Mathematics · Year 6

Active learning ideas

Saving and Investing Basics

Active learning works for saving and investing because students see money change over time through concrete calculations rather than abstract theories. When they track real growth in jars or charts, the impact of interest becomes visible and memorable.

• ACARA Content Descriptions
• AC9M6N05

• 25–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Problem-Based Learning
• 35 min · Pairs

Pairs: Goal Savings Planner

Students select a personal goal item, research its cost online or from catalogues, and calculate weekly savings needed over 10-20 weeks. They draw a timeline chart showing total saved each week, including simple interest at 2% annually. Pairs compare plans and suggest improvements.

Explain why saving money is important for future goals.

Facilitation Tip

During Goal Savings Planner, circulate to ensure pairs use the weekly division formula before adding interest, preventing early rounding errors.

What to look for

Present students with a scenario: 'Sarah wants to buy a bike that costs $200. She can save $10 per week. How many weeks will it take her to save enough?' Ask students to show their calculation and write the answer.

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Activity 02

• Problem-Based Learning
• 45 min · Small Groups

Small Groups: Interest Growth Jars

Provide groups with jars containing play money as starting principal. Each week, groups add 'interest' using a simple formula (principal x 0.02 / 52). Record growth on graphs and predict balances after 12 weeks. Discuss how small additions compound.

How can putting money in a bank account help it grow?

Facilitation Tip

In Interest Growth Jars, provide calculators but ask students to estimate each week’s total first to build number sense.

What to look for

Pose the question: 'Imagine you have $50. You can either keep it in a piggy bank or put it in a savings account that earns 5% interest per year. What are the pros and cons of each option after one year?' Facilitate a class discussion comparing the outcomes.

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Activity 03

• Problem-Based Learning
• 50 min · Whole Class

Whole Class: Class Savings Challenge

Set a class goal like new sports equipment. Track collective weekly contributions on a shared chart, adding simulated bank interest monthly. Vote on progress checkpoints and adjust contributions as a group to meet the target.

Design a plan for saving a small amount of money each week for a specific item.

Facilitation Tip

For the Class Savings Challenge, assign roles so every student contributes to tracking interest calculations and visual updates.

What to look for

Give each student a small card. Ask them to write down one specific thing they want to save for, how much it costs, and one step they will take this week to start saving.

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Activity 04

• Problem-Based Learning
• 25 min · Individual

Individual: Future Me Letter

Students write a letter to their future self outlining a savings plan for a goal, including calculations for weekly amounts and interest. Include drawings of the item and predicted purchase date. Share select letters in a class gallery walk.

Explain why saving money is important for future goals.

Facilitation Tip

In Future Me Letters, remind students to reference their specific savings plan numbers to ground abstract goals in real data.

What to look for

Present students with a scenario: 'Sarah wants to buy a bike that costs $200. She can save $10 per week. How many weeks will it take her to save enough?' Ask students to show their calculation and write the answer.

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

A few notes on teaching this unit

Teach saving and investing by prioritizing hands-on tools that make growth visible. Use jars with labeled weekly additions for interest, so students see the compounding effect over time. Avoid starting with formulas; instead, let students discover patterns through repeated calculations. Research shows visual models and peer discussion deepen understanding more than lectures alone.

Students will confidently explain how interest grows savings, create realistic saving plans, and adjust goals based on calculations. Success looks like clear timelines, accurate totals, and thoughtful reflections on trade-offs between saving and spending.

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Watch Out for These Misconceptions

• During Interest Growth Jars, watch for students who assume the jar’s contents stay the same week to week.

  Ask students to recount how the jar’s total changes each week by adding the interest earned before moving to the next week’s deposit.

• During Goal Savings Planner, watch for students who believe saving small amounts is ineffective for any goal.

  Have students compare saving $5 weekly for a $50 game versus $50 weekly for a $500 bike, highlighting how consistency builds totals over time.

• During Interest Growth Jars, watch for students who think interest is a random or unpredictable addition.

  Pause after the first week to have students calculate the interest themselves using the given rate, reinforcing that interest follows a fixed formula based on the balance.

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Methods used in this brief

• Problem-Based Learning