Apps

TalentJR apps

How the apps work →
Free · Class 4–7 · 4 worksheets · answer keys · practise online · set 24

Angles worksheets — types of angles and angle sums

Free angles worksheets for Class 4 to 7: name the type of angle (acute, right, obtuse, straight, reflex), complementary, supplementary and triangle angles — with answers.

💡 Learn it first

📏 The worksheets

🔄 New set of questions

Types of angles (Class 4–5)Complementary angles (Class 6–7)Supplementary angles (Class 6–7)Angles of a triangle (Class 6–7)

Types of angles

Class 4–5 · Worksheet 1 · set 24
Name:Date:Score:    / 8

Name the type of the marked angle: acute, right, obtuse, straight or reflex.

  1. Type of angle?
  2. Type of angle?
  3. Type of angle?
  4. Type of angle?
  5. Type of angle?
  6. Type of angle?
  7. Type of angle?
  8. Type of angle?

Complementary angles

Class 6–7 · Worksheet 2 · set 24
Name:Date:Score:    / 12

Find the complement.

  1. Complement of 37° =
  2. Complement of 14° =
  3. Complement of 85° =
  4. Complement of 52° =
  5. Complement of 68° =
  6. Complement of 7° =
  7. Complement of 80° =
  8. Complement of 60° =
  9. Complement of 57° =
  10. Complement of 53° =
  11. Complement of 28° =
  12. Complement of 50° =

Supplementary angles

Class 6–7 · Worksheet 3 · set 24
Name:Date:Score:    / 12

Find the supplement.

  1. Supplement of 129° =
  2. Supplement of 121° =
  3. Supplement of 13° =
  4. Supplement of 101° =
  5. Supplement of 11° =
  6. Supplement of 62° =
  7. Supplement of 154° =
  8. Supplement of 123° =
  9. Supplement of 130° =
  10. Supplement of 73° =
  11. Supplement of 79° =
  12. Supplement of 156° =

Angles of a triangle

Class 6–7 · Worksheet 4 · set 24
Name:Date:Score:    / 8

Find the third angle.

  1. A triangle has angles 83° and 37°. Find the third angle.
  2. A triangle has angles 35° and 77°. Find the third angle.
  3. A triangle has angles 82° and 33°. Find the third angle.
  4. A triangle has angles 57° and 66°. Find the third angle.
  5. A triangle has angles 95° and 54°. Find the third angle.
  6. A triangle has angles 38° and 74°. Find the third angle.
  7. A triangle has angles 31° and 51°. Find the third angle.
  8. A triangle has angles 25° and 115°. Find the third angle.

More worksheets

📐 Area and perimeter worksheet🔷 Shapes worksheet Noun worksheetsPronoun worksheetsArticles worksheetTenses worksheetPrepositions worksheetSubtraction worksheets All worksheets

Questions

What are the 5 types of angles?

Acute (less than 90°), right (90°), obtuse (90°–180°), straight (180°) and reflex (180°–360°).

Are these worksheets free?

Yes — print them or save as PDF free. Every worksheet has an answer key.

How do I get different questions?

Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).

How do I print only one worksheet?

Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.

Can my child do this worksheet online, like a quiz?

Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.