Task 1 · easy
Recognize object
Which object has exactly two ends: straight, semi-straight or segment?
Hint and solution →Original practice tasks · Math · Class 4
Angles and basic geometrical figures — tasks with solutions
Start with the easier exercises and work your way up. Every task has a hint and a full step-by-step solution — try it on your own first, then unlock the solution and compare.
Easy
6
Medium
3
Hard
1
Task 2 · easy
Straight at 90° angle
What do we call two lines intersecting at 90° angle?
Hint and solution →Task 3 · easy
Class 42° angle
What kind of angle is 42°?
Hint and solution →Task 4 · easy
Class the angle 135°
What kind of angle is 135°?
Hint and solution →Task 5 · medium
Missing part of the straight angle
The straight angle consists of angles 34° and x. Calculate x.
Hint and solution →Task 6 · medium
The missing part of the half-full angle
On one line, two adjacent angles are 121° and x. Calculate x.
Hint and solution →Task 7 · easy
Triangle
How many sides and how many points does a triangle have?
Hint and solution →Task 8 · easy
Rectangular property
How many straight angles does a rectangle have?
Hint and solution →Task 9 · medium
Recognize the figure by property
The quadrilateral has four straight angles and all sides 5 cm long. What kind of figure is that?
Hint and solution →Task 10 · hard
Angles with perpendicular lines
Two lines are perpendicular. What is the measure of each of the four angles formed at the intersection?
Hint and solution →Karta pracy do druku
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Otwórz kartę pracy →After the tasks
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