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概數

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Mathematics

6th Grade

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概數
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

郁家的農田去年生產19,999公斤的地瓜,廷祐去年則生產29,000公斤的地瓜,兩人去年來生產的地瓜大約共有多少公斤? (先用無條件進入法取概數到千位,再算算看)

50,000

48,000

49,000

47,000

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

福樂量販店推出紅利集點的活動,只要消費滿100元,就可以獲得紅利點1點,宗憲某次消費獲得84點。

(1)宗憲這次的消費最少可能是多少元?

(2)宗憲這次的消費最多可能是多少元?

(1) 8400元

(2) 8499元

(1) 8399元

(2) 8499元

(1) 8300元

(2) 8599元

(1) 8299元

(2) 8599元

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Y是一個整數,用四捨五入取概數到千位的結果是53000。

(1)請問Y最大可能是多少?

(2)Y最小可能是多少?

(1) 53999

(2) 52599

(1) 54999

(2) 52799

(1) 53499

(2) 52599

(1) 53499

(2) 52500

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

嘉義市人口總數是265,002 (2021年9月資料)

(1)用四捨五入取概數到千位,嘉義市人口大約多少人?

(2)用四捨五入取概數到萬位,嘉義市人口大約多少人?

(1) 265,000

(2) 270,000

(1) 266,000

(2) 270,000

(1) 270,000

(2) 265,000

(1) 266,000

(2) 267,000

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

吳先生一個月的收入是26,378元,吳太太一個月的收入是39,510元,兩個一個月的收入大約是多少元?(先用無條件捨去法取概數到千位,再算算看)

64,000

65,000

63,000

62,000

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