Counting Fun: Exploring Numbers 40 to 49!

Math Grades 1st Grade 14:50 Video
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Lesson Description

Let's learn all about the numbers 40 to 49! We'll count, spell, and put them in order.

Video Resource

Learn Grade 1 Maths Practicing Numbers 40 to 49 | Learning Video For Kids | Kids Classroom

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Duration: 14:50
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Key Concepts

  • Counting from 40 to 49
  • Understanding tens and ones
  • Number recognition and spelling

Learning Objectives

  • Students will be able to count forward and backward from 40 to 49.
  • Students will be able to identify the tens and ones place in numbers 40-49.
  • Students will be able to spell the numbers 40 to 49.

Educator Instructions

  • Introduction (5 mins)
    Start by asking students what numbers they already know. Introduce the idea of learning about numbers in the 40s. Show the YouTube video: 'Learn Grade 1 Maths Practicing Numbers 40 to 49'.
  • Counting with Beads (10 mins)
    Use beads or counters to represent numbers 40-49. Show how 40 is made up of 4 sets of ten beads. Then add individual beads to show 41, 42, etc., explaining that each number has 4 tens and a different number of ones.
  • Number Spelling (10 mins)
    Write the numbers 40 to 49 on the board. Say each number aloud and spell it. Have students repeat the spelling after you. Practice writing the numbers and their spellings.
  • Ordering Numbers (10 mins)
    Write the numbers 40-49 randomly on the board. Ask students to put them in the correct order, both forward and backward. You can also use number cards for this activity.
  • Wrap Up (5 mins)
    Quick review game of counting from 40 to 49 and back, and number spelling. Introduction to the idea of what numbers come after 49.

Interactive Exercises

  • Number Matching Game
    Create cards with the numbers 40-49 and another set of cards with the spelled-out versions of the numbers. Have students match the number to its spelling.
  • Missing Number
    Write a sequence of numbers with one missing (e.g., 41, 42, __, 44). Have students fill in the missing number.

Discussion Questions

  • What number comes after 45?
  • How many tens are in the number 43?
  • If you have 4 tens and 7 ones, what number do you have?

Skills Developed

  • Number recognition
  • Counting skills
  • Place value understanding
  • Spelling

Multiple Choice Questions

Question 1:

What number comes after 42?

Correct Answer: 43

Question 2:

How many tens are in the number 48?

Correct Answer: 4

Question 3:

Which number is spelled 'forty-five'?

Correct Answer: 45

Question 4:

What is one more than 46?

Correct Answer: 47

Question 5:

What number has 4 tens and 0 ones?

Correct Answer: 40

Question 6:

Which number is smaller, 43 or 47?

Correct Answer: 43

Question 7:

How do you spell 41?

Correct Answer: forty-one

Question 8:

What number comes before 40?

Correct Answer: 39

Question 9:

Which number is the biggest?

Correct Answer: 49

Question 10:

How many ones are in 44?

Correct Answer: 4

Fill in the Blank Questions

Question 1:

The number that comes after 44 is ____.

Correct Answer: 45

Question 2:

4 tens and 2 ones make the number ____.

Correct Answer: 42

Question 3:

The number before 49 is ____.

Correct Answer: 48

Question 4:

F O R T Y - S I X spells the number ____.

Correct Answer: 46

Question 5:

40 has ____ tens and 0 ones.

Correct Answer: 4

Question 6:

If you count up from 43 to 45, you count _____ numbers.

Correct Answer: 2

Question 7:

The number that comes between 41 and 43 is ____.

Correct Answer: 42

Question 8:

Forty-seven is written as _____.

Correct Answer: 47

Question 9:

There are 4 tens and 9 ones in the number ______.

Correct Answer: 49

Question 10:

To spell 43, you write forty-________.

Correct Answer: three

Educational Standards

CCSS.Math.Content.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. CCSS.Math.Content.1.NBT.B.2:Understand that the two digits of a two-digit number represent amounts of tens and ones. CCSS.Math.Content.1.OA.C.5:Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Teaching Materials

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