Maths

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Order and value
On a number line, positive numbers are to the right of zero and negative numbers are to the left of zero. Numbers on the left are smaller than the numbers on the right.
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Calculating with decimals
When multiplying, remove the decimal points and multiply the whole numbers. When dividing, change the problem so that you divide by a whole number.
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Standard form
Standard form is used to represent very small or large numbers. A number in standard form is written in the form A x 10^n.
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Multiples
Are found in the 'times table' of the number.
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A factor (divisor)
Is a number that will divide exactly into another number without leaving a remainder.
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A prime number
Has only two factors, 1 and itself.
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Square numbers
are the results of multiplying together two numbers that are the same, they are shown using a power of two.
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A square root
is the inverse (opposite) of a square number.
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Cube numbers
are the results of multiplying together three numbers that are the same, they are shown using a power of three.
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A cube root
is the inverse of a cube
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LCM
The lowest common multiple of two numbers is the smallest integer that is a multiple of both numbers.
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HCF
The highest common factor of two numbers is the largest integer that will divide exactly into both numbers.
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Prime factors
Factors of a number that are also prime are called prime factors.
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Choices and outcomes
The product rule (multiplication rule) for counting is used to find the total number of combinations or permutations possible for a given scenario.
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Product rule
It states: if there are A ways of doing task 1 and B ways of doing task 2, then there are A x B ways of doing both tasks.
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Basic algebra
'like terms' are terms with the same variable. To simplify an expression you must collect the like terms.
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Other cards in this set

Card 2

Front

When multiplying, remove the decimal points and multiply the whole numbers. When dividing, change the problem so that you divide by a whole number.

Back

Calculating with decimals

Card 3

Front

Standard form is used to represent very small or large numbers. A number in standard form is written in the form A x 10^n.

Back

Preview of the back of card 3

Card 4

Front

Are found in the 'times table' of the number.

Back

Preview of the back of card 4

Card 5

Front

Is a number that will divide exactly into another number without leaving a remainder.

Back

Preview of the back of card 5
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