add the following by using a shortcut:

47 + 23 =

72 + 128 =

121 + 369 =

Solution to this Addition Tricks practice problem is given in the video below!

Russian Peasant Multiplication Method example question

Find the following products by using the Russian Peasant method:

41 • 22 =

59 • 13 =

Solution to this Multiplication Tricks practice problem is given in the video below!

Lattice Multiplication Method example problem

Find the following products by using the Lattice method:

28 • 464 =

384 • 261 =

Solution to this Multiplication Tricks practice problem is given in the video below!

Multiplication of a 2-Digit Number by 11 example

Find the following products by using a shortcut:

22 • 11 =

47 • 11 =

97 • 11 =

Solution to this Multiplication Tricks practice problem is given in the video below!

Multiplication Trick example question

Find the following products by using a shortcut method:

46 • 49 =

47 • 48 =

Solution to this Multiplication Tricks practice problem is given in the video below!

1. Determine whether the following expression is defined:

2. Show that the following identities hold:

a.

b.

Solution to these Radicals practice problems is given in the video below!

1. Convert the following expressions to Power or Exponent form:

a.

b.

c.

2. Convert the following expressions to Root or Radical form:

a.

b.

Solution to these Radicals practice problems is given in the video below!

Radicals: Rationalizing Numerator & Denominator example

In the following expression, rationalize the numerator:

In the following expression, rationalize the denominator:

Solution to these Radicals practice problems is given in the video below!

HARD Square Root Algebra problem example question

Expression lies between which two whole numbers?

Solution to this Square Root Algebra practice problem is given in the video below!

Math Tricks (complete Playlist)

Explore a variety of math tricks explored with practice problems that will help you solve real-life examples.