Activity 01
Bar Model Stations: Fraction Sharing
Set up stations with word problems on sharing pizzas or cakes. Students draw bar models on mini-whiteboards, label parts, and solve. Groups rotate after 10 minutes, comparing models with the previous group's work.
How do you draw a model to help you understand and solve a fraction word problem?
Facilitation TipDuring Bar Model Stations, rotate groups every 8–10 minutes to keep energy high and ensure all students engage with different fraction scenarios.
What to look forPresent students with a word problem: 'Sarah had 2.5 liters of juice. She drank 1/4 of it. How much juice does she have left?' Ask students to write down the first step they would take to solve this problem and why.
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Activity 02
Pairs Relay: Two-Step Challenges
Partners alternate reading a two-step problem aloud, drawing the model, and solving one step. Switch roles for the second step, then check together using concrete tools like fraction bars. Discuss why the model worked.
What information do you need to identify in a word problem before you can solve it?
Facilitation TipFor Pairs Relay, set a visible timer to create urgency and encourage quick, focused collaboration between partners.
What to look forGive each student a card with a simple fraction word problem (e.g., 'John bought 3/4 kg of apples and 1/2 kg of oranges. What is the total weight of the fruit?'). Ask them to draw a bar model to represent the problem and write the final answer.
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Activity 03
Gallery Walk: Decimal Word Problems
Students solve individual decimal problems on chart paper with models, then gallery walk to critique and improve peers' work. Add sticky notes with questions or suggestions. Debrief as a class.
Can you solve a two-step word problem involving both fractions and decimals and explain your working?
Facilitation TipIn the Gallery Walk, provide sticky notes so students can leave feedback for peers, reinforcing the habit of questioning and discussing strategies.
What to look forPose a two-step problem involving fractions and decimals. Ask students to work in pairs to solve it, then have them explain their chosen strategy and the meaning of their answer to the class. For example: 'A recipe needs 1.5 cups of flour. You have 1/3 of the required flour. How much more flour do you need?'
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Activity 04
Whole Class Simulation: Market Budget
Pose a class market scenario with fraction and decimal costs. Students vote on models via thumbs up, then compute totals on personal whiteboards. Reveal correct model and adjust budgets live.
How do you draw a model to help you understand and solve a fraction word problem?
What to look forPresent students with a word problem: 'Sarah had 2.5 liters of juice. She drank 1/4 of it. How much juice does she have left?' Ask students to write down the first step they would take to solve this problem and why.
AnalyzeEvaluateCreateDecision-MakingSelf-ManagementRelationship Skills
Generate Complete Lesson→A few notes on teaching this unit
Teachers should model the process of drawing bar models step-by-step, emphasizing the importance of labeling units and wholes clearly. Avoid rushing through the visual phase of problem-solving, as this is where students often solidify their understanding. Research shows that students benefit from hearing peers explain their models, so encourage discussion and questioning during activities.
Successful learning looks like students confidently drawing bar models to represent fractions and decimals, identifying key information in word problems, and solving one- or two-step problems with accurate calculations. Students should also explain their reasoning clearly, using models to justify their answers.
Watch Out for These Misconceptions
During Bar Model Stations, watch for students who add fractions by combining numerators and denominators directly.
Circulate with fraction tiles or strips and ask students to compare their incorrect sums to the visual whole. Prompt them to find a common unit by asking, 'How many equal parts fit into the whole here?'
During Pairs Relay, watch for students who add decimals without aligning place values.
Provide decimal grids or money manipulatives and ask partners to test their answers by modeling the problem. If the sums don’t match the grid, guide them to realign the numbers by place value.
During Gallery Walk, watch for students who solve two-step problems by performing operations in the order they appear in the text.
Ask peers to question each step in the model. Use sticky notes to label each operation with its purpose, such as 'first I found the total, then I subtracted the amount used.'
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