Addition — Money Algorithm (Step-by-step)

(a) A toy costs $12.75. A puzzle costs $8.60. What is the total amount?

Click Next Step to add the cents first, then the dollars.

✅ Align the decimal dots (.) before adding.

$12.75 + $8.60 = $?

Click Next Step

Answer in words (Singapore style)

Teaching Panel

Align dots → Add → Regroup

STEP 1

Add the cents.

? = ?

🧒 Child Try-It Panel

Try: $12.75 + $8.60

Your answer (2 d.p., e.g., 0.80, 21.35)

Amount A (0–999.95)

Amount B (0–999.95)

Random: amount range (A & B)

Step order (no regrouping only)

Enabled only when the sum needs no renaming.

Renaming: 5¢ → 10¢

Renaming: 10¢ → $1

Renaming: $1 → $10

Renaming: $10 → $100