Sorting

0.211, 0.201, 0.300, 0.310, 0.212  →  0.201, 0.211, 0.212, 0.300, 0.311

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Estimating

$19.95 ≈ $20.00

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Tables

Although the Mathematical Reasoning module of the GED allows you to utilize a calculator for most of its questions, knowledge of mathematical tables is useful for the five
calculator-prohibited questions.

Knowing multiplication and division tables is particularly helpful with factoring and simplifying a square root.

Knowing multiplication and division tables is also helpful for working with equations and inequalities.

Knowing mathematical tables has a way of coming in handy in real life, too.

Addition, Subtraction, Multiplication, and Division tables are provided below. Continue reading “Tables”

Toggle

toggle

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π

π

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Division by Zero = Undefined

Do not divide by zero.

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Negatives

(-)

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Order of Operations

Order of Operations = PEMDAS

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Division Signs

There are several versions of the division sign.

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Multiplication Signs

There are multiple versions of the multiplication sign.

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Rounding

Round ↑     5, 6, 7, 8, 9
Round ↓     0, 1, 2, 3, 4

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