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Lesson 4: Numbers and Calculations in Python (Parent Q&A)

This guide explains the main ideas in Lesson 4, including Python’s number types, arithmetic operators and the order of operations. Open Full Article...

Lesson 4: Numbers and Calculations in Python (Teach This Topic)

This guide supports teaching the finished lesson on Python numbers, arithmetic operators and calculation order. Open Full Article...

Lesson 4: Numbers and Calculations in Python

If Python can remember numbers, can it also work things out with them? Open Full Article...

Applying the Order of Operations Correctly (Parent Q&A)

This guide explains how the lesson presents the order of operations as a shared way of interpreting mathematical expressions. Open Full Article...

Applying the Order of Operations Correctly (Teach This Topic)

This guide helps you teach the finished lesson about interpreting and evaluating expressions with several operations. Open Full Article...

Applying the Order of Operations Correctly

Why does 2 + 3 × 4 equal 14 rather than 20, even though both calculations look possible? Open Full Article...