Sets and Addition Sentence

A set is a group of objects. We call the objects in each set as elements.

ADDITION SENTENCE

  1. An addition sentence has many parts. The number we add are called the addends. The answer is called the sum. The symbol "+" is called the plus sign. It means we add or put together. The symbols "=" is called the equal sign. We write the sum after this sign.
  2. There are two ways of writing an addition sentence. We have the horizontal and vertical ways of writing addition sentences
  3. When we add using the number line, we always start from 0.
  4. The Commutative or Order Property Addition means that changing position of places of the addend will not change the sum/
  5. The Associative  or Grouping Property of Addition means that changing the position or places of the addends will not change the sum
  6. The Zero Property of Addition means that any number added to zero is always equal to the same number.
  7. We can add two-digit numbers horizontally by writing their expanded form. This is called the long method  of adding numbers
  8. We can also add two-digit numbers vertically. To add two-digit numbers, we must put the ones digits in one column and the tens digit in another column. This is the short method  of adding numbers.
  9. There are easy steps we must follow to solve a word problem which are"
    1. What are the given numbers in the problem?
    2. What is asked in the problem?
    3. What shall we do? Write your plan
    4. What is the number sentence?
    5. Solve
    6. What is the answer? Label it.

Comments

Post a Comment

Popular posts from this blog

Basketball Hand Signals

Image
Jump Ball  You can see jump ball hand signal in every start of the game. It determines who will have the possession of the ball. Two players facing to each other attempt to gain control of the ball after it is tossed up into the air in between them by an official or referee. Player Control Foul According to Wikipedia, a personal foul is a breach of the rules that concerns illegal personal contact with an opponent. It is the most common type of foul in basketball. Once a player accumulate a certain number of Personal foul, the player must be Substituted out and is no longer allowed to re-enter the game, and is considered to be " Fouled-Out ". The Personal Foul limit is 6 for the NBA and 5 for FIBA competitions. The assessing of a Personal Foul is completely up to the Referee(s), who use their own judgement in deciding whether a certain instance of contact played a player at an advantage / disadvantage. There are many different forms of Personal Foul, these inclu...
Read more

Uhaw ang Tigang na Lupa- Liwayway A. Arceo

1 Ilang gabi nang ako ang kapiling niya sa higaan. Tila musmos akong dumarama sa init ng kanyang dibdib at nikikinig sa pintig ng kanyang puso. Ngunit, patuloy akong nagtataka sa malalim na paghinga niya, sa kanyang malungkot na pagtitig sa lahat ng bagay, paghikbi... 2 Ilang araw ko nang hindi nadadalaw ang aklatan: ilang araw ko nang hindi nasasalamin ang isang larawang mahal sa akin: bilugang mukha, malapad na noo, hati-sa-kaliawang buhok, singkit na mga mata, hindi katangusang ilong, mga labing duyan ng isang ngiting puspos-kasiyahan...Sa kanya ang aking noo at mga mata. Ang aking hawas na mukha, ilong na kawangki ng tuka ng isang loro, at maninipis na labi, ay kay Ina... 3 Sa Ina ay hindi palakibo: siya ay babaing abilang at sukat ang pangungusap. Hindi niya ako inuutusan. Bihira siyang magalit sa akin at kung nagkakagayon ay maikli ang kanyang pananalita: Lumigkit ka!... At kailangang ‘di ako makita. Kailangang ‘do ko masaksihan ang kikislap na poot sa kanyang mga mata. Ka...
Read more

White Dots

According to Dr. Fina Lopez, DMD, "White dots are usually warning signs that the tooth is starting to decay." If they are chalky white, it means the tooth has lost its luster; therefore, some minerals have been lost. All efforts should be focused on bringing back lost minerals to the teeth. WAYS TO BRING BACK LOST MINERALS TO THE TEETH  Eat food that's high in calcium and phosphate Brush your teeth regularly with fluoridated toothpaste Visit you dentist for more advice Employing more aggressive preventive strategies to encourage the reversal of the impending tooth decay. On the other hand, when new teeth erupt there may be a small or large white spots that are smooth and shiny on your teeth. These spots formed during development are called Enamel Hypoplasia or Hypocalcification . The presences of white dots definitely means it's time for your daughter to pay a visit to dentist soon.
Read more