Geometry for Fourth Graders: Master Shapes and Angles

Question 1

Which shape has corners that bulge outward?

Accepted Answer

Convex

Answer

Concave

Question 2

What is the correct classification for a shape with 5 sides and 5 angles?

Accepted Answer

Pentagon

Answer

Triangle

Answer

Quadrilateral

Answer

Hexagon

Question 3

A cube has a side length of 5 cm. How many sides does the cube have?

Accepted Answer

6

Answer

4

Answer

8

Question 4

How many sides make up a triangle?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 5

A circle has a diameter of 10 centimeters. What is the length of its radius?

Accepted Answer

5

Answer

10

Answer

20

Answer

4

Question 6

Which polygon has seven sides?

Accepted Answer

Heptagon

Answer

Hexagon

Answer

Octagon

Answer

Pentagon

Question 7

Which type of triangle is NOT classified based on the equality of its sides?

Accepted Answer

Right

Answer

Equilateral

Answer

Isosceles

Answer

Scalene

Question 8

Which shape is NOT a quadrilateral?

Accepted Answer

Triangle

Answer

Rectangle

Answer

Square

Answer

Trapezoid

Question 9

Which of the following is a special characteristic of a rectangle?

Accepted Answer

It has four right angles.

Accepted Answer

It has two pairs of parallel sides.

Answer

It has four sides of equal length.

Question 10

Which shape has four equal sides?

Accepted Answer

Rectangle

Answer

Triangle

Answer

Circle

Answer

Trapezoid

Question 11

Which of these shapes is NOT a quadrilateral?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Parallelogram

Question 12

Which shape does NOT have straight sides?

Accepted Answer

Circle

Answer

Triangle

Answer

Square

Answer

Rectangle

Question 13

Which shape below is **not** a quadrilateral?

Accepted Answer

Triangle

Answer

Rectangle

Answer

Square

Answer

Trapezoid

Question 14

Which shape is NOT a polygon?

Accepted Answer

Circle

Answer

Triangle

Answer

Square

Answer

Rectangle

Question 15

Which shape is a polygon?

Accepted Answer

Triangle

Answer

Circle

Answer

Sphere

Answer

Line segment

Question 16

Which shape below is NOT a polygon?

Accepted Answer

Circle

Answer

Triangle

Answer

Rectangle

Answer

Square

Question 17

Which shape does NOT have four straight sides?

Accepted Answer

Circle

Answer

Rectangle

Answer

Trapezoid

Answer

Square

Question 18

Which of these is NOT a geometric shape?

Accepted Answer

Apple

Answer

Square

Answer

Triangle

Answer

Circle

Question 19

How many sides does a hexagon have?

Accepted Answer

6

Answer

4

Answer

5

Answer

7

Question 20

Which of these angles is a right angle?

Accepted Answer

Right angle

Answer

Acute angle

Answer

Obtuse angle

Answer

Straight angle

Question 21

What is the formula to calculate the area of a triangle?

Accepted Answer

A = ½ × base × height

Answer

A = base × height

Answer

A = π × radius

Answer

A = 4 × side

Question 22

Which of these is a three-dimensional shape?

Accepted Answer

Sphere

Answer

Square

Answer

Rectangle

Answer

Pentagon

Question 23

What is the name for the point where two or more lines intersect?

Accepted Answer

Vertex

Answer

Angle

Answer

Edge

Answer

Face

Question 24

Which of these transformations flips a shape over a line?

Accepted Answer

Reflection

Answer

Translation

Answer

Rotation

Answer

Dilation

Question 25

What is the volume of a cube with edges of 4 cm?

Accepted Answer

64 cm³

Answer

16 cm³

Answer

32 cm³

Answer

128 cm³

Question 26

Which shape has the greatest number of sides?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Quadrilateral

Answer

Pentagon

Question 27

A triangle has an angle that measures 90 degrees. What kind of triangle is this?

Accepted Answer

Right triangle

Answer

Acute triangle

Answer

Obtuse triangle

Answer

Equilateral triangle

Question 28

A circle has a diameter of 10 centimeters. What is its circumference?

Accepted Answer

10π centimeters

Answer

5π centimeters

Answer

15π centimeters

Answer

20π centimeters

Question 29

Which shape has four sides that are all the same length?

Accepted Answer

Square

Answer

Triangle

Answer

Circle

Answer

Rectangle

Question 30

What is the name for the place where two rays come together?

Accepted Answer

Vertex

Answer

Edge

Answer

Side

Answer

Angle

Question 31

Which unit is used to measure angles?

Accepted Answer

Degrees

Answer

Centimeters

Answer

Inches

Answer

Meters

Question 32

What is the name of a shape with 3 straight sides?

Accepted Answer

Triangle

Answer

Rectangle

Answer

Square

Answer

Circle

Question 33

How many degrees are there in all the angles of a triangle?

