Mr Fraction’s Word Problem Express

For teachers

Learning targets

The site teaches one thing: how to start a word problem. Almost every screen comes before the arithmetic. These are the targets it practises, as student-facing “I can” statements with the Bloom’s Taxonomy level of each.

Overarching target

I can analyze a word problem’s structure — which situation it describes and which quantity is unknown — before I choose an operation.

The core trip

One target per screen, in the order a student meets them.

#I can…Bloom levelScreen
1Read a story for what is happening before I can see any of its numbersUnderstandRead
2Select the picture that represents a story’s structure — which piece is missing on a ride of one line, or which situation it is on the Grand Tour and Percent LineAnalyzeWhich picture?
3Cite the sentences that prove the structure, and classify the problem as Compare, Equal Groups, Ratio & Rate, Change or Part–WholeAnalyze / EvaluatePlatform Check
4Distinguish the numbers that matter from the ones that are only scenery, by placing them into the pictureAnalyzePlan
5Construct a model of the relationship — a bar, ratio table, double number line or tray — and estimate before computingApply / CreatePlan
6Explain how a strategy shown on different numbers carries over to mineUnderstandTest Track
7Carry out the calculation step by step, and tell apart a calculation slip from a wrong planApply / AnalyzeEngine Room
8Judge whether my answer is reasonable against my estimate, the question, the units and common senseEvaluateArrivals Board
9Critique someone else’s wrong answer and diagnose which mistake produced itEvaluateCritique
10Choose my own approach to an unscaffolded problem and justify itEvaluate / CreateTerminus Hub

Help tools — chosen by the student

Under Help me see it. Never required; the site highlights the one that would help after repeated misses, and the trip report names the ones a student chose.

#I can…Bloom levelTool
11Distinguish the quantities that matter from the ones that are only sceneryAnalyzeSort the numbers
12Identify what the question is really asking for, including its unitUnderstandFind the question
13Determine which part of the structure is missingAnalyzeFind the missing piece

Crossover Island

Problems that join two situations end to end.

#I can…Bloom level
14Break a problem where the story changes what it is doing, and select the picture for each half separatelyAnalyze
15Identify the transfer — the value that is an answer in the first half and a given in the second — and recognize that finding it does not finish the problemAnalyze / Evaluate

Across the whole site

#I can…Bloom levelWhere
16Explain why a keyword cannot choose the operation, and tell apart words that name an operation (sum, per) from words that only raise a question (more than, each, of)Understand / EvaluateThe Word Board
17Interpret a percent as notation sitting on top of a situation, and find what it is a percent ofAnalyzePercent Line and Percent Yard

Worth knowing before you use these

Standards alignment

Common Core Standards for Mathematical Practice: