Mathematics · Primary 2

Active learning ideas

Singapore Coins and Notes

Active learning works because young students need concrete objects to anchor abstract money concepts. Handling real coins and notes builds tactile memory of size, weight, and features, which supports recognition and recall. Group tasks encourage collaboration, helping students correct each other’s misconceptions through discussion and shared strategies.

• MOE Syllabus Outcomes
• MOE: Numbers and Algebra - P2
• MOE: Money - P2

• 20–40 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Hot Seat
• 30 min · Small Groups

Sorting Stations: Coin Recognition

Prepare trays with mixed Singapore coins. Students sort them into labelled sections by value, noting size and colour differences. Groups record one feature per coin on charts, then share findings.

How do we recognise and name each Singapore coin and note?

Facilitation Tip

During Sorting Stations, circulate and ask guiding questions like ‘How do you know this coin is 20¢?’ to prompt close observation of edges and symbols.

What to look for

Present students with a mixed collection of Singapore coins and notes. Ask them to sort the items by denomination and state the value of each group aloud. Observe their ability to correctly identify and name each piece of currency.

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Activity 02

• Hot Seat
• 25 min · Pairs

Combo Cards: Making Amounts

Distribute cards with target amounts like 30¢ or $2.05. Pairs use coins and notes to form the amount in two different ways, sketch their combinations, and explain to another pair.

How can the same amount of money be shown using different combinations of coins and notes?

Facilitation Tip

For Combo Cards, provide answer cards with both standard and non-standard combinations so students can self-check their work.

What to look for

Give each student a card showing a specific amount, for example, $1.35. Ask them to draw or write two different ways to make this amount using Singapore coins and notes. Check their drawings for accuracy in denomination and total value.

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Activity 03

• Hot Seat
• 40 min · Pairs

Mini Market: Shopkeeper Role-Play

Set up a class market with priced items under $5. Pairs rotate as buyer and shopkeeper, selecting coins/notes to pay exact amounts and verifying totals together.

How do we write an amount of money correctly in dollars and cents?

Facilitation Tip

In Mini Market, give each shopkeeper a role card with a fixed amount of money to model real transaction limits and encourage fair play.

What to look for

Pose the question: 'If you have a $5 note and want to buy something that costs $2.50, how can you pay and what change should you expect?' Facilitate a class discussion where students share their reasoning and demonstrate calculations using money concepts.

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Activity 04

• Hot Seat
• 20 min · Whole Class

Value Match Game: Pairs Bingo

Create bingo cards with amounts and images of coin/note sets. Call out amounts; students mark matching combinations. First complete line shares their sets with the class.

How do we recognise and name each Singapore coin and note?

What to look for

Present students with a mixed collection of Singapore coins and notes. Ask them to sort the items by denomination and state the value of each group aloud. Observe their ability to correctly identify and name each piece of currency.

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

A few notes on teaching this unit

Teach this topic with repeated, varied exposure to real currency to build automaticity. Avoid relying only on worksheets or pictures, as these do not provide the same tactile and visual anchors as handling coins. Use peer discussion to surface misconceptions early, such as size-value bias, and correct them through hands-on comparison tasks.

Successful students will name coins and notes correctly by sight, make given amounts using at least two different combinations, and write amounts with proper symbols. They will explain why a $1 coin and a $1 note hold the same value and avoid size-based assumptions when comparing denominations.

---

Watch Out for These Misconceptions

• During Sorting Stations, watch for students who assume the largest coin is the most valuable.

  Prompt them to line up the 50¢ and $1 coins side by side and compare both size and printed value labels, discussing why the $1 coin is worth more despite being smaller.

• During Mini Market, watch for students who treat the $1 coin and $1 note as unequal in value.

  Ask shopkeepers to exchange one for the other with customers, verbally stating ‘one dollar’ each time to reinforce equivalence in worth, not form.

• During Value Match Game, watch for students who omit the ¢ symbol when writing amounts.

  Provide answer sheets with missing symbols and have peers circle the correct notation, then discuss why standard symbols matter in real transactions.

---

Methods used in this brief

• Hot Seat