Number Ninjas: Mastering 70 to 79!

Math Grades 1st Grade 6:28 Video
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Lesson Description

Let's become number ninjas by practicing counting, identifying, and understanding numbers from 70 to 79! We'll learn to count forwards and backwards, find missing numbers, and understand tens and ones.

Video Resource

Learn Grade 1 - Maths - Practicing 70 to 79 | Learning And Educational Video | Kids Classroom

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Duration: 6:28
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Key Concepts

  • Counting forwards and backwards from 70 to 79.
  • Identifying numbers that come before, after, or between other numbers.
  • Understanding place value: tens and ones in numbers 70-79.

Learning Objectives

  • Students will be able to count forwards and backwards from 70 to 79 with accuracy.
  • Students will be able to identify the number that comes before, after, or between two given numbers within the range of 70-79.
  • Students will be able to decompose numbers from 70-79 into tens and ones.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what numbers they already know. Briefly review counting from 1-69. Introduce the learning goal: to become experts with numbers 70-79.
  • Video Viewing (5 mins)
    Watch the 'Learn Grade 1 - Maths - Practicing 70 to 79' video. Encourage students to count along with the video and pay attention to the activities.
  • Counting Practice (10 mins)
    Practice counting from 70 to 79 as a class, both forwards and backwards. Use a number line as a visual aid. Have individual students take turns counting.
  • Missing Number Game (10 mins)
    Write a series of numbers on the board (e.g., 72, __, 74, __, 76). Have students fill in the missing numbers. Increase the difficulty by asking what number comes *before* or *after* a given number.
  • Tens and Ones Activity (10 mins)
    Using base ten blocks or drawings, demonstrate how numbers from 70 to 79 are composed of tens and ones (e.g., 73 is 7 tens and 3 ones). Have students represent different numbers using the blocks or drawings.
  • Wrap Up (5 mins)
    Review the key concepts: counting, identifying numbers, and tens/ones. Briefly introduce the concept of numbers after 79.

Interactive Exercises

  • Number Line Race
    Create a large number line on the floor. Call out a number between 70 and 79. Have students race to stand on that number.
  • Tens and Ones Bingo
    Create bingo cards with numbers from 70 to 79. Call out descriptions of tens and ones (e.g., '7 tens and 4 ones'). Students mark the corresponding number on their card.

Discussion Questions

  • What is your favorite number between 70 and 79? Why?
  • Can you think of anything you might have about 70 of (e.g. 70 crayons)?
  • If you are counting up, what number comes after 75? What number comes before 75?

Skills Developed

  • Number recognition
  • Counting skills
  • Place value understanding
  • Following directions

Multiple Choice Questions

Question 1:

What number comes after 72?

Correct Answer: 73

Question 2:

What number comes before 79?

Correct Answer: 78

Question 3:

How many tens are in the number 75?

Correct Answer: 7

Question 4:

Which number is bigger: 71 or 78?

Correct Answer: 78

Question 5:

What number is 7 tens and 0 ones?

Correct Answer: 70

Question 6:

Which of these numbers is the smallest?

Correct Answer: 72

Question 7:

Count backwards. What comes before 74?

Correct Answer: 73

Question 8:

What number is between 77 and 79?

Correct Answer: 78

Question 9:

Which number has 7 tens and 9 ones?

Correct Answer: 79

Question 10:

If you count from 70 to 79, how many numbers do you say?

Correct Answer: 10

Fill in the Blank Questions

Question 1:

7 tens and 3 ones is the number ____

Correct Answer: 73

Question 2:

The number that comes after 76 is ____

Correct Answer: 77

Question 3:

The number 70 has ____ tens and 0 ones.

Correct Answer: 7

Question 4:

____ comes before 71.

Correct Answer: 70

Question 5:

7 tens and 8 ones makes the number ____.

Correct Answer: 78

Question 6:

____ comes between 74 and 76.

Correct Answer: 75

Question 7:

If you have 77 cookies and eat one, you have ____ cookies left.

Correct Answer: 76

Question 8:

79 is the number with the most value between 70 and ____.

Correct Answer: 79

Question 9:

71 has one more than ____.

Correct Answer: 70

Question 10:

If you start at 70 and count by 1 until 72, how many numbers will you say after 70? ____

Correct Answer: 2

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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