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The testing effect is real!

Are you giving away your power to math?

Discover the magic of the weak hand

Diamond factoring

Needle in the haystack principle for math

Learn these angles

The Art of Like Terms

Solve this math riddle with Obama and Biden

Turn percents into fractions

Express 64 as the product of primes

1 + 2 + 3 + 4 + 5 + … + 1000?

A family has five sons. Each of them has a sister. How many kids does the family have?

Solve all squares that end in 5

Calculate the area of a square with diagonal length 2 sqrt 2

Popcorn and milk experiment

Worst. Movie. Ever

Why calculator…why?

Which fraction is larger?

Multiply numbers that end in 1

(x^5 + x^4 - x^3 - x^2)/(x - 2)

Multiply by 5 no calculator

Multiplcation by 99 no calculator

What number goes up but doesn’t come back down?

How does the Percentile for Normal Distribution Calculator work? Given a mean, standard deviation, and a percentile range, this will calculate the percentile value. This calculator has 3 inputs. What formula is used for the Percentile for Normal Distribution Calculator? x = μ + zσ What 5 concepts are covered…