en.wikipedia.org/wiki/List_of_notable_numbers

This is a list of articles about numbers (not about numerals). Contents. [hide]. 1
Rational .... 496, the third perfect number. ... A prime number is a positive integer
which has exactly two divisor...

www.brainbashers.com/showanswer.asp?ref=ZDFT

What number is two-thirds of one-half of one-fourth of 240? [Ref: ZDFT]. Answer:
20. One-fourth of 240 is 60. One-half of 60 is 30. Two-thirds of 30 is 20.

www.themathpage.com/arith/percent-of-a-number.htm

What is more, from 1% we can calculate 2%, 3%, and so on. While from 10% we
can ... is two eighths. Therefore, three eighths will be one quarter plus half of one
quarter: $150 + $75 = $225. .... is 240. Therefore two thirds are 2 × 240 = 480.

www.abelard.org/sums/teaching_number_arithmetic_mathematics_fractions_decimals_percentages1.php

how to teach a person number, arithmetic, mathematics, on teaching reading ....
one minus three quarters equals one quarter : 1 - 3/4 = 1/4 ... As you can see, one
third of one is equivalent to two sixths, and one half is equivalent to three sixths.
.... and deal in 240ths, but this way we only have to deal in 60ths (2 x 2 x 3 x 5).

www.math10.com/en/algebra/simple-equations/solutions-of-word-problems-involving-equations.html

In the solution of problems, by means of equations, two things are necessary:
First, ... What number is that, to which, if its half be added, and from the sum 20 be
... The third has 600 less than one fourth of the whole; ... Answer 240 and 200.

www.mathmistakes.info/facts/TrigFacts/learn/uc/nar.html

and Math Facts Students Should Know, logo240 ... One quarter of a revolution (a
right angle) equals 2π/4 = π/2 radians. ... One eighth of a revolution is the angle
that divides the first quadrant in half; it is half a right angle: ... The angles one third
and two thirds of the way through the second, third and fourth quadrants are π/2 ...

www.counton.org/resources/numeracy/pdfs/y456str1.pdf

digit, one-digit number, two-digit number, three-digit number, four-digit number…
... four thousand, one hundred and sixty-seven… ..... ordinal numbers: first,
second, third, fourth… 1st, 2nd, 3rd ... Indicate on a number line what number is
half way between: 740 and ... If 16 240 ss 16 320, what numbers could ss be?
See also ...

collegereadiness.collegeboard.org/doc/sat-practice-test-3-math-calculator-assistive-technology.doc

2. All variables and expressions used represent real numbers unless ... A equals
one-half b h. ... V equals one-third times pi times the square of r times h. ... The
fourth column heading is Total. ..... the fraction 25 meters over 13.7 seconds,
equals, the fraction x meters over 240 seconds can be used to find out how many
...

www.homeschoolmath.net/teaching/f/multiplying_fractions_2.php

We have studied how to find a fractional part of a whole number using
multiplication. For example,. 3. 5. of 80 is written as a multiplication: 3. 5. × 80 =
240. 5. = 48. ... One-half of, is . ... One-fourth of, is . ... share equally with one, two,
or three other people. Write a .... Now Ted has completed a third of what was still
lef...

www.cehd.umn.edu/ci/rationalnumberproject/84_2.html

Two fifths is less than two thirds because "you look at the bottom numbers. ... And
three sixths is one half, so three ninths is less than three sixths." ... One fifth is less
than one fourth, and one fourth is less than one third because [after ..... College of
Education, 240 Peik Hall, University of Minnesota, Minneapolis, M...