Accepted Answer

180 degrees

Answer

90 degrees

Answer

120 degrees

Answer

270 degrees

Question 34

What is the shape with 6 equal sides called?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Square

Answer

Octagon

Question 35

What is the area of a rectangle that is 5 cm long and 3 cm wide?

Accepted Answer

15 cm²

Answer

8 cm²

Answer

20 cm²

Answer

25 cm²

Question 36

Which of the following is a 3D shape?

Accepted Answer

Cube

Answer

Circle

Answer

Square

Answer

Triangle

Question 37

What is the perimeter of a square with sides that are 4 cm long?

Accepted Answer

16 cm

Answer

8 cm

Answer

12 cm

Answer

20 cm

Question 38

What is the sum of all the interior angles of a triangle?

Accepted Answer

180 degrees

Answer

90 degrees

Answer

270 degrees

Answer

360 degrees

Question 39

What is the name of an angle that is perfectly straight?

Accepted Answer

Straight angle

Answer

Acute angle

Answer

Obtuse angle

Answer

Reflex angle

Question 40

What is the formula for finding the area of a square?

Accepted Answer

Length x Width

Answer

Length x Height

Answer

π x Radius²

Answer

½ x Base x Height

Question 41

Which of these shapes is 3D (three-dimensional)?

Accepted Answer

Cube

Answer

Square

Answer

Circle

Answer

Triangle

Question 42

A pentagon has how many sides?

Accepted Answer

5

Answer

3

Answer

7

Answer

9

Question 43

Which of the following is an angle that measures smaller than 90 degrees?

Accepted Answer

Acute angle

Answer

Obtuse angle

Answer

Straight angle

Answer

Right angle

Question 44

What is a triangle called when all three sides are equal?

Accepted Answer

Equilateral triangle

Answer

Isosceles triangle

Answer

Scalene triangle

Answer

Right triangle

Question 45

How many faces does a rectangular prism have?

Accepted Answer

6

Answer

4

Answer

8

Answer

10

Question 46

Which figure is closed and has no sides?

Accepted Answer

Circle

Answer

Square

Answer

Triangle

Answer

Rectangle

Question 47

What's the formula to find the area of a triangle?

Accepted Answer

A = ½ * b * h

Answer

A = l * w

Answer

A = πr²

Answer

A = bh

Question 48

Which of these is NOT used to measure angles?

Accepted Answer

Inches

Answer

Degrees

Answer

Radians

Answer

Gradians

Question 49

Which of these shapes is not a quadrilateral?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Rhombus

Question 50

What is the sum of the interior angles of a triangle?

Accepted Answer

180 degrees

Answer

120 degrees

Answer

150 degrees

Answer

270 degrees

Question 51

Which of these is a regular polygon?

Accepted Answer

Square

Answer

Rectangle

Answer

Trapezoid

Answer

Circle

Question 52

What is the perimeter of a rectangle with a length of 5 cm and a width of 3 cm?

Accepted Answer

10 cm

Answer

8 cm

Answer

15 cm

Answer

20 cm

Question 53

What is the name of the angle that measures exactly 90 degrees?

Accepted Answer

Right angle

Answer

Acute angle

Answer

Obtuse angle

Answer

Straight angle

Question 54

Which of these is a property of a circle?

Accepted Answer

All points are equidistant from the center

Answer

Has two parallel sides

Answer

Has four equal sides

Answer

Has three vertices

Question 55

What is the volume of a cube with a side length of 3 cm?

Accepted Answer

27 cm

Answer

9 cm

Answer

12 cm

Answer

36 cm

Question 56

Which of these 3D shapes looks like a ball?

Accepted Answer

Sphere

Answer

Square

Answer

Triangle

Answer

Rectangle

Question 57

Which of these angles looks like a corner?

Accepted Answer

Right angle

Answer

Acute angle

Answer

Obtuse angle

Answer

Straight angle

Question 58

Which of these shapes has the most sides?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Square

Answer

Pentagon

Question 59

What is the space inside a cube with sides that are 3 cm long?

Accepted Answer

27 cm³

Answer

9 cm³

Answer

18 cm³

Answer

54 cm³

Question 60

Which of these shapes can be folded into a cube?

Accepted Answer

Image of a cube with 6 faces laid out flat

Answer

Image of a sphere

Answer

Image of a pyramid

Answer

Image of a cone

Question 61

What is a special thing about circles?

Accepted Answer

All points on the circle are the same distance from the middle

Answer

Circles have 4 sides

Answer

Circles are regular polygons

Answer

Circles have right angles

Question 62

Which statement is not a property of a square?

Accepted Answer

It is congruent to itself.

Answer

It has four equal sides.

Answer

It has four right angles.

Answer

Its opposite sides are parallel.

Question 63

What shape has 8 straight sides and 8 equal angles?

Accepted Answer

Octagon

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 64

Which shape is NOT a polygon?

Accepted Answer

Circle

Answer

Square

Answer

Triangle