2.8 รูปเล่มเอกสารประกอบการเรียนการสอน บทที่ 2 ดอกเบี้ยและมูลค่าของเงิน ปี 65

แบบฝึกทกั ษะคณติ ศาสตร์ บทท่ี 2 เร่ือง ดอกเบี้ยและมูลคา่ ของเงนิ 49 รายวชิ าคณิตศาสตร์พืน้ ฐาน 3 ค32101 ช้นั มธั ยมศกึ ษาปที ่ี 5 ภาคเรียนที่ 1 3. สดุ าฝากเงิน 2,000 บาท เขา้ บญั ชีธนาคารทุกต้นเดือน ไดร้ ับอตั ราดอกเบีย้ 3% ต่อปี โดยคิดดอกเบี้ยแบบ ทบตน้ ทกุ เดือน เมื่อสิ้นปีท่ี 5 สุดาจะได้เงินรวมเทา่ ใด ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 4. ทอแสงฝากเงนิ 3,000 บาท เขา้ บัญชีธนาคารทุกส้ินไตรมาส (1 ไตรมาส เทา่ กบั 3 เดือน) ไดร้ ับอตั รา ดอกเบยี้ 6% ต่อปี โดยคิดดอกเบยี้ แบบทบตน้ ทกุ ไตรมาส เมื่อสนิ้ ปที ่ี 4 ทอแสงจะได้เงนิ รวมเท่าใด ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ครูผู้สอน : ครูจรี ะนชุ สงพูล และครูธญั ญาวี พงศ์สรสทิ ธ์ิ

แบบฝึกทกั ษะคณติ ศาสตร์ บทที่ 2 เร่อื ง ดอกเบ้ียและมูลค่าของเงนิ 50 รายวิชาคณติ ศาสตรพ์ ื้นฐาน 3 ค32101 ชน้ั มธั ยมศกึ ษาปีที่ 5 ภาคเรียนที่ 1 5. ใบเตยซื้อรถยนต์ราคา 700,000 บาท โดยตกลงจ่ายเงนิ ดาวน์ 200,000 บาท และผอ่ นชำระส่วนท่เี หลอื เป็นจำนวนเงนิ เท่ากนั ทุกเดือน เปน็ เวลา 5 ปี โดยผ่อนชำระทุกสิน้ เดือน ถ้าอัตราดอกเบ้ีย 3% ต่อปี โดยคิดดอกเบ้ียแบบทบตน้ ทกุ เดอื นแล้ว ใบเตยจะตอ้ งผ่อนชำระเดอื นละเท่าใด ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 6. ยอดซ้อื รถจักรยานยนต์ราคา 60,000 บาท โดยตกลงจา่ ยเงนิ ดาวน์ 6,000 บาท และผอ่ นชำระท่ีเหลือเป็น จำนวนเงินเทา่ กนั ทุกเดือนเป็นเวลา 5 ปี โดยผ่อนชำระทุกสิ้นเดอื น ถ้าอตั ราดอกเบ้ยี 1.8% ตอ่ ปี โดยคดิ ดอกเบ้ยี แบบทบต้นทุกเดือน แลว้ ยอดต้องชำระค่ารถจกั รยานยนต์เดือนละเท่าไร ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ครูผ้สู อน : ครูจีระนชุ สงพูล และครูธัญญาวี พงศส์ รสทิ ธิ์

แบบฝกึ ทกั ษะคณิตศาสตร์ บทท่ี 2 เร่อื ง ดอกเบ้ียและมูลค่าของเงิน 51 รายวชิ าคณติ ศาสตรพ์ น้ื ฐาน 3 ค32101 ชั้นมธั ยมศึกษาปีท่ี 5 ภาคเรยี นท่ี 1 7. วชั ระฝากเงิน 10,000 บาท เข้าบัญชีธนาคารทุกตน้ เดือน เปน็ เวลา 4 ปี และไดร้ ับอตั ราดอกเบยี้ 3.6% ต่อปี โดยคดิ ดอกเบีย้ แบบทบต้นทุกเดือน เม่ือสนิ้ ปีท่ี 4 วัชระจะไดเ้ งินรวมเทา่ ใด ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 8. นศุ ราทำสัญญาเชา่ ตกึ แถวเปน็ รายปี เปน็ เวลา 5 ปี โดยมีคา่ เช่างวดละ 180,000 บาท อตั ราดอกเบ้ียเทา่ กบั 5% ต่อปี ทบตน้ ทุกปี 1) ถา้ มีการกำหนดใหจ้ า่ ยค่าเช่างวดแรกทันทีที่มกี ารทำสัญญา น่ันคอื จา่ ยทุกตน้ งวด ให้หาคา่ เช่ารวม ทัง้ หมด ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ครผู สู้ อน : ครูจีระนุช สงพูล และครธู ัญญาวี พงศส์ รสิทธิ์

แบบฝกึ ทักษะคณิตศาสตร์ บทที่ 2 เรอื่ ง ดอกเบ้ียและมูลคา่ ของเงนิ 52 รายวิชาคณิตศาสตรพ์ ื้นฐาน 3 ค32101 ชนั้ มธั ยมศึกษาปีท่ี 5 ภาคเรียนที่ 1 2) ถ้ามีการกำหนดใหจ้ ่ายค่าเชา่ ในวันครบกำหนดสญั ญาของทุกปี น่นั คือ จา่ ยทุกปลายงวดใหห้ าค่าเชา่ รวมทง้ั หมด ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... 3) ถา้ นักเรียนเป็นผเู้ ช่านักเรียนจะเลือกจ่ายค่าเช่าวิธีใด และถ้านักเรยี นเป็นผู้ให้เช่านักเรียนจะเลือกเก็บค่าเชา่ วิธีใด 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....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ....................................................................................................................................................................................................................... ครูผู้สอน : ครูจรี ะนุช สงพูล และครูธัญญาวี พงศ์สรสทิ ธ์ิ

แบบฝกึ ทักษะคณติ ศาสตร์ บทที่ 2 เร่ือง ดอกเบี้ยและมูลคา่ ของเงนิ 53 รายวชิ าคณติ ศาสตรพ์ ้ืนฐาน 3 ค32101 ช้ันมธั ยมศกึ ษาปที ่ี 5 ภาคเรยี นที่ 1 ครผู ู้สอน : ครูจรี ะนชุ สงพูล และครธู ัญญาวี พงศส์ รสิทธ์ิ