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Calendario Matematico, Ejercicios de Matemáticas

Matemáticas

Ejercicios para resolver y te pones a pensar. Es divertido hacerlo

Tipo: Ejercicios

2020/2021

Subido el 09/08/2021

jhenry-gelvez
jhenry-gelvez 🇨🇴

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March1st
ZeroDiscriminationDay
BenjaminFranklin
Onthesurfaceofalakefallevery
daytwiceasmanyleavesasthose
thatfellthedaybefore.Onthe
firstday,threeleavesfell.After
20daysthesurfaceofthelake
hasbeencoveredwithleaves.
Afterhowmanydaysdidthe
numberofleavescoverhalfthe
surfaceofthelake?Howmany
leaveswerethereatthetime?
PQRSisarectangle.
UandTaremidpoints.
Findanexpressiontocalculate
theareaoftheshadedtriangle.
x,yaretwodigitswith
x+y=9.
Findtheleastandgreatest
valueoftheexpression:
Describethepolygonformed
bythegraphsof:
Whatareitsvertices?
Themathassessmenthad30
questions.Foreachcorrect
answer,5pointswereearned.
Foreachincorrectansweroran
unansweredquestion,2points
werelost.Francisscored94
pointsonthisassessment.
Howmanycorrectanswersdid
Francishave?
Calculate
thelength
ofthearc
drawnwith
athick
line.
Inthenewzoothelioness's
cagewillbeacubeof3meters
ofedge,withrodsplacedat
10cm,oneoftheother,onall
facesofthecube,excepton
thefloor.
Howmanymetersofroddoes
ittaketobuildthiscage?
Arethesegments
ABandBC
perpendicular?
Justify!
Isthetriangle
∆
ADEequilateral?
Findtheareaofthe
parallelogramABCD.
Showthattheshaded
trianglesarecongruent.
M:midpoint
Howmanynaturalnumbers
n,lessthan100,meetthe
conditionthat
(n−1)(n+1)+1
isasquarenumber?
Ifyouaddthesumofits
digitstoanumbern,
youget1001.
Findallpossiblevalues
ofn.
R
×
R=O
M
×
M=E
A<T<S
consecutive
E<Iconsecutive
__EN
___EN
____EN
sharp
afemaleruler
essentialfor
respiration
Alphametic
A<E<W<Kprimedigits
Onlypositivedigits
One of the symptoms of
approaching nervous breakdown
is the belief that one's work is
terrible important.
Bertrand Russell
Album1998:
¿Dóndeestán
losladrones?
Thisnamehas
nineletters,
beginsata
cornerandforms
aspiralthatends
inthecenter.
Findoutand
completeit!
Inthis3x3array,an
animal'snameishidden.
Explorethisproblemwithsome
dynamicgeometryprogram.
Americanscientistand
diplomat.Hismathematical
interestsincludedmagic
squares.
Discovertheyearsofhis
birthanddeathbysolving
thesudokuwiththedigits
alreadygiven.
Personality
Tributeto
Shakira
EndPoint
Drawhorizontalandvertical
segmentsthatjointhecentersof
someboxes.Eachsegment
connectstwosquaresindifferent
regions.Anumberinaregion
indicateshowmanysegments
beginorendinit.Allcellsmust
containpartofsomesegment.
Thesegmentsmustnotcrosseach
other.
Example
LightandShadow
Dividethearrangementinto
shadedandunshadedregions.
Eachgivennumbermust
belongtoaregion,andthat
regionmusthaveasmanycells
asthenumberindicates.Two
regionsofthesamecolorcan
onlytouchatonepoint.
Example
Discoverthewords.
PlayingwiththeLogikube
Usethefourpolycubes
onthelefttobuilda
symmetricalfigure.
Nowuseallfive
polycubes,fouronthe
leftandoneontheright,
tobuildanother
symmetricalfigure.
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¡Descarga Calendario Matematico y más Ejercicios en PDF de Matemáticas solo en Docsity!

