Too many division strategies๐ช๐ป
i'm anko from the home learning hurdle lowering team ๐ซ
@ kosodate
Why does the calculation of division suddenly feel difficult when too much comes out ๐คท๐ปโโ๏ธ
"Why is it left over?"
What does 5 รท 9 mean?
Many children stumble just like their daughters ๐ฉ๐ป๐ฆ๐ป
So I made a sheet that converts multiplication into multiplication ๐ก
With this sheet,
ใป It can be considered by replacing division with multiplication
ใป Be able to visually understand how the remainder is treated
In other words, you will be able to understand too much division ๐ช๐ป
[Things to prepare]
ใป Cardboard (30cm wide ร 5cm long)
ใป 4 sheets of color drawing paper (2.2cm wide ร 3.5cm long) * slightly larger than the square window
ใป OPP tape
[Other]
ใป Size of square window Width 2cm ร Length 3cm
ใป Square window margin 1 cm
Interval 1.5 cm
ใป Symbol open state: "รท," "=," "not much"
Closed state: "=" "ร" "+"
Even handling too much that is difficult to understand only in school classes,
It can be understood in a short time by using a sheet ๐๐ป
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# math Too much division # division Small 3
Learning at home# elementary school mom # home learning # home learning # education # elementary school
ใใกใฎๅญใไธ็ชใคใพใใใใฎใฏใใใใพใใใใฎใใฎใใใโๅฒใๅใใชใใฃใฆใฉใใใ็ถๆ ๏ผโใใคใกใผใธใงใใชใใใจใงใใใใใใงใ่จไบใฎใทใผใ๏ผๅ็ด30cmร5cm๏ผๅ่ง็ช4ใค๏ผOPPใใผใ๏ผใไฝฟใใคใคใๅฎถใงใใใใฃใๅฃฐใใใจ็ทด็ฟๆนๆณใใพใจใใพใใ ใพใๅคงไบใชใฎใฏใๅฒใ็ฎใฎๆๅณใ1ใคใซๆฑบใใใใจใๅฐ3ใฏๅบๆฌ็ใซใ็ญๅ๏ผๅใๆฐใใคๅใใ๏ผใใง่ใใใจในใ ใผใบใงใใใใใจใใฐ26รท3ใใพใใฏใใ26ใใ3ไบบใซๅใๆฐใใค้ ใใใใใฎใจใใ3ใง้ ใใๅๆฐใโๅโใ้ ใใใใใซๆฎใฃใใฎใโใใพใโใงใใ ใทใผใใงใใฃใใใจใ่จ่ใซใใใจใ่ใๆนใฏใใใ ใใงใใ ใปๅใๅ ใซๆฑบใใ๏ผ3ร8=24๏ผ3ใฎๆฎตใง26ใ่ถ ใใชใๆๅคง๏ผ ใปๆฎใใ่ฆใ๏ผ26-24=2 ใปใ ใใ 26รท3=8ใใพใ2 ใใใงใฎใณใใฏใใใใชใ็ญ็ฎใซ่กใใใใใ็ฎใใใใงใซ็ฟใฃใใใ็ฎใฎๅฝขใซๅคๆใใใใใจใใทใผใใ้ใใฆใรทใใ๏ผใใใใพใใใ่ฆใใ้ใใฆใ๏ผใใรใใ๏ผใใซใชใใฎใ่ฆใใใจใๅผใฎใคใชใใใไธๆฐใซ็่งฃใใใใใชใใพใใใ ๅฎ้ใซๅญใฉใใซไผใใโ็ขบ่ช่ณชๅโใๅนๆใใใใพใใใ 1) ใใพใใฏๅฒใๆฐใใๅฐใใ๏ผ๏ผใใพใ๏ผ3 ใซใชใฃใฆใ๏ผ๏ผ 2) ใใ็ฎใซๆปใใ๏ผ๏ผ3ร8๏ผ2=26 ใซใชใฃใฆใ๏ผ๏ผ ใใฎ2ใคใใฏใชใขใใใจใ็ญใๅใใใ่ชๅใงใงใใใฎใงใๅฒใ็ฎ็ทด็ฟใฎๅน็ใไธใใใพใใใๅฒใ็ฎ ๅ้ก ็ญใไปใใใ่งฃใๅใซใใพใใฏโ่ชๅใงๆค็ฎใงใใโ็ถๆ ใไฝใใฎใ่ฟ้ใงใใใ ๅฐ3ใฎๅฒใ็ฎๅ้กใงใใใใ้้ใใฏใ ใปๅใๅคงใใใใใใฆ 3ร9=27 ใฟใใใซ่ถ ใใฆใใพใ ใปใใพใใ3ไปฅไธใซใใฆใใพใ๏ผไพ๏ผ8ใใพใ5 ใชใฉ๏ผ ใชใฎใงใๆๅใฏใ3ใฎๆฎตใฎใฉใใซๅ ฅใ๏ผใใๅฃฐใซๅบใใฆๆขใใฎใใใใใใงใใ 3ๆกใฎๅฒใ็ฎใซ้ฒใๅใๅใใงใใใใชใๅ จ้จใๅฒใใใซใใใใพใงใชใๅฒใใใใๅบๅใใจ่ฝใก็ใใพใใใใจใใฐ156รท3ใชใใใพใ15รท3=5ใๆฌกใซ6รท3=2ใใจใใๆใใงโใใ็ฎใฎ้โใซๆปใ็ถใใใคใกใผใธใ ๆๅพใซใ่จๅท๏ผๅฒใ็ฎ ่จๅทใฎรท๏ผใฎ่ชญใฟๆนใใปใใใง็ขบ่ชใใใจใใในใใงใฎๅใใใผใใๆธใใพใใใใรทใฏโใใโใรใฏโใใใโใ๏ผใฏโๅใโใใใทใผใใง่ฆใใใจใ็ฎๆฐใฎ่จ่ใใใใฃใฆ็่งฃใใใใใฃใใงใใ