diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e529828
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+testdata
+
diff --git a/README.md b/README.md
index f19aaef..9722074 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,8 @@
-# dojo7
-#7 Gopher道場用のリポジトリです
-connpass: https://gopherdojo.connpass.com/event/142892/
+# 課題３
 
-## 課題の提出方法
-
-1回目の課題を提出する場合は次のようにコードを書いて下さい。
-
-* ブランチ名を`kadai1-tenntenn`のようにする
-* `kadai1/tenntenn`のようにディレクトリを作る
-* READMEに説明や文章による課題の回答を書く
-* PRを送る
-
-※FBには時間がかかる可能性があります。
+## タイピングゲームを作ろう
 
+- [x] 標準出力に英単語を出す（出すものは自由）
+- [x] 標準入力から1行受け取る
+- [x] 制限時間内に何問解けたか表示する
 
diff --git a/kadai1/.gitkeep b/kadai1/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/kadai3-1/shinta/export_test.go b/kadai3-1/shinta/export_test.go
new file mode 100644
index 0000000..5d70d0f
--- /dev/null
+++ b/kadai3-1/shinta/export_test.go
@@ -0,0 +1,4 @@
+package main
+
+var Execute = execute
+var InputRoutine = inputRoutine
diff --git a/kadai3-1/shinta/go.mod b/kadai3-1/shinta/go.mod
new file mode 100644
index 0000000..f56eb14
--- /dev/null
+++ b/kadai3-1/shinta/go.mod
@@ -0,0 +1,3 @@
+module github.com/gopherdojo/dojo7/kadai3-1/shinta
+
+go 1.12
diff --git a/kadai3-1/shinta/go.sum b/kadai3-1/shinta/go.sum
new file mode 100644
index 0000000..5726ce0
--- /dev/null
+++ b/kadai3-1/shinta/go.sum
@@ -0,0 +1 @@
+github.com/gopherdojo/dojo7 v0.0.0-20190903074013-69385d40c994 h1:UbdhtSFDdFiSYOb/TkEmlRIUFQRrBlKOzVDY3+SXaSw=
diff --git a/kadai3-1/shinta/main.go b/kadai3-1/shinta/main.go
new file mode 100644
index 0000000..d995334
--- /dev/null
+++ b/kadai3-1/shinta/main.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"time"
+
+	"github.com/gopherdojo/dojo7/kadai3-1/shinta/typing"
+)
+
+const timeLimit = 5
+
+/*
+Typing displays the English word in question with the showtext method.
+Compare with the value entered in the judge method.
+*/
+type Typing interface {
+	ShowText() string
+	Judge(input string) bool
+}
+
+func main() {
+	problems := []string{"apple", "bake", "cup", "dog", "egg", "fight", "green", "hoge", "idea", "japan"}
+	typing := typing.Redy(problems)
+	chInput := inputRoutine(os.Stdin)
+	chFinish := time.After(time.Duration(timeLimit) * time.Second)
+
+	execute(chInput, chFinish, os.Stdout, typing)
+}
+
+func execute(chInput <-chan string, chFinish <-chan time.Time, stdout io.Writer, t Typing) {
+
+	score := 0
+	for i := 1; ; i++ {
+		fmt.Fprintf(stdout, "[%03d]: %v\n", i, t.ShowText())
+		fmt.Fprint(stdout, "type>>")
+		select {
+		case inText := <-chInput:
+			if t.Judge(inText) {
+				score++
+				fmt.Fprintln(stdout, "Correct!")
+			} else {
+				fmt.Fprintln(stdout, "Miss!")
+			}
+		case <-chFinish:
+			fmt.Fprintln(stdout, "\nTime's up!!")
+			fmt.Fprintf(stdout, "You Scored: %v\n", score)
+			return
+		}
+	}
+}
+
+func inputRoutine(r io.Reader) <-chan string {
+	ch := make(chan string)
+
+	go func() {
+		s := bufio.NewScanner(r)
+		for s.Scan() {
+			ch <- s.Text()
+		}
+	}()
+
+	return ch
+}
diff --git a/kadai3-1/shinta/main_mock_test.go b/kadai3-1/shinta/main_mock_test.go
new file mode 100644
index 0000000..4676029
--- /dev/null
+++ b/kadai3-1/shinta/main_mock_test.go
@@ -0,0 +1,44 @@
+package main_test
+
+import (
+	"io"
+)
+
+//Stdin
+type StdinMock struct {
+	i     int
+	input []string
+}
+
+func (stdin *StdinMock) Read(p []byte) (n int, err error) {
+	if stdin.i >= len(stdin.input) {
+		return 0, io.EOF
+	}
+	b := []byte(stdin.input[stdin.i] + "\n") //Scanが回るようにLF追加
+	copy(p, b)
+	stdin.i++
+	return len(b), nil
+}
+
+//Stdout
+type StdoutMock struct {
+	output []string
+}
+
+func (stdout *StdoutMock) Write(p []byte) (n int, err error) {
+	str := string(p)
+	stdout.output = append(stdout.output, str)
+	return len(str), nil
+}
+
+//Typing
+type TypingMock struct {
+}
+
+func (typ *TypingMock) ShowText() string {
+	return "FOO"
+}
+
