6th Grade Angles Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the 6th Grade angles worksheet.
Success TutoringWorksheetsAnswer sheet6th Grade · Mathematics · Angles6th Grade Angles Worksheet — Level 2 — Answers
State the angle rule you use.
1.Two angles on a straight line are 27° and x°. Find x.
Answer: x = 153
- Angles on a straight line add to 180°
- x = 180 − 27 = 153
2.Two angles of a triangle are 98° and 26°. Find the third angle.
Answer: 56°
- Angles in a triangle add to 180°
- 180 − 98 − 26 = 56
3.Two angles of a triangle are 43° and 71°. Find the third angle.
Answer: 66°
- Angles in a triangle add to 180°
- 180 − 43 − 71 = 66
4.Two angles on a straight line are 93° and x°. Find x.
Answer: x = 87
- Angles on a straight line add to 180°
- x = 180 − 93 = 87
5.Two angles on a straight line are 62° and x°. Find x.
Answer: x = 118
- Angles on a straight line add to 180°
- x = 180 − 62 = 118
6.Two angles on a straight line are 92° and x°. Find x.
Answer: x = 88
- Angles on a straight line add to 180°
- x = 180 − 92 = 88
7.Two angles on a straight line are 157° and x°. Find x.
Answer: x = 23
- Angles on a straight line add to 180°
- x = 180 − 157 = 23
8.Two angles of a triangle are 40° and 35°. Find the third angle.
Answer: 105°
- Angles in a triangle add to 180°
- 180 − 40 − 35 = 105
9.Two angles of a triangle are 100° and 101°. Find the third angle.
Answer: -21°
- Angles in a triangle add to 180°
- 180 − 100 − 101 = -21
10.Two angles of a triangle are 91° and 61°. Find the third angle.
Answer: 28°
- Angles in a triangle add to 180°
- 180 − 91 − 61 = 28
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
Great work. Here's what to try next: