Welcome to the World of Numbers and Time!

Hello! In this chapter, we are going to learn about Numbers 1–50, the 7 Days of the Week, and the 12 Months of the Year. These are very important words because we use them every day to talk about our age, count our toys, and look at the calendar!

Don’t worry if some words look long or hard to spell. We will take it step-by-step, and you will be a pro in no time!

Part 1: Counting Numbers 1–50

We use numbers to answer the question: "How many...?" or "How old are you?" Let's break them down into groups based on your grade level.

Numbers 1–10 (The Foundation)

These are the most important numbers to remember. Most other numbers use these sounds!

  • \(1\) = one
  • \(2\) = two
  • \(3\) = three
  • \(4\) = four
  • \(5\) = five
  • \(6\) = six
  • \(7\) = seven
  • \(8\) = eight
  • \(9\) = nine
  • \(10\) = ten

Numbers 11–20 (The "Teens")

In Grade 1 (ป.1), we focus on numbers up to \(20\). Watch out for eleven and twelve—they are special!

  • \(11\) = eleven
  • \(12\) = twelve
  • \(13\) = thirteen (Notice it’s not "threeteen")
  • \(14\) = fourteen
  • \(15\) = fifteen (Notice it’s not "fiveteen")
  • \(16\) = sixteen
  • \(17\) = seventeen
  • \(18\) = eighteen
  • \(19\) = nineteen
  • \(20\) = twenty

Numbers 21–50 (The Patterns)

In Grade 2 (ป.2), we learn up to \(30\). In Grade 3 (ป.3), we go all the way to \(50\). The great news is that there is a pattern!

To make numbers like \(21, 22, 23\), you just take the "big" number (like twenty) and add the small number (like one).

  • \(21\) = twenty-one
  • \(22\) = twenty-two
  • \(30\) = thirty
  • \(35\) = thirty-five
  • \(40\) = forty (Note: no "u" in forty!)
  • \(48\) = forty-eight
  • \(50\) = fifty

Quick Review: Remember the difference between -teen and -ty!
Example: thirteen (\(13\)) sounds long at the end, while thirty (\(30\)) sounds short.

Part 2: The 7 Days of the Week

There are \(7\) days in every week. In Thailand, we often associate each day with a color! In English, we always start the name of a day with a Capital Letter.

  1. Monday (Yellow)
  2. Tuesday (Pink)
  3. Wednesday (Green)
  4. Thursday (Orange)
  5. Friday (Blue)
  6. Saturday (Purple)
  7. Sunday (Red)

Did you know? Saturday and Sunday are called the weekend because they are at the end of the week when we usually don't go to school!

Part 3: The 12 Months of the Year

There are \(12\) months in a year. Just like days, months always start with a Capital Letter.

  • January (The \(1^{st}\) month)
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December (The last month - Christmas time!)

Memory Tip: Many months end in -ber (September, October, November, December). This can help you remember the end of the year!

Part 4: Using Our Vocabulary

Here are some simple sentences you can use with your friends and teachers:

1. Asking about Quantity:
Q: "How many pencils?"
A: "Three pencils."

2. Asking about Age:
Q: "How old are you?"
A: "I am eight years old."

3. Asking about the Day:
Q: "What day is it?"
A: "It is Monday."

Quick Summary Checklist

Check if you can do these things:

  • Count from \(1\) to \(20\) without looking. (ป.1 Goal)
  • Count from \(1\) to \(30\) and recognize the "ty" pattern. (ป.2 Goal)
  • Count from \(1\) to \(50\) and name the days and months. (ป.3 Goal)
  • Remember to use Capital Letters for days (like Monday) and months (like January).

Keep practicing! Numbers and dates are like a code. Once you learn the names, you can unlock the calendar and count anything you see!

For more about describing things you count, check out the chapter on "Things around me: colours, sizes, places".