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Numbers and Text: Python: Uncharted

Courses PythonNumbers and Text

Numbers and Text

Turn familiar arithmetic into Python, understand rounding, and build polished text from changing values.

Python
Unit 3 of 20
20 lessons
166 min
420 XP

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Lessons

20 total

1Math You Already DoRecognize ordinary situations that can be represented by arithmetic expressions.InteractiveConcept6 min20 XPOpen
2The Four OperatorsUse addition, subtraction, multiplication, and division in Python expressions.CodeConcept8 min20 XPOpen
3Two Kinds of DivideCompare regular division with floor division and observe their result types.CodeConcept8 min20 XPOpen
4The Leftover OperatorUse the remainder operator to find what remains after making equal groups.CodeConcept8 min20 XPOpen
5Parentheses MatterUse parentheses to make the intended addition happen before multiplication.CodeConcept8 min20 XPOpen
6Powers of GrowthUse exponentiation to calculate repeated doubling.CodeConcept8 min20 XPOpen
7Rounding RealityRound a calculated share and explain Python tie rounding honestly.CodeConcept9 min20 XPOpen
8The Crumb MysteryPredict a floating-point result and connect it to approximate number storage.InteractiveConcept7 min20 XPOpen
9f-strings, at LastPlace values and an expression inside readable f-string text.CodeConcept8 min20 XPOpen
10Greeting BuilderCompose a complete greeting from several variables with an f-string.CodeConcept8 min20 XPOpen
11Plus RefusesRepair a string-plus-integer TypeError with explicit text conversion.CodeConcept9 min20 XPOpen
12Receipt Line PipelineOrder the stages that turn raw numeric values into a printed receipt line.InteractiveConcept7 min20 XPOpen
13len, upper, lowerInspect a string length and create upper- and lowercase versions.CodeConcept8 min20 XPOpen
14Tip CalculatorCalculate and print a tip and final total in a function-free script.CodePractice10 min20 XPOpen
15min, max, absUse built-ins to summarize temperature extremes and a weather swing.CodeConcept8 min20 XPOpen
16Expression MatchEvaluate Python arithmetic expressions and match each one to its value.InteractiveConcept7 min20 XPOpen
17Road Trip MathChain distance, efficiency, and price calculations into a fuel-cost estimate.CodePractice10 min20 XPOpen
18Format to Two PlacesFormat a numeric price with exactly two decimal places in an f-string.CodeConcept9 min20 XPOpen
19First and Last LettersRead the first and last characters of a string with positive and negative indexing.CodeConcept8 min20 XPOpen
20Numbers and Text Mastery CheckCalculate and format a five-line order summary from named values.CodeMastery check12 min40 XPOpen

Names for Things Making Decisions