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- DecimalsToggle Dropdown
- Place value
- Comparing and ordering decimals
- Rounding to a place
- Significant figures
- Standard form and engineering notation
- Adding decimals
- Subtracting decimals
- Multiplying decimals
- Dividing decimals
- Converting decimals to fractions
- Converting decimals to percents
- Converting between decimals, fractions and percents
- Ordering decimals, fractions and percents

- FractionsToggle Dropdown
- Understanding fractions
- Simplifying (reducing) fractions
- Equivalent fractions
- Comparing fractions
- Ordering fractions
- Mixed numbers and improper fractions
- Adding fractions
- Subtracting fractions
- Adding and subtracting mixed numbers
- Multiplying fractions
- Dividing fractions
- Multiplying and dividing mixed numbers
- Converting fractions to decimals
- Converting fractions to percents
- Converting between fractions, decimals and percents
- Ordering fractions, decimals and percents

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- Metric units of measure
- Perimeter of squares, rectangles and triangles
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- PercentsToggle Dropdown
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- Trigonometry

The sine, cosine and tangent ratios we're studying here ONLY work with right triangles.

- Study finding an angle measure using trigThis page from mathsisfun.com explains how to find the measure of an unknown angle using trig ratios (sine, cosine and tangent). The explanation is followed by worked examples and a set of practice questions.
- Quiz yourself on finding an unknown angle measure using trigDo you know how to find an unknown angle measure using sine, cosine and tangent? Test yourself at mathopolis.com!

Use these search terms to find your own resources:

*solving right triangles with trigonometry
solving right triangles with sines, cosines and tangents*