เฉลยแบบทดสอบก่อนเรียน

แบบทดสอบก่อนเรียน (Pretest)

1. 8923 + 741
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

2. 9856 + 7456
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

3. 9850 + 6788
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

4. 37899 + 6891
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

5. 8911+56
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

6. 9800-7878
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

7. 9632-46
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

8. 9900-802
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

9. 7653-984
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

10. 300000-999
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

11. นาย A มีเงินมากกว่านาย B 500 บาท ถ้านาย A มีเงิน 8,999 บาท นาย B จะมีเงินเท่าใด
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

12. รถแทร็กเตอร์ราคา 350,999 บาท ราคาแพงกว่ารถมอเตอร์ไซค์อยู่ 21,000 บาท รถแทร็กเตอร์ ราคาเท่าไหร่
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

13. ประชากรหมู่บ้านหนึ่งมีประชากรชายมากกว่าประชากรหญิงอยู่ 500 คน ซึ่งประชากรหญิงมีทั้งหมด 7,890 คน ประชากรชายมีทั้งหมดเท่าใด
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

14. น้องพีมีเงินมากกว่าน้องพายอยู่ 700 บาท น้องพีมีเงิน 900 บาท น้องพายจะมีเงินกี่บาท
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

15. หนังสือเล่มหนึ่งราคา 500 บาท ซื้อทั้งหมดสามเล่มเป็นเงินกี่บาท
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

16. ต้นไม้ต้นหนึ่งสูง 500 เซนติเมตร ต้องการสร้างบ้านเลยตัดมาทำบ้าน โดยตัดต้นไม้มา 450 เซนติเมตร จะเหลือตอไม้สูงกี่เมตร
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

กำหนดให้นักเรียนสร้างโจทย์ปัญหาจากคำตอบที่กำหนดให้(17 - 20)
17. 2,500
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

18. 451
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

19. 898
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

20. 7,700
	......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................