Adding 10 with the Hundreds Chart!

Math Grades 1st Grade 5:47 Video
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Lesson Description

Learn how to easily add 10 to any number using a hundreds chart and discover the patterns that make adding 10 super easy!

Video Resource

Grade 1: Math Lesson # 89 Adding Ten To A Number

The Eagle's Nest - Our Online Classroom

Duration: 5:47
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Key Concepts

  • Hundreds chart
  • Adding 10
  • Number patterns
  • Place Value (Tens and Ones)

Learning Objectives

  • Students will be able to add 10 to a given number using a hundreds chart.
  • Students will be able to identify the pattern of adding 10 on a hundreds chart.
  • Students will be able to mentally add 10 to a number without counting, by recognizing the place value change.

Educator Instructions

  • Introduction (5 mins)
    Begin by reviewing the concept of a hundreds chart. Ask students what they notice about the numbers on the chart. Briefly discuss how the numbers increase as you move right and down.
  • Video Viewing (5 mins)
    Play the video 'Grade 1: Math Lesson # 89 Adding Ten To A Number'. Encourage students to follow along on their own hundreds charts (printed or drawn).
  • Guided Practice (10 mins)
    After the video, work through a few examples together as a class. Choose a number on the hundreds chart and ask students to add 10. Guide them to count down one row to find the answer. Emphasize the pattern of the ones place staying the same and the tens place increasing by one.
  • Independent Practice (10 mins)
    Give students a worksheet with a hundreds chart and a list of numbers. Ask them to add 10 to each number and write the answer. Encourage them to try to do it without counting, by using the pattern they observed.
  • Wrap-up (5 mins)
    Review the answers to the independent practice. Discuss the patterns they observed. Ask students to explain in their own words how adding 10 changes a number.

Interactive Exercises

  • Hundreds Chart Hop
    Call out a number and have students 'hop' to the number that is 10 more on a large hundreds chart displayed on the floor or wall.
  • Mystery Number
    Give students clues such as 'My number is 10 more than 25. What is my number?'

Discussion Questions

  • What happens to the number when we add 10?
  • Where does the number move on the hundreds chart when we add 10?
  • Can you think of a time when you might need to add 10 to something in real life?

Skills Developed

  • Addition
  • Number recognition
  • Pattern recognition
  • Place Value understanding

Multiple Choice Questions

Question 1:

What is 10 more than 5?

Correct Answer: 15

Question 2:

What number comes right below 23 on the hundreds chart?

Correct Answer: 33

Question 3:

If you add 10 to 12, what number will you get?

Correct Answer: 22

Question 4:

Which of these numbers is 10 more than 34?

Correct Answer: 44

Question 5:

What is 10 more than 61?

Correct Answer: 71

Question 6:

When you add 10, which number changes?

Correct Answer: The first number

Question 7:

If you start at 10 and keep adding 10, what is the next number?

Correct Answer: 20

Question 8:

I have 4. If I add 10, what number do I have now?

Correct Answer: 14

Question 9:

What number is 10 more than 85?

Correct Answer: 95

Question 10:

You have 21 stickers. If you get 10 more, how many stickers do you have?

Correct Answer: 31

Fill in the Blank Questions

Question 1:

10 more than 7 is ________.

Correct Answer: 17

Question 2:

If you add 10 to 25, you get ________.

Correct Answer: 35

Question 3:

The number right under 52 on the hundreds chart is ________.

Correct Answer: 62

Question 4:

30 plus 10 more is ________.

Correct Answer: 40

Question 5:

If you have 9 and add 10, you have ________.

Correct Answer: 19

Question 6:

When we add 10 to a number, only the number in the __________ place changes.

Correct Answer: tens

Question 7:

44 plus ________ equals 54.

Correct Answer: 10

Question 8:

Sixty-six. Ten more than sixty-six is ________.

Correct Answer: 76

Question 9:

I am twenty-one. Ten more than me is ________.

Correct Answer: 31

Question 10:

Adding 10 to a number is like moving __________ on a hundreds chart.

Correct Answer: down

Educational Standards

1.NBT.C.5:Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. 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.6:Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Teaching Materials

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