Inverse Operations and percentages | Baamboozle - Baamboozle

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Inverse Operations and percentages

Study Slideshow

#maths

What does the equal sign mean?

It indicates equality of two expressions on each side of the sign

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Draw the greater than symbol on the board

students drawing

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Draw the less that symbol on the board

Sts drawing

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What is a percentage in Math?

It's a number that can be expressed as a fraction of 100

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Complete : a pencentage can be written as a ___________ and a __________

fraction and decimal number

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How can you convert a percentage into a decimal number?

Divide by 100

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How can you convert a decimal number into a percentage?

Multiply by 100

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What are the four basic operations in Math?

Addition, subtraction, multiplication and division

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Read and solve this operation 55 - 44 =

Fifty- five minus forty four equals eleven

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Read and solve: 12 x 5

Twelve times five equals sixty

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Read and solve 100 ÷ 4 = 25

One hundred divided by four equals

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What is the inverse of this operation 11 + 10 = 21

21-10 = 11 or 21 - 11 = 10

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What is the inverse operation of : 16000 ÷ 1000 =

16 x 1000 = 16000

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Calculate if this is correct 3,970,001 = (3x1,000,000) + (9 x 100,000) + (7 x 10,000)

No. 3,970,001 = (3x1,000,000) + (9 x 100,000) + (7 x 10,000) + 1

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Calculate if this is correct 5,620,001 = (5x1,000,000) + (6 x 100,000) + (2 x 10,000) + 1

yes

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What is the inverse of: 60 x 2 =

120÷60 = 2

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