This Mathematics unit covers a range of mental computation strategies for subtraction.
It consists of 7 lessons of approximately 60-minutes duration.
The sequence of lessons and suggested time frames should be regarded as a guide only; teachers should pace lessons in accordance with the individual learning needs of their class.
An assessment task for monitoring student understanding of the unit objectives is included and will require an additional lesson.
Preparing for Learning
Prior to commencing the unit, develop a subtraction display in the classroom. Display posters, word wall vocabulary
and learning goals
that the students will engage with throughout the unit to stimulate their learning. For examples of such resources, browse the Subtraction category
on the Teach Starter website.
There are many concepts to address within the topic of subtraction strategies. The lessons in this unit cover a range of these concepts, many of which have varying degrees of complexity. Teachers are encouraged to select lessons from the unit that best suit the learning needs of their students or to adapt lessons accordingly.
Some of the resources that accompany this unit plan will need to be prepared prior to teaching. For this reason, it is advised that teachers browse all lessons before commencing the unit.