MAe-5NA: combines, separates and compares collections of objects, describes using everyday language, and records using informal methods
The word ‘difference’ has a specific meaning in this context, referring to the numeric value of the group. In everyday language, it can refer to any attribute.
Students should be able to communicate using the following language: count forwards, combines with, joins, count backwards, take away, how many more, all together, makes.
Represent practical situations to model addition and sharing
|combine two or more groups of objects to model addition|
|model subtraction by separating and taking away part of a group of objects|
|use concrete materials or fingers to model and solve simple addition and subtraction problems|
|compare two groups of objects to determine ‘how many more’|
|use visual representations of numbers to assist with addition and subtraction, eg ten frames|
|create and recognise combinations for numbers to at least 10, eg ‘How many more make 10?’|
|describe the action of combining, separating and comparing using everyday language, |
eg makes, joins, combines with, and, get, take away, how many more, all together
|count forwards by ones to add and backwards by ones to subtract|
|record addition and subtraction informally using drawings, words and numerals|