1

Integers and order of operations

Work with negative numbers and calculate in the right order.

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Add and subtract integersThink of moving along a number line.Multiply integers and use the order of operationsSame signs give a positive. Different signs give a negative.Unit checkSix mixed questions from this unit. Score 80% to finish it.

2

Ratios and percents

Compare quantities and calculate percents.

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Ratios and unit ratesA unit rate tells you how much for one.PercentsPercent means per 100.Unit checkSix mixed questions from this unit. Score 80% to finish it.

3

Expressions and equations

Simplify expressions and solve first equations.

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Simplify expressionsCombine like terms and distribute.Solve your first equationsUndo each step, in reverse order.Unit checkSix mixed questions from this unit. Score 80% to finish it.