G7 Mathematics Review
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Questions and Answers

Mario buys two soft drinks costing $7.00 each and three pieces of bread costing $5.00 each. Which operation will determine the total amount Mario will pay?

  • Addition and subtraction
  • Multiplication and addition (correct)
  • Multiplication and subtraction
  • Multiplication

What number must be added to 4 to make the equation $4 + \underline{\hspace{0.5cm}} = 2 + 9$ true?

  • 5
  • 7 (correct)
  • 9
  • 6

What number must be subtracted from 5 to obtain -2?

  • 7 (correct)
  • 6
  • 4
  • 5

If set A consists of one-digit numbers greater than zero, how many elements are in set A?

<p>9 (C)</p> Signup and view all the answers

Which of the following represents a set of even numbers?

<p>A = {2, 4, 6} (C)</p> Signup and view all the answers

If A = {cute, kind} and B = {cute, kind, pretty}, what is A ∪ B (the union of sets A and B)?

<p>A ∪ B = {cute, kind, pretty} (B)</p> Signup and view all the answers

Given A = {cute, kind, pretty} and B = {cute, kind}, what is A ∩ B (the intersection of sets A and B)?

<p>A ∩ B = {cute, kind} (B)</p> Signup and view all the answers

If A + B = C and C = 10, which of the following is a possible value for A and B?

<p>5 and 5 (D)</p> Signup and view all the answers

In a solution prepared for an experiment, which mixture is most likely to be chosen?

<p>Sugar and water (C)</p> Signup and view all the answers

Which of the following mixtures is best classified as heterogeneous?

<p>Sandwich (D)</p> Signup and view all the answers

Why is copper a suitable choice as a material for cooking pans?

<p>Copper is a good conductor of heat (C)</p> Signup and view all the answers

Which of the following is NOT an example of a compound?

<p>Dry gold (B)</p> Signup and view all the answers

Substance A causes blue litmus paper to turn red when added to water. What is Substance A likely to be?

<p>Vinegar (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic property of metals?

<p>Brittleness (D)</p> Signup and view all the answers

Using the pH scale, which of the following is an example of a base?

<p>Blood (7.4) (C)</p> Signup and view all the answers

Which of the following is NOT an organ of the circulatory system?

<p>Kidney (C)</p> Signup and view all the answers

Which of the following correctly represents the levels of organization in an organism?

<p>Cell → Tissue → Organ → Organ system → Organism (D)</p> Signup and view all the answers

Which laboratory equipment is most suitable for observing a blood cell in detail?

<p>Microscope (C)</p> Signup and view all the answers

Which part of a cell functions as a storage for water and food, and also aids in the excretion of waste materials?

<p>Vesicles (C)</p> Signup and view all the answers

How does Spirogyra, a type of green algae, reproduce in freshwater habitats?

<p>Conjugation (B)</p> Signup and view all the answers

In the food chain RICE → BIRD → HAWK → PYTHON, which organism is considered a first-order consumer?

<p>Bird (A)</p> Signup and view all the answers

Under which conditions is an object considered to be in motion?

<p>I, II and III only (B)</p> Signup and view all the answers

Which of the following will produce sound?

<p>Vibrating objects (C)</p> Signup and view all the answers

A gardener snips the weeds one by one in the garden. What does snips mean in this sentence?

<p>Cut with a blade (C)</p> Signup and view all the answers

The toy airplane soared gently in the strong wind. What does soared mean in this sentence?

<p>Flew upwards (B)</p> Signup and view all the answers

Which of the following inferences can be drawn from the poem 'Mirror'?

<p>The speaker is closely examining their own identity and aging. (A)</p> Signup and view all the answers

Which of the following literary devices refers to the similarity of sounds in the syllables of the last word in each line?

<p>Tugma (C)</p> Signup and view all the answers

In the poem, the line 'Here hides my lover, mother and father, child, sibling' suggests that:

<p>The speaker sees their family reflected in their own identity. (D)</p> Signup and view all the answers

The news report discusses a fire in Banaybanay, Davao Oriental that destroyed a portion of the mountains. What was the primary cause of this fire?

