Math Investigations

Counting and Comparing

Unit 2

Focus Points for Investigation 2:

Linear Measurement: Understanding length:

Directly comparing two objects to determine which is longer
Sorting objects into two categories according to length
Developing language

Counting and Quantity: Developing strategies for accurately counting a set of objects by ones:


Developing strategies for counting and keeping track of quantities up to 12
Counting backwards
Connecting number word, numerals and quantities

Counting and Quantity:
Developing the idea of equivalence

Creating an equivalent set
Comparing two or more quantities to determine which is more

Counting and Quantity:

Developing an understanding of the magnitude and position of numbers

Developing language

Ordering quantities from least to most