Picture This! Representing Numbers to 500

Math Grades 1st Grade 10:41 Video
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Lesson Description

Learn how to use pictures of hundreds, tens, and ones to represent numbers up to 500!

Video Resource

Grade 1: Saxon Math Lesson # 127 Representing Numbers to 500 Using Pictures

The Eagle's Nest - Our Online Classroom

Duration: 10:41
Watch on YouTube

Key Concepts

  • Place Value (Hundreds, Tens, Ones)
  • Representing numbers with pictures
  • Counting by 100s, 10s, and 1s

Learning Objectives

  • Students will be able to identify pictures representing 100, 10, and 1.
  • Students will be able to represent numbers up to 500 using pictures of hundreds, tens, and ones.
  • Students will be able to determine the number represented by a given set of pictures of hundreds, tens, and ones.

Educator Instructions

  • Introduction (5 mins)
    Begin by reviewing base ten blocks (if available) and their values (1, 10, 100). Explain that today, they'll be using pictures to represent the same values.
  • Video Viewing (10 mins)
    Watch the YouTube video 'Grade 1: Saxon Math Lesson # 127 Representing Numbers to 500 Using Pictures'. Pause at key points to discuss the concepts presented.
  • Guided Practice (15 mins)
    Using drawings or printouts of hundreds squares, tens rods, and ones units, guide students through representing different numbers. Start with smaller numbers (under 100) and gradually increase the difficulty. Provide examples such as: 'Let's show the number 235. How many hundreds do we need? How many tens? How many ones?'
  • Independent Practice (15 mins)
    Provide students with worksheets or drawing materials and ask them to represent various numbers using pictures. For example, ask students to draw the number 412, or 178.
  • Wrap-up (5 mins)
    Review the key concepts and answer any remaining questions. Reiterate the connection between the pictures and place value.

Interactive Exercises

  • Number Picture Match
    Create cards with numbers written on them (e.g., 123, 25, 300). Have students match the number card to the corresponding picture representation of that number using drawings or pre-made picture cards.
  • Drawing Numbers
    Give each student a number. Have them draw the hundreds, tens, and ones to represent that number. Then, have students share their drawings with the class.

Discussion Questions

  • What does the big square picture represent?
  • What does the rod picture represent?
  • What does the little square picture represent?
  • How can we use these pictures to make a big number like 345?

Skills Developed

  • Place Value Understanding
  • Visual Representation of Numbers
  • Counting and Number Recognition

Multiple Choice Questions

Question 1:

Which picture shows 100?

Correct Answer: A big square

Question 2:

Which picture shows 10?

Correct Answer: A long line

Question 3:

Which picture shows 1?

Correct Answer: A small square

Question 4:

If you have 2 big squares, how much is that?

Correct Answer: 200

Question 5:

If you have 3 long lines, how much is that?

Correct Answer: 30

Question 6:

If you have 5 small squares, how much is that?

Correct Answer: 5

Question 7:

Which shows the number 123?

Correct Answer: 1 big square, 2 long lines, 3 small squares

Question 8:

Which shows the number 25?

Correct Answer: 2 long lines, 5 small squares

Question 9:

What number do we have if there is 1 big square and 4 small squares?

Correct Answer: 104

Question 10:

What number do we have if there are 3 big squares?

Correct Answer: 300

Fill in the Blank Questions

Question 1:

A big square shows the number _______.

Correct Answer: 100

Question 2:

A long line shows the number _______.

Correct Answer: 10

Question 3:

A small square shows the number _______.

Correct Answer: 1

Question 4:

To show the number 200, you need _______ big squares.

Correct Answer: 2

Question 5:

To show the number 30, you need _______ long lines.

Correct Answer: 3

Question 6:

To show the number 7, you need _______ small squares.

Correct Answer: 7

Question 7:

The number 110 has 1 big square and _______ long line.

Correct Answer: 1

Question 8:

The number 205 has 2 big squares and _______ small squares.

Correct Answer: 5

Question 9:

The number 320 has 3 big squares and _______ long lines.

Correct Answer: 2

Question 10:

In the number 412, there are ______ small squares.

Correct Answer: 2

Educational Standards

1.NBT.B.2:Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: 1.NBT.A.1:Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral. 1.NBT.C.4:Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Teaching Materials

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