1.In right triangle ABC with right angle at C, leg AC (adjacent to angle A) = 15 cm and hypotenuse AB = 17 cm. What is the value of cos(A)?
Free Printable Worksheet Library
Browse original practice for Pre-K through Grade 12. Each resource explains its learning goal and opens a workspace to preview, customize where supported, and print or save as PDF.
10 complete teaching packs: previews & PDF downloads →68 resources · Page 3 of 3
Argument Connectors Conditions and Cautious Claims: Explore and Explain
Explore · Independent · 12 min · Developing academic English: connectors and sentence frames
Connect a claim and reason with explicit sentence frames. Use concession, condition and modal language accurately. Write and revise a connected qualified argument. A focused learn activity. Use the linked unit for the learning sequence and teaching guide.
Argument Connectors Conditions and Cautious Claims: Practice Independently
Practice · Independent · 15 min · Developing academic English: connectors and sentence frames
Connect a claim and reason with explicit sentence frames. Use concession, condition and modal language accurately. Write and revise a connected qualified argument. A focused practice activity. Use the linked unit for the learning sequence and teaching guide.
Coordinate Transformations and Proof: Apply and Create
Apply · Independent · 25 min
Map corresponding vertices with a rigid motion. Calculate and compare side lengths. Build a congruence argument and distinguish a dilation. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.
Coordinate Transformations and Proof: Explore and Explain
Explore · Independent · 12 min
Map corresponding vertices with a rigid motion. Calculate and compare side lengths. Build a congruence argument and distinguish a dilation. A focused learn activity. Use the linked unit for the learning sequence and teaching guide.
Coordinate Transformations and Proof: Practice Independently
Practice · Independent · 20 min
Map corresponding vertices with a rigid motion. Calculate and compare side lengths. Build a congruence argument and distinguish a dilation. A focused practice activity. Use the linked unit for the learning sequence and teaching guide.
Right Triangle Ratios and Similarity: Apply and Create
Apply · Independent · 25 min
Identify sides relative to an acute reference angle. Calculate ratios and corresponding lengths. Justify complementary-angle relationships and apply a ratio. A focused apply activity. Use the linked unit for the learning sequence and teaching guide.
Right Triangle Ratios and Similarity: Explore and Explain
Explore · Independent · 12 min
Identify sides relative to an acute reference angle. Calculate ratios and corresponding lengths. Justify complementary-angle relationships and apply a ratio. A focused learn activity. Use the linked unit for the learning sequence and teaching guide.
Right Triangle Ratios and Similarity: Practice Independently
Practice · Independent · 20 min
Identify sides relative to an acute reference angle. Calculate ratios and corresponding lengths. Justify complementary-angle relationships and apply a ratio. A focused practice activity. Use the linked unit for the learning sequence and teaching guide.
Geometry & Trigonometry: SOH CAH TOA & Right Triangles
Practice · Independent · 35 min
Selected high-school practice with evidence, conditions and a written explanation.
High School Chemistry: Stoichiometry & Mole Ratio Calculations
Practice · Independent · 20 min
High School Chemistry — Stoichiometry & Mole Ratio Calculations. Determine a limiting reactant from a balanced equation. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Read Reaction Ratios: Apply and Create
Apply · Independent · 20 min
Read Reaction Ratios — Apply and Create. Determine a limiting reactant from a balanced equation. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Read Reaction Ratios: Explore and Explain
Explore · Independent · 15 min
Read Reaction Ratios — Explore and Explain. Determine a limiting reactant from a balanced equation. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Read Reaction Ratios: Practice Independently
Practice · Independent · 15 min
Read Reaction Ratios — Practice Independently. Determine a limiting reactant from a balanced equation. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Use Feedback Thoughtfully: Apply and Create
Apply · Independent · 20 min
Use Feedback Thoughtfully — Apply and Create. Turn vague feedback into a specific revision question. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Use Feedback Thoughtfully: Explore and Explain
Explore · Independent · 15 min
Use Feedback Thoughtfully — Explore and Explain. Turn vague feedback into a specific revision question. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Use Feedback Thoughtfully: Practice Independently
Practice · Independent · 15 min
Use Feedback Thoughtfully — Practice Independently. Turn vague feedback into a specific revision question. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Modern World History: The Industrial Revolution & Social Transformation
Practice · Independent · 20 min
Modern World History — The Industrial Revolution & Social Transformation. Evaluate industrial change from more than one perspective. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Analyze Change in an Industrial Model: Apply and Create
Apply · Independent · 20 min
Analyze Change in an Industrial Model — Apply and Create. Evaluate industrial change from more than one perspective. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Analyze Change in an Industrial Model: Explore and Explain
Explore · Independent · 15 min
Analyze Change in an Industrial Model — Explore and Explain. Evaluate industrial change from more than one perspective. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.
Analyze Change in an Industrial Model: Practice Independently
Practice · Independent · 15 min
Analyze Change in an Industrial Model — Practice Independently. Evaluate industrial change from more than one perspective. Includes a contextual transfer task and answer criteria. Print on US Letter or A4, or save as PDF from the print window.