<p>A neglected small fire of dried leaves. (B)</p> Signup and view all the answers

What does the word 'persistent' mean in the sentence: 'Persistent youth, you have to prove by deeds your love is true'?

<p>Insistent (C)</p> Signup and view all the answers

According to the news report, what specific environmental program suffered a setback due to the fire in Davao Oriental?

<p>National Greening Program (B)</p> Signup and view all the answers

What is the antonym (opposite) of the word 'oppress' in the sentence: 'This traverse may the poorest take without oppress of toll.'?

<p>Promote (C)</p> Signup and view all the answers

In the sentence, ‖I saw a bird with gorgeous plumes,‖ which of the following words is NOT a synonym of 'gorgeous'?

<p>Excellent (B)</p> Signup and view all the answers

Which government department is most likely in charge of the 'National Greening Program' mentioned in the news report?

<p>Department of Public Works and Highways (D)</p> Signup and view all the answers

In the sentence, “And loud he groaned with pain,” which of the following also describes the underlined word?

<p>Complained (A)</p> Signup and view all the answers

In the line, 'Because the word is a sentence, In the town, in the kingdom,' the words 'sentence' and 'kingdom' in the stanza of the poem rhyme in _________

<p>Vowel (D)</p> Signup and view all the answers

What is the meter or number of syllables in each line?

<p>12 (B)</p> Signup and view all the answers

In the sentence, 'Now medical researchers are discovering another truism. Alcohol and Tobacco do not mix,' what does 'truism' mean?

<p>Belief (A)</p> Signup and view all the answers

In the poem excerpt, 'Little by little,' an acorn said, / As it slowly sank in its mossy bed, / I am improving every day, / Hidden deep in the earth away,' what is the best meaning of the expression 'little by little'?

<p>Gradually (B)</p> Signup and view all the answers

What is the name for this type of meter in poetry?

<p>Free meter (B)</p> Signup and view all the answers

In the poem excerpt, 'I often stop and wonder / Why the lightning comes in a flash; / They tell us in science / That is an electrical discharge,' what does the word 'discharge' mean?

<p>Removal of stored energy (B)</p> Signup and view all the answers

Which of the following describes a novel?

<p>Literary form that undergoes the riches of culture, social customs and the daily lives of ordinary people (A)</p> Signup and view all the answers

In the excerpt, 'Through this toilsome world, alas! / Once and only once I pass,' which of the following words is NOT a synonym of 'toilsome'?

<p>Light (D)</p> Signup and view all the answers

Which of the following describes a caesura?

<p>The regular pause or breath within a verse according to the groupings of words and pronunciations in the verse (C)</p> Signup and view all the answers

In the excerpt, 'Why does the sea sob, Mother / As it breaks on the rocky shore? / It recalls the sorrows of the world / And weeps forevermore,' which of the following words shares the same meaning as 'sob' and 'weep'?

<p>Cry (D)</p> Signup and view all the answers

Which of the following describes poetry?

<p>A literary form that expresses the feelings of a person. (D)</p> Signup and view all the answers

In the excerpt, 'When the wind passes by / Must I stoop and try / To measure fully / My flexibility,' which of the following is LEAST likely to be described as 'stooping'?

<p>Pole (A)</p> Signup and view all the answers

Which of the following describes rhyme?

<p>The similarities in the final sounds of lines of poetry; (A)</p> Signup and view all the answers

Based on the selection about the old woman begging on the train, what is the central theme?

<p>Travel (D)</p> Signup and view all the answers

In the selection about the beggar, which of the following roles is MOST likely held by the speaker?

<p>Writer (C)</p> Signup and view all the answers

What mood is conveyed in the story about the old woman begging on the train?

<p>Disgust (D)</p> Signup and view all the answers

The passage about the old woman begging on the train is best classified as which genre?

<p>Short story (B)</p> Signup and view all the answers

Flashcards

Sum of numbers

The total obtained by adding numbers together.

Operation to find total cost

Adding costs of items to determine the total price.

Equation solution

Finding the missing number that makes the equation true.

