Quadrilaterals, angles, inside and boundary
Answers are for parents and teachers.
1
Find one example each of a right, an acute and an obtuse angle at home.
For example: a table corner, scissors, a door opened wide.
2
Draw 3 different quadrilaterals and name them.
For example: square, rectangle, rhombus.
3
Work out: 72 + (23 − 12); 66 − (54 − 42); 23 + (15 + 21)
83, 54, 59
4
Draw a circle. Put point A on the boundary, P inside and K outside.
A on the line, P inside, K outside.
5
A door is 9 dm by 2 dm. Its perimeter?
22 dm