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All Published Reports


Title Author Modified Description
Sequences of sequences (0) Sarah 07-07-05 sequences
Group Report on Rational Numbers (4) Sandig 26-05-05 Rational Numbers
Generating the rational numbers in an arbitrary interval (1) Sofia 04-05-05 The expereince of the Sofia groups around this activity
Square root (6) yish 15-04-05
Cardinality_Activity 7 (in Bulgarian) (0) Sofia 12-04-05 Adaptation of the worksheet for the Activity 7 (In Bulgarian)
Cardinality_Activity 5 (in Bulgarian) (0) Sofia 12-04-05 Adaptation of the worksheet for the Activity 5 (In Bulgarian)
Cardinality_Activity 4 (in Bulgarian) (0) Sofia 12-04-05 Adaptation of the worksheet for the Activity 4 (In Bulgarian)
Cardinality Activity 1 (0) Sofia 12-04-05 Adaptation of the worksheet for the Activity 1 (In Bulgarian)
Cardinality_Activity 3 (in Bulgarian) (0) Sofia 12-04-05 Adaptation of the worksheet for the Activity 3 (In Bulgarian)
Comparing sequences once again (17) Sofia 12-04-05 generalised discussion of the Bulgarian students on possible definitions of size of a sequence and comparing seuqences according to these definitions
Generating the odd numbers in two ways (in Plovdiv) (2) Sofia 10-04-05 Extending the challenge of generating the odd natural numbers to the odd integers.
Generating the negative numbers (4) Sofia 10-04-05 The plovdiv third graders are generating the negatiev numbers in order to answer the challenge if the integers are more than the natural numbers.
Cardinality Activity 6 in Sofia (0) Sofia 30-03-05 Generating all the positive rational numbers
Cardinality Activity 6 in Plovdiv (1) Sofia 30-03-05 Exploring the question if the rational numbers are countable
Cardinality_Activity 6 (In Bulgarian) (0) Sofia 15-03-05 Adaptation of Activity 6 in Bulgarian
Do all infinite sequences have the same number of terms? (0) Group 03-03-05
Generating all rational numbers greater than 1 (1) Sofia 25-02-05 Activity 5 of Cardinality AS. Discussing if the rational numbers greater than 1 are more than the rational numbers less than 1.
Creating infinite sequences (0) Sarah 24-02-05 some seqeunces I made and the robots to make them
Natural vs even numbers (2) Sofia 19-02-05 Is it true that the even numbers are fewer than the natural ones - a discussion
Integers vs natural numbers (0) Sofia 19-02-05 Addressing the question if the integers are more than the natural numbers
Cardinality Activity 3 (0) Sofia 19-02-05 generating some infinite sequences and discussing different ways of constructing the robots
The challenge of Ivan and Yana (1) Sofia 19-02-05 the challenge is to compare the growth of several sequences
Cardinality - Activity 4 (1) Sofia 19-02-05 Generating all the proper fractions