### 5N6.1.2 分數除法：包含 Fraction Division (Quotative)

 a ÷ b 中文版：http://www.geogebratube.org/material/show/id/14538 (Download GeoGebra file) (a)　12 個方格需要下列各紙條多少張才能鋪滿？ 　　(i) 3 格長紙條 　(ii) 4 格長紙條　(iii) 5 格長紙條 (b)　10 個方格需要多少張 4 格長的紙條才能鋪滿？ (c)　5 個方格需要多少張 3 格長的紙條才能鋪滿？ (d)　3 個方格需要多少張 5 格長的紙條才能鋪滿？ (e)　2 個方格需要多少張 4 格長的紙條才能鋪滿？ (f)　1 個方格需要多少張 3 格長的紙條才能鋪滿？ 一般來說，你會如何計算 a ÷ b？ x ÷ a/b (a)　1 個方格需要下列各紙條多少張才能鋪滿？ 　　(i) 1/2 格長紙條 　(ii) 1/3 格長紙條　(iii) 1/4 格長紙條　(iv) 1/5 格長紙條 (b)　1 個方格需要下列各紙條多少張才能鋪滿？: 　　(i) 2/5 格長紙條 　(ii) 3/5 格長紙條 　(iii) 4/5 格長紙條 　(iv) 1/5 格長紙條 (c)　1 個方格需要下列各紙條多少張才能鋪滿？: 　　(i) 1+1/3 格長紙條 　(ii)1+2/5 格長紙條 　(iii) 1+3/4 格長紙條 (d)　下列各方格需要多少張 2/3 格長的紙條才能鋪滿？ 　　(i) 1 格　(ii) 2 格　(iii) 4/5 格　(iv) 1+1/3 格 一般來說，你會如何計算 x ÷ a/b？     a ÷ b English Version :http://www.geogebratube.org/material/show/id/14542 (Download GeoGebra file) (a)　How many groups are there if 12 is divided into groups of: 　　(i) 3; 　(ii) 4;　(iii) 5? (b)　How many groups are there if 10 is divided into groups of 4? (c)　How many groups are there if 5 is divided into groups of 3? (d)　How many groups are there if 3 is divided into groups of 5? (e)　How many groups are there if 2 is divided into groups of 4? (f)　How many groups are there if 1 is divided into groups of 3? In general, how would you calculate a ÷ b ? x ÷ a/b http://www.geogebratube.org/material/show/id/14541(Download GeoGebra file) (a)　How many groups are there if 1 is divided into groups of: 　　(i) 1/2; 　(ii) 1/3;　(iii) 1/4;　(iv) 1/5? (b)　How many groups are there if 1 is divided into groups of: 　　(i) 2/5; 　(ii) 3/5;　(iii) 4/5;　(iv) 1/5? (c)　How many groups are there if 1 is divided into groups of: 　　(i) 1+1/3; 　(ii)1+2/5;　(iii) 1+3/4? (d)　How many groups are there if each of the following numbers is divided into groups of 2/3? 　　(i) 1 　(ii) 2　(iii) 4/5　(iv) 1+1/3 In general, how would you calculate x ÷ a/b?