Purpose
This activity is for students to use when working independently of the teacher in class and as homework to practice number properties.
Achievement Objectives
NA2-1: Use simple additive strategies with whole numbers and fractions.
Specific Learning Outcomes
- Solve addition and subtraction using mental strategies.
- Explain how a mental strategy works using an example.
Description of Mathematics
Addition and subtraction, as appropriate to the learning of the group.
Required Resource Materials
- Activity with student marking sheet (PDF or Word).
Activity
Prior knowledge
- Basic addition and subtraction facts.
- Recent experience exploring a range of addition and subtraction mental strategies.
Background
This activity produces a wall display involving revision of addition and subtraction strategies.
Comments on the Exercises
Students work in small groups to explain how a range of addition and subtraction mental strategies work by providing a worked example
Attachments
AddSubWallDisplaySheet.pdf111.29 KB
AddSubWallDisplaySheet.doc45.5 KB
Add to plan
Level Two