KEMAMPUAN REPRESENTASI MATEMATIS PESERTA DIDIK MELALUI MODEL PEMBELAJARAN THINK TALK WRITE (TTW) PADA MATERI BANGUN DATAR SEGI EMPAT DI KELAS VII E MTs AL-IBROHIMI MANYAR GRESIK
Abstract
Kemampuan representasi matematis merupakan hal yang selalu muncul ketika
seseorang mempelajari matematika karena kemampuan representasi dapat membantu
peserta didik menjelaskan konsep atau ide dan memudahkan peserta didik untuk
mendapatkan strategi pemecahan dalam menjawab soal – soal matematika, namun
banyak peserta didik yang kurang memahami serta merepresentasi masalah yang
berkaitan segiempat, salah satu faktor penyebab rendahnya kemampuan representasi
matematis terletak pada penggunaan model pembelajaran yang belum tepat. Penelitian
ini untuk mendeskripsikan kemampuan representasi matematis peserta didik melalui
model pembelajaran Think Talk Write
(TTW
) pada materi bangun datar segi empat di
kelas VII E MTs Al – Ibrohimi Manyar Gresik.
Penelitian ini merupakan penelitian deskriptif kuantitatif. Subjek pada penelitian ini
adalah seluruh peserta didik kelas VII-E MTs Al-Ibrohimi sebanyak 41 peserta didik.
Metode yang digunakan adalah metode tes dan observasi. Instrumen yang digunakan
adalah tes kemampuan representasi matematis dan lembar observasi.
Dari hasil analisis data, kemampuan representasi matematis peserta didik kelas VII
E di MTs Al-Ibrohimi setelah melakukan pembelajaran dengan model TTW tergolong
baik dengan rata – rata prosentase sebesar 64,27%, berdasarkan observasi, persentase
rata-rata aktifitas peserta didik pada seluruh pertemuan yang berada pada kategori aktif
yaitu 54,1%, kategori cukup aktif yaitu 28,6%, dan kategori tidak aktif yaitu 17,3%.
Kemampuan guru dalam mengelola pembelajaran dengan model TTWpadamateri bangun
datar segi empat tergolong baik dengan rata – rata 80,5.
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