This is an awesome engagement activity for balancing chemical equations. The full lesson will leave no doubts in your students.
Present Perfect exercises Present Perfect Worksheet from iSLCOLLECTIVE (My login name is PiggyMama)
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Sine, Cosine, Tangent diagram. For help on how to identify the adjacent, opposite, and hypotenuse. (PS: Includes formulas.)
Mind Map with Memo Maps for all central derivations from Maxwell's equations
trigonometry definition sheet
This has most likely been posted here before, but it's incredibly useful.