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March 1st Zero Discrimination Day

Benjamin Franklin

On the surface of a lake fall every day twice as many leaves as those that fell the day before. On the first day, three leaves fell. After 20 days the surface of the lake has been covered with leaves. After how many days did the number of leaves cover half the surface of the lake? How many leaves were there at the time?

PQRS is a rectangle. U and T are midpoints. Find an expression to calculate the area of the shaded triangle.

x , y are two digits with x+y = 9. Find the least and greatest value of the expression:

Describe the polygon formed by the graphs of:

What are its vertices?

The math assessment had 30 questions. For each correct answer, 5 points were earned. For each incorrect answer or an unanswered question, 2 points were lost. Francis scored 94 points on this assessment. How many correct answers did Francis have?

Calculate the length of the arc drawn with a thick line.

In the new zoo the lioness's cage will be a cube of 3 meters of edge, with rods placed at 10 cm, one of the other, on all faces of the cube, except on the floor. How many meters of rod does it take to build this cage?

Are the segments AB and BC perpendicular? Justify!

Is the triangle ∆ ADE equilateral?

Find the area of the parallelogram ABCD.

Show that the shaded triangles are congruent.

M : midpoint

How many natural numbers n , less than 100 , meet the condition that ( n −1)( n +1) + 1 is a square number?

If you add the sum of its digits to a number n , you get 1001. Find all possible values of n.

R × R= O M × M = E

A<T<S consecutive E<I consecutive

_ _ E N

_ _ _ E N

_ _ _ _ E N

sharp

a female ruler

essential for respiration

Alphametic

A<E<W<K prime digits Only positive digits

One of the symptoms of approaching nervous breakdown is the belief that one's work is terrible important.

Bertrand Russell

Album 1998: ¿Dónde están los ladrones?

This name has nine letters, begins at a corner and forms a spiral that ends in the center. Find out and complete it!

In this 3x3 array, an animal's name is hidden.

Explore this problem with some dynamic geometry program.

American scientist and diplomat. His mathematical interests included magic squares.

Discover the years of his birth and death by solving the sudoku with the digits already given.

Personality

Tribute to Shakira

End Point Draw horizontal and vertical segments that join the centers of some boxes. Each segment connects two squares in different regions. A number in a region indicates how many segments begin or end in it. All cells must contain part of some segment. The segments must not cross each other.

Example

Light and Shadow

Divide the arrangement into shaded and unshaded regions. Each given number must belong to a region, and that region must have as many cells as the number indicates. Two regions of the same color can only touch at one point.

Example

Discover the words.

Playing with the Logikube

Use the four polycubes on the left to build a symmetrical figure.

Now use all five polycubes, four on the left and one on the right, to build another symmetrical figure.

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1199997 7 2 2002211

BByy CCoolloommbbiiaannss ffoorr tthhee wwhhoollee wwoorrlldd..

"W "Wee aarree wwhhaatt wwee ddoo toto cchhaannggee wwhhaatt wwee aarree.."" EEdduuaarrddoo GGaalleeaannoo

AA mmoonntthhllyy ppuubblliiccaattiioonn bbyy^ AAuutthhoorrss:: TeTeaamm CCoolloommbbiiaa AApprreennddiieennddoo Di Dirreeccttoorr:: CaCarrllooss ZZuulluuaaggaa

De Deaarr CCoolllleeaagguuee:: LLeett uuss pprrootteecctt aanndd rreessppeecctt aauutthhoorr''ss rriigghhttss.. DDoo nnoott uussee tthhiiss mmaatteerriiaall wwiitthhoouutt aauutthhoorriizzaattiioonn..

FFoouurrtthh LLeevveell

MMaarrcchh

EExxpplloorraattiioonn

Problem

Solution

In this 6 x 6 array, in each row, in each column and in each region marked with thick segments, the digits 1 to 6 must appear, each exactly one.

In addition, the digits in the circles between two boxes represent the remainder when the larger digit is divided by the smaller digit.

Sudoku Remainders

PROBLEM ONE

Complete the sudoku remainders.

PROBLEM TWO

Complete the sudoku remainders.

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