Triangles and Quadrilaterals Worksheet for Grade 5 — Math

Grade 5 · Math

Triangles and Quadrilaterals

3 activities · Fill in! · Sort it!

Triangle types (equilateral, isosceles, scalene), angle sum 180°, quadrilateral properties

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Date:

Tips & Praises: ____________________________Tr. Sign.: ____________________Date: _______ Month: _______ Year: _______

Complete the properties of each type of triangle!

Fill in!

Each angle of an equilateral triangle =

no equal

60°

90°

An isosceles triangle has lines of symmetry

1 line of symmetry

no equal

right angle

A right-angled triangle has one angle of

90°

0 lines of symmetry

all equal

An equilateral triangle has lines of symmetry

180°

3 lines of symmetry

all equal

Equilateral triangle: all angles are

1 line of symmetry

all equal

60°

Match each quadrilateral to its defining property!

Fill in!

Kite →

opposite sides equal and parallel, 4 right angles

4 equal sides, 4 right angles

two pairs of adjacent sides equal

Parallelogram →

opposite sides equal and parallel, no right angles

4 equal sides, no right angles

two pairs of adjacent sides equal

Trapezium →

two pairs of adjacent sides equal

4 equal sides, 4 right angles

one pair of parallel sides only

Rhombus →

opposite sides equal and parallel, 4 right angles

opposite sides equal and parallel, no right angles

4 equal sides, no right angles

Square →

one pair of parallel sides only

4 equal sides, 4 right angles

4 equal sides, no right angles

Sort each triangle into the correct type based on its SIDES!

Sort it!

1Triangle with sides 7 cm, 7 cm, 7 cm

2Triangle with sides 4 cm, 4 cm, 6 cm

3Triangle with sides 5 cm, 5 cm, 5 cm

4An equilateral triangle also has all angles equal to ___°

5Triangle with sides 9 cm, 12 cm, 15 cm

6Triangle with sides 6 cm, 8 cm, 10 cm

7Triangle with sides 3 cm, 4 cm, 5 cm

8Triangle with sides 5 cm, 5 cm, 8 cm

Equilateral (all 3 sides equal)

write sentence numbers here

Isosceles (exactly 2 sides equal)

write sentence numbers here

Scalene (no sides equal)

write sentence numbers here

Colour a star for each activity you finish!

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