### Double number lines – increase/decrease by percentage 1

Provide by Sandra Cathcart, from the Numeracy Project resources

### Using double number lines – finding a percentage of a quantity

Provide by Sandra Cathcart, from the Numeracy Project resources

### Double number lines powerpoint – percentages

Provided by Sandra Cathcart.

### Double number lines – finding a percentage of a quantity

Provided by Sandra Cathcart, taken from the numeracy project resources.

### Using double number lines for percentage problems

Provided by Sandra Cathcart, taken from the numeracy project resources.

Has questions and answers and covers:

Finding a percentage of a quantity

Finding one quantity as a percentage of another

Find the total given the percentage of the total

Contextual problems

Increasing or decreasing by a percentage

Finding the original with increasing or decreasing by a percentage

### Algebra Zoo worksheet

Initially fromÂ https://www.tes.com/teaching-resource/algebra-zoo-fun-substitution-worksheet-11029048

### Algebra solving problem – NZ Herald

Problem initially published in NZ Herald.

### Algebra starter activities

Collated by Helen Teal from various sources along with some original ideas

### Worksheet for Pitcher and Crow

For Algebra Patterns and relationships.

Made by Helen Teal and Nicola Mann. Initial idea taken fromÂ https://illuminations.nctm.org/uploadedFiles/Content/Lessons/Resources/6-8/CrowAndPitcher-AS.pdf

Note: There is an accompanying powerpoint “The Pitcher and the Crow Investigation”