Math: Whole numbers Flashcards

1
Q

How many 0’s are there in a million?

A

Six 0’s

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2
Q

How many 0’s are there in a hundred thousand?

A

Five 0’s

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3
Q

How do you turn fractions of a million into whole numbers?

A

Split the whole number and the fraction part(e.g 2 1/5=2+1/5) then x by 1000000(or how ever much the fraction is supposed to represent)

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4
Q

2 1/5 million = ? (turn to whole numbers)

A

2 200 000

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5
Q

How do you convert whole numbers into decimals of a million?

A

Divide the whole number by 1000000/whatever the number is supposed to represent.

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6
Q

How do you convert whole numbers into fractions of a million

A

put the whole number on top of 1000000 and divide using cancelation method to get your fraction, then simplify and/or convert to whole numbers

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7
Q

7500000 = ? (decimal of a million)

A

7.5 million

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8
Q

6700000 = ? (fractions of a million)

A

6 7/10

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9
Q

How do you convert fractions of a million to decimals of a million

A

Convert it into whole numbers(Split the fraction then x 1000000) then Convert whole number to decimals of a million(Divide the whole number by 1000000)

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10
Q

5 1/2 million = ? (decimals of a million)

A

5.5 million

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11
Q

How do you convert decimals of a million to whole numbers

A

x the decimal of a million by 1000000 (or whatever number its supposed to represent)

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12
Q

How do you convert decimals of a million to fraction of a million

A

Convert decimals to whole numbers (x by 1000000) then put the whole number on top of 1000000 and use cancelation to divide it.

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13
Q

9.1 million = ? (Whole numbers)

A

9100000

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14
Q

7.9 million = ? (fractions of a million)

A

7 9/10

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15
Q

how do you divide decimals by whole numbers? (Specifically decimals being divided not whole number)

A

Divide as normal but place the decimal point in the same place it was in during the division. (Annexing the decinal)

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16
Q

What are prime numbers?

A

Numbers which are only divisible by 1 and itself

17
Q

What are composite numbers?

A

Composite numbers are numbers which are divisible by other numbers than 1 and itself

18
Q

How do you X fractions with a whole number?

A

Write the whole number as a fraction with a denominator of 1.
Multiply the numerators with each other.
Multiply the denominators with each other.
Simplify. , if needed. If your answer is greater than 1, you may want to write your answer as a mixed number.

19
Q

How do you divide whole numbers with decimals? (Whole numbers divided specifically)

A
  1. Remember how many numbers trail the decimal.
  2. Divide as if the decimal was a whole number.
  3. Add the decimal point to the number of trailing numbers on the decimal.