Integers and number lines

BIG IDEA

Understand the idea before memorising a rule.

Integers and number lines is part of numbers. At Grade 7, the goal is to connect this topic to a clear method, relevant evidence and a final check. You will apply that idea to a real numbers question at this grade level.

YOU WILL LEARN TO

• Explain the key ideas in integers and number lines using accurate mathematics vocabulary.
• Apply a reliable method to a new integers and number lines task.
• Check the result and explain why the evidence supports it.

METHOD

A reliable three-step approach

1. 1

   Identify the information and the unknown.

2. 2

   Choose a rule or operation and show every step.

3. 3

   Check the result with estimation, substitution or units.