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Adding/subtracting negative numbers | Pre-Algebra | Khan Academy

1,355,737 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

99%
  • 9:12 / 9:16

Speech Rate:

  • 162 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

subtract

/səbˈtrakt/

other verb

To take away a value or amount from another. To take away a value or amount from another.

presentation

/ˌprezənˈtāSH(ə)n/

noun

Talk to show or describe something on a screen.

subtracting

/səbˈtrakt/

verb

take away number or amount from another to calculate difference.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

started

/stärt/

verb

begin or be reckoned from particular point in time or space.

welcome - welcome

/ˈwelkəm/

adjective exclamation noun verb

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

happens

/ˈhapən/

verb

take place.

negative

/ˈneɡədiv/

adjective exclamation noun verb

Being harmful, unwanted or unhelpful. no. Reply to a question or statement that means 'no'. refuse to accept.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Symbols such as 1, 2, 56, 793. To put numbers on things.

picture

/ˈpik(t)SHər/

noun verb

Painting, drawing or photograph on paper or screen. To imagine someone or something in an image.

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