Mathematics Assessment Map – Sample at 3.25

Mathematics
Samples
0.5
1
1.25
1.5
1.75
2
2.25
2.5
2.75
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
5.75
6

Change Domain

Ordering numbers

Context

Students were asked to order a series of decimal fractions with varying numbers of decimal places.

The element of the Number standard addressed by the task is:

(Students) comprehend the size and order of small numbers (to thousandths) and large numbers (to millions).

Stimulus

ORDERING NUMBERS

Greg bought these fruits and vegetables. Here is a section of his docket.

List the items in order of greatest weight to least weight.

View text version

Sample

The following samples illustrate the kinds of responses that students typically produce at 3.25 as they progress towards the Level 4 standard.

Sample A

Sample B

View text version

Annotation

Number – 3.25

In Sample A the student shows an understanding of ordering whole numbers where the decimal point has been ignored, for example 4.002 is regarded as 4002 and 2.06 is regarded as 206.
In Sample B the student demonstrates an understanding of ordering the whole number part of the decimal number but shows a misunderstanding of the value of the decimal parts.