**Driving Question**

What is the greatest mathematical invention of all time?

**Learning Objectives**
Beginning

To be able to explain form expressions and use formula expressed in words.

Developing

To be able to demonstrate how to substitute numbers into expressions.

Mastering

To be able to demonstrate how to simplify algebraic expressions by collecting like terms.

**Resources**

**Beginning**

**B1**

**B2**

**D1**

**D3**

Substitution - Card Sort (iPad)

**D4**

Substitution - Top Trumps (print)

**D5**

Use Temperature example - ie. use the formula for converting C to F (or opposite)

Mastering

Mastering

**M1**

**M3**

Ten Ticks - 5, 5, 16-17 (Print)

**M4**