Set of one-digit numbers

A collection of numbers from 1 to 9.

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Set of even numbers

A collection of numbers divisible by 2.

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Prime numbers

Numbers greater than 1 that have no divisors other than 1 and themselves.

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Union of sets

A set containing all elements from two or more sets.

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Supplementary angles

Two angles that add up to 180 degrees.

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Rhyme

Similarity in sound between words at the end of lines in poetry.

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Syllable count

The number of syllables in each line of poetry must be the same.

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Persistent

Continuing firmly or steadily despite difficulties.

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Oppress

To impose hardship or stress on others.

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Gorgeous

Beautiful; very attractive or lovely.

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Groan

To make a low sound of pain or discomfort.

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Discharge

The release or removal of stored energy.

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Toilsome

Requiring a lot of hard work; laborious.

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Sob

To cry noisily, making short, convulsive gasps.

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Stooping

Bending down forward or lowering oneself.

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Speaker's mood

The emotional state or feeling conveyed by the speaker.

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Persona in song

The narrator or character expressing feelings in lyrics.

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Figures of speech

Expressions used to convey meanings in creative ways.

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Metaphor

A comparison between two unlike things without using 'like' or 'as'.

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Simile

A comparison using 'like' or 'as' for clarity.

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Mean

The average of a set of numbers, calculated by dividing the sum by the count.

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Mode

The number that appears most frequently in a data set.

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Range

The difference between the highest and lowest values in a set of numbers.

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Kilometer

A unit of length equal to 1,000 meters.

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Compound

A substance formed when two or more chemical elements are chemically bonded together.

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Heterogeneous mixture

A mixture where the individual components are not uniform and can be separated.

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pH scale

A numerical scale from 0 to 14 indicating how acidic or basic a substance is.

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Cell Organization

The arrangement of cells into tissues, organs, and systems.

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First-order consumer

An organism that eats primary producers, typically herbivores.

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Motion

The change in position of an object with respect to a point of reference.

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Sound production

The result of vibrating objects creating waves in the air.

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Atmosphere layers

The distinct layers surrounding the Earth based on temperature and composition.

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Water vapor

Water in its gaseous state, found primarily in the troposphere.

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Copper properties

Copper is malleable, ductile, an excellent conductor of heat and electricity.

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Troposphere

The lowest layer of Earth's atmosphere where weather occurs.

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Stratosphere

The second layer of the atmosphere above the troposphere, containing the ozone layer.

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Mesosphere

The atmospheric layer above the stratosphere, where temperatures decrease with altitude.

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Thermosphere

The layer of the atmosphere above the mesosphere, characterized by high temperatures.

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Exosphere

The outermost layer of Earth's atmosphere, transitioning into space.

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Tropical Rainforest Location

Typically located near 0° latitude, where it's warm and wet.

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Syllable Count in Poetry

The number of units of sound in a line of poetry, important for rhythm.

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Rhyme in Poetry

The repetition of similar sounds in poetry, creating rhythm.

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Caesura

A natural pause within a line of poetry, often marked by punctuation.

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National Green Program

A government initiative aimed at environmental preservation through planting trees.

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Fire Hazard

A situation that increases the risk of fire occurring.

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Natural Resources

Materials or substances occurring in nature that can be used for economic gain.

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Syllable

A unit of sound in a word, consisting of a vowel and possibly surrounding consonants.

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Pantheon of Literature

A collective term for the most important authors and works in any genre.

