兩份免費試卷，基礎卷 15 題、進階卷 15 題，中英對照，附答案。印出嚟做，做完上 MathCat 賺魚幣、解鎖新貓貓！ Two free tests — 15 easy and 15 hard questions, bilingual with answer keys. Print them, then play on MathCat to earn fish coins and unlock cool cats.
本試卷對照香港教育局（EDB）小學數學課程。下列編號（例如 2N1, 2N4）是教育局官方「學習單元」代碼，學校課本亦按此編排。 These worksheets follow the Hong Kong Education Bureau (EDB) primary mathematics curriculum. Codes such as 2N1, 2N4 are official EDB Learning Unit references — the same units used in school textbooks.
在 8139 這個數中，「3」在十位，表示的數值是多少？
In the number 8139, the digit '3' is in the tens place. What value does it represent?
喵～四位數有千、百、十、個四個位置，「3」坐喺其中一個位上！🐾Meow! A 4-digit number has thousands, hundreds, tens and ones — '3' sits in one of them. 🐾
用 3、4、2 三張數字卡（每張只用一次），排出最小的三位數是什麼？
Using the digit cards 3, 4, 2 (each used once), what is the smallest 3-digit number you can make?
喵～排最小的三位數，要把合適的數字放到對應的位上！🐾Meow! To make the smallest 3-digit number, put each digit in the right place. 🐾
免費加入 MathCat：更多題目、逐步提示同家長進度報告。無需付費。 Join MathCat free — more questions, step-by-step hints and parent progress reports. No payment required.