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HomeQuestion 1OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Solve carefully: Find the sum of the interior angles of a hexagon.
Secondary 1Secondary 1Maths revision
Triangles and Polygons
Build confidence with triangles and polygons through short revision prompts and exam-style checks.
Focus points
✓Review the core ideas in triangles and polygons.
✓Solve routine questions with clear working and good notation.
✓Apply the topic in short exam-style questions.
Orin
The Wise Owl
Guides study flow, revision planning, and calmer focus sessions.
Practice setQuestion lineup
Mark each one done as you go — finish them all to claim your chips.
100 revision prompts
Question 2OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Show full working for: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 3OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Answer this exam-style prompt: Find the sum of the interior angles of a hexagon.
Question 4OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write down the key method, then solve: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 5OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Work this out and simplify your final answer: Find the sum of the interior angles of a hexagon.
Question 6OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Set out your steps clearly for: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 7OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Find the answer and state your method for: Find the sum of the interior angles of a hexagon.
Question 8OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Complete this revision check: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 9OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Solve and check your result for: Find the sum of the interior angles of a hexagon.
Question 10OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Use accurate notation to answer: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 11OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Solve carefully: Find the sum of the interior angles of a hexagon.
Question 12OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Show full working for: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 13OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Answer this exam-style prompt: Find the sum of the interior angles of a hexagon.
Question 14OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write down the key method, then solve: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 15OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Work this out and simplify your final answer: Find the sum of the interior angles of a hexagon.
Question 16OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Set out your steps clearly for: Two angles in a triangle are 48° and 67°. Find the third angle.
Question 17OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 18OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 19OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 20OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 21OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 22OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 23OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 24OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 25OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 26OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 27OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 28OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 29OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 30OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 31OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 32OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 33OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 34OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 35OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 36OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 37OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 38OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 39OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 40OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 41OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 42OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 43OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 44OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 45OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 46OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 47OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 48OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 49OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 50OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 51OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 52OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 53OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 54OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 55OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 56OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 57OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 58OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 59OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 60OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 61OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 62OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 63OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 64OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 65OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 66OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 67OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 68OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 69OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 70OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 71OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 72OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 73OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 74OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 75OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 76OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Create a similar triangles and polygons question of your own and solve it fully.
Question 77OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 78OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Write one easier and one harder triangles and polygons question, then solve both.
Question 79OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 80OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice)
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 81OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Create a similar triangles and polygons question of your own and solve it fully.
Question 82OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 83OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Write one easier and one harder triangles and polygons question, then solve both.
Question 84OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 85OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 86OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Create a similar triangles and polygons question of your own and solve it fully.
Question 87OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 88OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Write one easier and one harder triangles and polygons question, then solve both.
Question 89OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 90OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 91OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Create a similar triangles and polygons question of your own and solve it fully.
Question 92OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 93OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Write one easier and one harder triangles and polygons question, then solve both.
Question 94OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 95OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Turn one of today’s triangles and polygons questions into a short word problem and solve it.
Question 96OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Create a similar triangles and polygons question of your own and solve it fully.
Question 97OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Explain which rule or property is most important in triangles and polygons and illustrate it with a worked example.
Question 98OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Write one easier and one harder triangles and polygons question, then solve both.
Question 99OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Describe a common mistake students make in triangles and polygons and correct it with an example.
Question 100OpenStax Prealgebra 2e / CK-12 FlexMath (paraphrased practice) / Free Online Revision extended practice
Turn one of today’s triangles and polygons questions into a short word problem and solve it.