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Study Notes

Entrance Examination - G7

  • Mathematics

    • Sum of 3.14, 31.4, and 0.314 is 34.854
    • Mario needs addition and multiplication to calculate cost of drinks and bread.
    • In the equation 4 + ?= 2 + 9, the missing number is 7.
    • To get -2 by subtracting from 5, subtract 7.
    • Set of one-digit numbers greater than zero has 9 elements.
    • A set of even numbers is {0, 2, 4} or {2, 4, 6}
    • A set of prime numbers is {2, 3, 5, 7}.
    • Union of sets A=(cute, kind) and B=(cute, kind, pretty) is (cute, kind, pretty).
    • Intersection of sets A=(cute, kind, pretty) and B=(cute, kind) is (cute, kind).
    • Possible values for A & B in A+B=10 are 5&5, 4&6, 1&9; etc.
    • ―Take away a number from 4‖ is represented by 4-x
    • In x+3=7, x=4.
    • Sum of x+x is 2x
    • A closed figure with 3 sides and 3 angles is a triangle.
    • A series of points extended in opposite directions is a line.
    • Supplementary angles add up to 180°. If angle A=80°, then angle B = 100°
    • Perpendicular lines form a 90° angle. Therefore, angles A and B are equal in measure.
    • Mean of 2, 5, 3, 2 is 3.
    • Mode of 2, 5, 3, 2 is 2.
    • Range of 2, 5, 3, 2 is 3.
    • There are 4 cases in 2, 5, 3, 2.
    • 1 kilometer = 1000 meters.
    • 1 1/2 kg = 1500 grams
    • 25 decimeters = 2.5 meters

  • Science

    • Sugar and water make a homogeneous mixture.
    • A heterogeneous mixture is a sandwich.
    • Copper is a good cooking pan material because it's a good conductor of heat.
    • Dry gold is not a compound.
    • Vinegar turns blue litmus paper red, indicating acidity.
    • Brittleness is not a characteristic of metals.
    • Blood (pH 7.4) is an example of a base.

  • Biology

    • Kidney is not an organ of the circulatory system.
    • Correct level of organization: cell → tissue → organ → organ system → organism
    • Microscope is used to observe blood cells.
    • Vacuoles store water, food, and excrete waste.
    • Spirogyra reproduces via conjugation.
    • Bird is a first-order consumer.

  • Physics

    • An object is in motion when its position changes relative to a reference point.
    • Average speed = distance/time
    • Vibrating objects produce sound.
    • Blue light carries the most energy in the ROYGBIV spectrum.
    • Electricity is used when potential energy of electrons changes into other forms.

  • Earth Science

    • Atmospheric layers are divided based on changes in temperature.
    • Most water vapor is in the troposphere.
    • Hikers need thicker clothes at high altitudes because temperature decreases with altitude.
    • Correct order of atmospheric layers from bottom to top: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere.
    • Tropical rainforests are located at low latitudes (0°).

  • Filipino

    • Vocabulary
      • dumadusdos - to descend, flow down
      • suklob - cover
      • titigpas - to cut with a knife
      • umimbulog - to rise
      • nakatinghas - erect, standing up straight.
    • Reading Comprehension (Poem "Salamin")
      • The poem describes the persona seeing themselves reflected in a mirror.
      • dito refers to the persona's heart or emotions.
      • tatapatan means to meet or confront.
    • Reading Comprehension (News Article)
      • The fire occurred in Banaybanay, Davao Oriental.
      • The fire was put out on Wednesday.
      • The cause was an unattended fire from dried leaves.
      • The topic is a forest fire.
      • The program is the National Green Program run by the Department of Environment and Natural Resources.

  • English

    • Vocabulary and Reading Comprehension

      • persistent - insistent
      • oppress - antonyms are promote, facilitate
      • gorgeous plumes - striking, excellent etc.
      • groaned - Complained
      • truism - commonly accepted belief
      • little by little - gradually
      • discharge - removal of stored energy
      • toilsome - synonyms are hard, laborious, painful
      • sob and weep - cry/weep
      • stoop - bend down

    • Reading Comprehension (Short Story)

      • The text details a passenger’s disgust with a beggar on a train.

    • Literature (Song)"

      • The persona in the song shows weakness in moving on.
      • The persona values past moments with their significant other.

  • Figures of Speech

    • corrupt government officials- metaphor
    • Corruption and greed is to downfall ... - analogy
    • greedy politicians are like crocodiles - simile
    • ―This is my lucky day‖- irony.
    • Life is a long long journey - repetition.

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Review of basic math concepts for Grade 7 entrance exams. Topics include addition, subtraction, sets, and basic geometry. Covers number properties, equations, and angle relationships.

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