Writing Numbers in Word Form and Number Form

Mathematics Grades 4th Grade 2:17 Video
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Lesson Description

Learn how to write numbers in both standard number form and word form! This lesson will help you understand place value and how to represent numbers in different ways.

Video Resource

Number and word form of a number

You tube

Duration: 2:17
Watch on YouTube

Key Concepts

  • Place Value (Hundreds, Tens, Ones)
  • Standard Form (Number Form)
  • Word Form

Learning Objectives

  • Students will be able to write a given number (up to the hundreds place) in word form.
  • Students will be able to write a number expressed in word form (up to the hundreds place) in standard number form.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students if they've ever written a check or read a large number in a book. Explain that numbers can be written in different ways. Introduce the terms 'standard form' (number form) and 'word form'.
  • Video Viewing (5 mins)
    Play the YouTube video: 'Number and word form of a number'. Ask students to pay attention to how the instructor converts between number and word forms.
  • Guided Practice (10 mins)
    Work through a few examples on the board. Start with numbers in the hundreds (e.g., 347, 902, 120). Guide students in writing these numbers in word form. Then, give examples in word form (e.g., 'one hundred twenty-five', 'seven hundred eighty') and guide students in writing them in number form.
  • Independent Practice (10 mins)
    Provide students with a worksheet containing a mix of numbers in standard and word forms. Ask them to convert each number to the opposite form independently. Encourage them to use place value understanding.
  • Review and Wrap-up (5 mins)
    Review the answers to the independent practice problems. Address any misconceptions. Reiterate the importance of place value in converting between number and word forms.

Interactive Exercises

  • Number Form/Word Form Matching Game
    Create a set of cards with numbers in standard form and word form. Students can play a matching game to pair the equivalent forms.
  • Whiteboard Practice
    Call out numbers in either standard or word form, and have students write the corresponding form on their individual whiteboards.

Discussion Questions

  • What is the difference between standard form and word form?
  • How does understanding place value help you write numbers in word form?
  • Can you think of any real-life situations where you might need to write a number in word form?

Skills Developed

  • Place Value Understanding
  • Number Sense
  • Writing Skills

Multiple Choice Questions

Question 1:

Which of these is the word form of the number 245?

Correct Answer: Two hundred forty-five

Question 2:

Which of these is the number form of 'one hundred twelve'?

Correct Answer: 112

Question 3:

What number is in the tens place in the number 378?

Correct Answer: 7

Question 4:

What number is in the hundreds place in the number 921?

Correct Answer: 9

Question 5:

Which number has a 5 in the hundreds place?

Correct Answer: 520

Question 6:

Which of these is the word form of 603?

Correct Answer: Six hundred three

Question 7:

Which of these is the number form of 'eight hundred fifty'?

Correct Answer: 850

Question 8:

What number is in the ones place in the number 490?

Correct Answer: 0

Question 9:

Which number has a 2 in the tens place?

Correct Answer: 520

Question 10:

Which of these is the word form of 777?

Correct Answer: Seven hundred seventy-seven

Fill in the Blank Questions

Question 1:

The number 52 is written as _________ in word form.

Correct Answer: fifty-two

Question 2:

The number seven hundred sixty-one is written as _________ in number form.

Correct Answer: 761

Question 3:

In the number 639, the 3 is in the _________ place.

Correct Answer: tens

Question 4:

In the number 108, the 1 is in the _________ place.

Correct Answer: hundreds

Question 5:

404 in word form is four hundred _________.

Correct Answer: four

Question 6:

Nine hundred ninety-nine in number form is _________.

Correct Answer: 999

Question 7:

In the number 250, the zero is in the _________ place.

Correct Answer: ones

Question 8:

The word form for 31 is _________.

Correct Answer: thirty-one

Question 9:

The number form for six hundred is _________.

Correct Answer: 600

Question 10:

In the number 817 the 7 is in the _________ place.

Correct Answer: ones

Educational Standards

4.N.1.1:Read, write, discuss, and represent whole numbers up to 1,000,000. Representations may include numerals, words, pictures, number lines, and manipulatives. 4.N.1.2:Use place value to describe whole numbers between 1,000 and 1,000,000 in terms of millions, hundred thousands, ten thousands, thousands, hundreds, tens, and ones with written, standard, and expanded forms.

Teaching Materials

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