#
Additive figures
--- Introduction ---

This module contains for the time being 29 visual training activities
of arithmetics (addition, substraction), which can be considered either as
exercises or recreations.

These are all ``drag & drop'' activities, consisting of placing numbers or
expressions into a picture, with geometric conditions on theirs sums. The
first number in the list indicates the number of objects to place. With a
wide variation of styles and difficulty levels in order to meet various
requirements.

### 7: H

### 7: Bow tie

### 9: M

### 5: V

### 9: W

### 7: Asterisk

### 8: Square

### 5: Cross

### 7: Cube

### 9: Square + diagonals

### 9: Four squares

### 8: Grill

### 8: House

### ~10: Pentagon

### ~10: Pentagram

### 7: Pizza 3

### 9: Pizza 4

### 3: Pyramid I

### 5: Pyramid Ib

### 7: Pyramid Ic

### 9: Pyramid Id

### 6: Pyramid II

### 9: Pyramid IIb

### ~10: Pyramid III

### 6: Stool

### 8: Three squares

### 5: Bow tie

### 6: Triangle

### 6: Two squares

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- Description: place numbers in geometric figures according to conditions on sums. serveur web interactif avec des cours en ligne, des exercices interactifs en sciences et langues pour l'enseigment primaire, secondaire et universitaire, des calculatrices et traceurs en ligne
- Keywords: math, interactif, exercice,qcm,cours,classe,biologie,chimie,langue,interactive mathematics, interactive math, server side interactivity,exercise,qcm,class, algebra,arithmetic, addition, fraction, decimals, relative_number, roots, complex_number