Multiple Ways to Add and Subtract
Teacher’s Notes

These exercises and activities are for students to use independently of the teacher to practise number properties.

Number framework domain and stage:

Addition and subtraction. Advanced additive to advanced multiplicative

Curriculum reference:

Number levels 3 to 4

Numeracy Project book reference:

These exercises and activities follow from a teaching episode based on Book 5 Page 54 and are for those students who are able to use the associated number properties.

Prior knowledge. Students should be able to…

During these activities students will meet:

True/false questions

Background:

The exercises have been set up in the following way.
Exercise 1: requires the students to use the distributive law and write it out
Exercise 2: is a true/false activity

Homework Exercises

Only include examples like Exercise 1.

Number generalisation

Ideas that can be developed from this activity:
ac + bc = (a + b)c

Practice exercises with answers:

PDF (93KB) or Word (53KB)

Homework with answers:

PDF (89KB) or Word (49KB)

Related games/activities:

Loopy: PDF (77KB) or Word (49KB)

Blank loopy master: Word (45KB)