Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1894-05-12

Among teachers IN general there Is
doubtless as much aversion TO the
teaching Of intellectual arithmetic as Of
any other branch taught This fact
arises from the custom Of including on
the part Of authors complex problems
Tor analysis that have but little practical
utility or value. That much valuable
discipline comes from a thorough sulu.
ton Of wcllsclceicd list OF analytical
problems, there IS no room i0g doubt,
aud the power TO reason intcliigcntly
and concisely In such studies is ncces-
sary preparation for thorough iuvcstiga.
ton IN higher mathematics.
A number OF visits have been made
during the past week TO the public
schools 10 listen 20 Rotations in mental
arithmetic. In the eighth grade Of one
OF the schools, a recitation was con.
Quoted, which for thoroughness and
clcamcss Of expression Is not often cx.
celled. Herewith are given some prob.
lens as analysed by members Of the
class
A can do a certain piece OF work In
4 10 days, and a and y together IN 8
days. Aiier a did rs OF the work. b did
the remainder how long did Il take
him.
ma can do a certain piece Of work In
ia OF ga days, In one day he can do
2'g Of the work.
II A and d together con do the same
work In J days, In one day they can do
Is Of the work. II A alone can do 1.g
OF the work 10 day, and A and u to.
gethef can do Is OF the work In 1 day,
d must do In day. the difference be.
tween - Of the work and ? Of the
work, which Is i.g OF the work.
After A did 10 Of the work. did the
remainder or 75 Of the work. II In L
day y can do 9 Of the work, TO do "a
or o'g Of the work, Il will take him az
many days as i'g Is contained times into
o. which Is o times or o days. There.
fore Il will take b days 10 do the
remainder Of the work.
LOUISE TAYLOR,
Eighth Grade, Class d.
John had stolen from him 81 Of his
money; the thief was not caught until
he had spent 81 OF all he had stolen.
the remainder, which was SO less than
John had remaining, was given back
how much money had John At frstP
II the thiel spent 81 Of all he stole, he
spent 81 OF 81 or 7S'49 Of the amount
stolen. 81 $3.50 or amount stolen,
3S'ig-2s'4g io.49 the remainder lohn
must have mad II at irst n 81 OF his
money was stolen he had left the differ.
ence between II and 81 or27. ~ OH.
1919, or amount OF money John had
LETT II io'4q, or the sum given back, Is
$50 less than John had remaining, he
must have had left the difference be.
tween 1919 and 1919 or 4.4g. n $40 Is
4'4g OF what John had at first 40 Of
what he had at first Is Ia OF $40 or sto.
and 1919, or what he had At first; h 40
times $40 or slgo.
LowsR WmpFN.
Eighth Grade, Glass b.
SO Is as times 1880 OF the salary of
the vice president Of the United States.
what Is his salary
II SO is as times 1850 OF the salary OF
the vice president Of the United States.
is times i-So OF his salary Is I-2 OF 50
or Sac.
Il $40 Is is times 1850 Of his salary
SIS or so Of his salary Is sxg7o or 500
II 500 is $50 OF his salary, $3.50, OF
his whole salary, Is Soxsioo or 5000.
Therefore, u 50 Is times 1850 Of
the salary OF the vice president OF the
United States, his salary must be 5000
EMMA ARMSTRONG,
Eighth Grade, Glass a.