# Shapes

Shapes
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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 1

This lesson contains 25 slides, with interactive quizzes, text slides and 1 video.

Lesson duration is: 45 min

## Items in this lesson

Shapes

#### Slide 1 -Slide

The shapes on the first slide have a name.
Do you know them?

triangle
circle
square
rectangle

#### Slide 3 -Drag question

How could you tell these shapes apart?

#### Slide 4 -Open question

Properties
The numbers of angles, the length of the sides (compared to each other), the size of the angles.......
These are called the properties of a shape.
The colour and how big they are, are NOT properties in maths.

#### Slide 5 -Slide

Let us do a quizz

You will get a description and you write what shape it is.

#### Slide 6 -Slide

What am I?
I have 4 sides, I have 4 angles, I have two shortes sides and two longer sides.

#### Slide 7 -Open question

What am I?
All my sides are equally as long (= even lang), I have three angles and three sides.

#### Slide 8 -Open question

What am I?
I have 1 curved side.
I have no angles

#### Slide 9 -Open question

What am I?
I have 4 angles and 4 sides.
All sides have the same length.

What is a net?

#### Slide 13 -Slide

Draw ABC with AB= 4 cm, BC = 3 cm and AC = 6 cm.

#### Slide 14 -Open question

What are the numbers 12 and 3 called in the sum 12 + 3?

#### Slide 15 -Open question

The ... of 28 and 7 is 28 + 7 = 4.

#### Slide 16 -Open question

In the order of operations, division comes .....…. working in the brackets and …...... substraction.
Before
After

#### Slide 17 -Drag question

The numbers 2½ and -2½ are each other's ....

#### Slide 18 -Open question

names
1. square
2. rhombus
3. rectangle
4. trapezium (UK)  trapazoid (US)
5. parallellogram
1.
2.
3.
4.
5.
6.

#### Slide 19 -Slide

Look at the picture. How many quadrilaterals do you see?

#### Slide 20 -Slide

How many quadrilaterals did you see?

#### Slide 21 -Open question

Look at the picture. How many squares do you see?

#### Slide 22 -Slide

how many squares did you see

#### Slide 23 -Open question

Look at the picture. How many trapeziums do you see?

#### Slide 24 -Slide

how many trapeziums do you see?