Programmers' Day · Worksheet 1
Read the story. 英文を読もう。
1Most special days remember a person or an event. But one day in September was chosen by a number. It is the 256th day of the year, and it is called Programmers' Day. In most years, it is September 13. In a leap year, it comes one day earlier.
2So why 256? Computers keep information in tiny pieces called bits. A bit can only be 0 or 1. Eight bits make one byte, and one byte can show 256 different numbers. You get 256 when you multiply eight 2s together. And no bigger number of this kind fits into one year.
3The idea started in Russia. In 1996, a magazine editor asked computer fans online to make a holiday for programmers. The next year, they voted for day 256. In 2002, two workers at a computer company started to collect names for a letter to the government. Finally, on September 11, 2009, the Russian president signed an order. Two days later, Russia had its first official Programmers' Day.
4Other places have their own days. In China, some programmers celebrate on October 24, because 1024 is another famous computer number. People also remember Ada Lovelace. In 1843, she wrote steps for a machine that did not even exist yet. Many people call it the first computer program. So on day 256 this year, why not try to write your own first program?
Programmers' Day · Worksheet 2
Choose the best answer. 正しいものを選ぼう。
What is the reading mainly about?
How many different numbers can one byte show?
What happened two days after the president signed the order?
In paragraph 4, "a machine that did not even exist yet" means the machine was:
In the dialogue, what does Ivan's family do on Programmers' Day?
Programmers' Day · Worksheet 3
Words & phrases. 単語のれんしゅう。
Ken's First Program
Today is September 13, the 256th (1) of the year. Ken sits at his (2) . He wants to write his first (3) . He types slowly on the (4) . But the screen shows an error. "There is a (5) !" he says. His sister helps him find the (6) . Then the words "Hello, (7) !" appear. Ken is very happy.
Programmers' Day · Worksheet 4
Read the clues and fill in the puzzle. ヒントを読んで、クロスワードを完成させよう。
Programmers' Day · Worksheet 5
Find the hidden words. かくれた単語を探そう（→ ↓ ↘ ↗）。
Programmers' Day · Worksheet 6
Collect the letters on the right path. What is the secret word? 正しい道の文字を集めると、ひみつの言葉になるよ。
Secret word:
Programmers' Day · Worksheet 7
If I could make any app, I would make an app that ______.
I want to thank ______ because they help me with ______.
Programmers' Day · Worksheet 8
Trace the words. Then color the picture! なぞって書こう。絵に色を塗ろう。
Draw your Programmers' Day! プログラマーの日（256日目）の絵を描こう。