1.
數數看：5035，5445，5855，6265，_____。
Count along: 5035, 5445, 5855, 6265, _____.
MATH CAT
進階卷 · Hard
小二數與位值練習 P2 Numbers & Place Value Practice
姓名 Name: ______________________
日期 Date: ______________
分數 Score: ______ / 15
請圈出最佳答案。 · Circle the best answer.
2.
以下哪一個是介乎 4874 和 8833 之間的四位雙數？
Which of the following is a 4-digit even number between 4874 and 8833?
3.
數數看：1743，1912，2081，2250，_____。
Count along: 1743, 1912, 2081, 2250, _____.
4.
把 3640 分拆成千、百、十、個：_______
Expand 3640 into thousands, hundreds, tens and ones: _______
5.
數數看：1790，2277，2764，3251，_____。
Count along: 1790, 2277, 2764, 3251, _____.
6.
以下哪一個是介乎 5515 和 6779 之間的四位單數？
Which of the following is a 4-digit odd number between 5515 and 6779?
7.
數數看：2059，1818，1577，1336，_____。
Count along: 2059, 1818, 1577, 1336, _____.
8.
把 1894 寫成展開式，哪一個正確？
Which expanded form correctly shows 1894?
9.
在所有三位數中，最大的三位數是什麼？
What is the largest 3-digit number?
10.
以下哪一個是介乎 8124 和 9333 之間的四位單數？
Which of the following is a 4-digit odd number between 8124 and 9333?
11.
用 3、4、6 三張數字卡（每張只用一次），排出最大的三位偶數是什麼？
Using the digit cards 3, 4, 6 (each used once), what is the largest 3-digit even number you can make?
12.
把 3005 寫成展開式，哪一個正確？
Which expanded form correctly shows 3005?
13.
數數看：2083，1596，1109，622，_____。
Count along: 2083, 1596, 1109, 622, _____.
14.
把 7287 寫成展開式，哪一個正確？
Which expanded form correctly shows 7287?
15.
數數看：3445，3254，3063，2872，_____。
Count along: 3445, 3254, 3063, 2872, _____.
MATH CAT
答案 · Answer Key
小二數與位值 · 進階卷 P2 Numbers & Place Value · Hard
1. D 6675
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾
2. B 6574
喵～「之間」即係嚴格大過細嘅一邊，又細過大嘅一邊，記住兩邊都唔可以等於！🐾Meow! "Between" means strictly more than the smaller and strictly less than the larger — neither end is allowed. 🐾
3. C 2419
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾
4. D 3000 + 600 + 40
喵～分拆就是把每一位的數乘以它的位值，再加起來！Meow—expand by multiplying each digit by its place value!
5. B 3738
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾
6. C 5807
喵～「之間」即係嚴格大過細嘅一邊，又細過大嘅一邊，記住兩邊都唔可以等於！🐾Meow! "Between" means strictly more than the smaller and strictly less than the larger — neither end is allowed. 🐾
7. C 1095
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾
8. D 1000 + 800 + 90 + 4
喵～每個位用「數字 × 位值」寫出來，再加起來！🐾Meow! Each place is digit × place value — then add the parts! 🐾
9. C 999
喵～三位數每一位都放最大的數字就是最大的三位數！🐱Meow~ Put the largest digit in every place of a 3-digit number! 🐱
10. C 9309
喵～「之間」即係嚴格大過細嘅一邊，又細過大嘅一邊，記住兩邊都唔可以等於！🐾Meow! "Between" means strictly more than the smaller and strictly less than the larger — neither end is allowed. 🐾
11. B 634
喵～排最大的三位數，要把合適的數字放到對應的位上！🐾Meow! To make the largest 3-digit number, put each digit in the right place. 🐾
12. A 3000 + 5
喵～每個位用「數字 × 位值」寫出來，再加起來！🐾Meow! Each place is digit × place value — then add the parts! 🐾
13. C 135
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾
14. C 7000 + 200 + 80 + 7
喵～每個位用「數字 × 位值」寫出來，再加起來！🐾Meow! Each place is digit × place value — then add the parts! 🐾
15. A 2681
喵～大步數都係穩定的規律，找出相鄰兩個數的差，就揾到下一個數！🐾Meow! Even with big jumps, the gap between neighbours stays constant — find it to keep going. 🐾