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This compendium of programs
develops and tests students' understanding of the order of integers,
decimals and fractions.
The program has 3 separate components: Number Ladder, Find the Number
and Number Line
The user must place randomly generated decimals in the correct order.
> The numbers are placed on a "ladder" after which
they may not be moved, regardless of subsequently generated numbers.
> The objective is to complete the task with the smallest quantity
of numbers having to be "rejected" due to no space being
available in the right places on the ladder.
> The numbers may have from 0 to 3 decimal places.
Find The Number Features
> The user must locate and identify a number to a given
degree of accuracy. The user can zoom-in on the number line that
it is presented upon.
> The user has complete control over the length of the original,
starting view of the number line as well as the accuracy of the
randomly generated target number (0 to 3 decimal places).
> At each stage of zooming-in, the user can opt to have their
understanding checked of where they are on the number line.
The user is presented with a number line with at least two values
marked upon it. They must correctly deduce the value of a separately
marked number elsewhere on the line.
> The line may be labelled with either Integers, Decimals or
> There are a total of 160 different number lines generating
many more distinct challenge questions.
teacher notes include suggested uses in lessons. Click
to view them.