+func (typ *TypingMock) Judge(input string) bool {
+	return "FOO" == input
+}
diff --git a/kadai3-1/shinta/main_test.go b/kadai3-1/shinta/main_test.go
new file mode 100644
index 0000000..8a50283
--- /dev/null
+++ b/kadai3-1/shinta/main_test.go
@@ -0,0 +1,79 @@
+package main_test
+
+import (
+	"bytes"
+	"testing"
+	"time"
+
+	main "github.com/gopherdojo/dojo7/kadai3-1/shinta"
+)
+
+func TestInputRoutine(t *testing.T) {
+	input := []string{"apple", "bake", "cup", "dog"}
+	// StdinMockのinputに、標準入力で送信されたと仮定した文字列が入る
+	stdin := &StdinMock{
+		i:     0,
+		input: input,
+	}
+	ch := main.InputRoutine(stdin)
+
+	for _, expected := range input {
+		actual := <-ch
+		if actual != expected {
+			t.Errorf("expected:%v, actual:%v", expected, actual)
+		}
+	}
+}
+
+func TestExecute(t *testing.T) {
+	chInput := make(chan string, 3)
+	chFinish := make(chan time.Time, 1)
+
+	scenario := []struct {
+		inputText string
+		time      time.Time
+	}{
+		{
+			inputText: "apple",
+		},
+		{
+			inputText: "bbaak",
+		},
+		{
+			inputText: "cup",
+		},
+		{
+			time: time.Now(),
+		},
+	}
+
+	// 新しく文字列を格納するbufferを確保
+	buf := bytes.NewBufferString("")
+	typ := &TypingMock{}
+
+	go func() {
+		for _, s := range scenario {
+			time.Sleep(100 * time.Millisecond)
+			if s.inputText != "" {
+				chInput <- s.inputText
+			}
+			if !s.time.IsZero() {
+				chFinish <- s.time
+			}
+		}
+	}()
+	main.Execute(chInput, chFinish, buf, typ)
+
+	expected := []byte("" +
+		"[001]: apple\n" + "type>>" + "Correct!\n" +
+		"[002]: bake\n" + "type>>" + "Miss!\n" +
+		"[003]: cup\n" + "type>>" + "Correct!\n" +
+		"[004]: dog\n" + "type>>" +
+		"\nTime's up!!\n" +
+		"You Scored: 2\n")
+
+	// byteスライスの比較、a == bの場合は0を返す
+	if bytes.Compare(buf.Bytes(), expected) != 0 {
+		t.Errorf("[expected]:\n%s\n[actual]:\n%s", expected, buf.Bytes())
+	}
+}
diff --git a/kadai3-1/shinta/typing/typing.go b/kadai3-1/shinta/typing/typing.go
new file mode 100644
index 0000000..765cbbe
--- /dev/null
+++ b/kadai3-1/shinta/typing/typing.go
@@ -0,0 +1,33 @@
+package typing
+
+import (
+	"math/rand"
+	"time"
+)
+
+// Typing represents a list of English words and a single word extracted from it.
+type Typing struct {
+	wordList []string
+	nextWord string
+}
+
+// Redy function is a constructor for typing struct.
+func Redy(prolems []string) *Typing {
+	// 乱数の初期化
+	rand.Seed(time.Now().UnixNano())
+	return &Typing{
+		wordList: prolems,
+	}
+}
+
+// ShowText method returns one English word randomly from the English word list.
+func (t *Typing) ShowText() string {
+	i := rand.Intn(len(t.wordList))
+	t.nextWord = t.wordList[i]
+	return t.nextWord
+}
+
+// Judge method determines whether the sent word and the nextText of the typing structure are the same
+func (t *Typing) Judge(inText string) bool {
+	return inText == t.nextWord
+}
diff --git a/kadai3-1/shinta/typing/typing_test.go b/kadai3-1/shinta/typing/typing_test.go
new file mode 100644
index 0000000..da7dae5
--- /dev/null
+++ b/kadai3-1/shinta/typing/typing_test.go
@@ -0,0 +1,46 @@
+package typing_test
+
+import (
+	"testing"
+
+	"github.com/gopherdojo/dojo7/kadai3-1/shinta/typing"
+)
+
+var problems = []string{"apple", "bake", "cup", "dog", "egg", "fight", "green", "hoge", "idea", "japan"}
+
+func includes(s string) bool {
+	for _, v := range problems {
+		if v == s {
+			return true
+		}
+	}
+	return false
+}
+
+func TestShowText(t *testing.T) {
+	typ := typing.Redy(problems)
+	for i := 0; i < len(problems); i++ {
+		txt := typ.ShowText()
+		if !includes(txt) {
+			t.Errorf("actual: %v\n", txt)
+		}
+	}
+}
+
+func TestJudge(t *testing.T) {
+	typ := typing.Redy(problems)
+	txt := typ.ShowText()
+
+	if !typ.Judge(txt) {
+		t.Errorf("Judge() must be true")
+	}
+}
+
+func TestJudgeFailed(t *testing.T) {
+	typ := typing.Redy(problems)
+	typ.ShowText()
+
+	if typ.Judge("TTT") {
+		t.Errorf("Judge() must be false")
+	}
+}