Apps

TalentJR apps

How the apps work →
Free · Class 4–7 · 4 worksheets · answer keys · practise online · set 70

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 70
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 70
Name:Date:Score:    / 12

Find the complement.

  1. Complement of 81° =
  2. Complement of 66° =
  3. Complement of 48° =
  4. Complement of 28° =
  5. Complement of 16° =
  6. Complement of 56° =
  7. Complement of 42° =
  8. Complement of 57° =
  9. Complement of 13° =
  10. Complement of 80° =
  11. Complement of 53° =
  12. Complement of 6° =

Supplementary angles

Class 6–7 · Worksheet 3 · set 70
Name:Date:Score:    / 12

Find the supplement.

  1. Supplement of 26° =
  2. Supplement of 40° =
  3. Supplement of 48° =
  4. Supplement of 121° =
  5. Supplement of 77° =
  6. Supplement of 45° =
  7. Supplement of 153° =
  8. Supplement of 41° =
  9. Supplement of 100° =
  10. Supplement of 19° =
  11. Supplement of 29° =
  12. Supplement of 71° =

Angles of a triangle

Class 6–7 · Worksheet 4 · set 70
Name:Date:Score:    / 8

Find the third angle.

  1. A triangle has angles 71° and 37°. Find the third angle.
  2. A triangle has angles 93° and 52°. Find the third angle.
  3. A triangle has angles 52° and 59°. Find the third angle.
  4. A triangle has angles 31° and 81°. Find the third angle.
  5. A triangle has angles 61° and 62°. Find the third angle.
  6. A triangle has angles 88° and 28°. Find the third angle.
  7. A triangle has angles 99° and 20°. Find the third angle.
  8. A triangle has angles 27° and 66°. 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.