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9×GooGooCalc⌕

Order of Operations (PEMDAS)

One operation at a time, with the reason that one goes next. Brackets, exponents, then × ÷, then + −.

Expression

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Grades 6

Evaluating Expressions

Put a number in for x, then work through it in the right order.

Grades 6

Two-Step Equations

Undo the addition first, then the multiplication — doing the same thing to both sides every time.

Grades 6

Adding & Subtracting Integers

Walk it out on a number line — including why subtracting a negative moves you right.