Adding Numbers with Fruits and Number Lines!

Math Grades 1st Grade 3:53 Video
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Lesson Description

Learn how to add numbers up to 20 using fruits, number lines, and making groups of ten, just like in the Khan Academy video!

Video Resource

Adding 7 + 6 | Addition and subtraction within 20 | Early Math | Khan Academy

Khan Academy

Duration: 3:53
Watch on YouTube

Key Concepts

  • Adding numbers up to 20
  • Using objects (like fruits) to represent addition
  • Using a number line to add
  • Making a group of ten to help add

Learning Objectives

  • Students will be able to add numbers within 20 using objects.
  • Students will be able to add numbers within 20 using a number line.
  • Students will be able to use the 'make a ten' strategy to add numbers within 20.
  • Students will be able to identify the number of tens and ones in a number between 11 and 19.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what they already know about adding. Show them different types of fruit. Then, introduce the video from Khan Academy and explain they'll be learning new ways to add!
  • Video Viewing (7 mins)
    Play the Khan Academy video 'Adding 7 + 6' for the students. Encourage them to pay close attention to how the video uses fruits and a number line to add.
  • Discussion and Practice with Fruits (10 mins)
    After the video, review the concept of adding with fruits. Give each student a set of small objects (e.g., counters, blocks) to represent fruits. Pose addition problems like '5 apples + 4 bananas = ?' and have them use the objects to find the answer.
  • Number Line Activity (10 mins)
    Draw a large number line on the board or use pre-printed number lines. Practice adding using the number line. For example, start at 8 and add 5 by jumping along the number line. Have students take turns demonstrating additions on the number line.
  • 'Make a Ten' Strategy (8 mins)
    Explain the 'make a ten' strategy. Use the example from the video (7 + 6). Show how 7 + 3 = 10, then add the remaining 3 to get 13. Practice with other examples like 8 + 4, 9 + 5.

Interactive Exercises

  • Fruit Addition Worksheet
    Provide a worksheet with pictures of different fruits. Students will count the fruits and write the addition equation (e.g., 3 apples + 5 oranges = 8 fruits).
  • Number Line Race
    Divide the class into two teams. Give each team a number line and a set of addition problems. The first team to correctly solve all the problems using the number line wins.

Discussion Questions

  • What is your favorite way to add numbers?
  • Can you think of a time you used adding in your everyday life?
  • How does making a ten help you add faster?

Skills Developed

  • Addition within 20
  • Problem-solving
  • Visual representation of addition
  • Number sense

Multiple Choice Questions

Question 1:

What is 5 + 3?

Correct Answer: 8

Question 2:

If you have 4 apples and get 2 more, how many apples do you have?

Correct Answer: 6

Question 3:

What number comes next after 12 on the number line if you add 1?

Correct Answer: 13

Question 4:

What is 8 + 2?

Correct Answer: 10

Question 5:

If you start at 6 on the number line and jump 3 spaces forward, where do you land?

Correct Answer: 9

Question 6:

What is 9 + 1?

Correct Answer: 10

Question 7:

Which of these shows making a ten to add 8 + 5?

Correct Answer: 8 + 2 + 3

Question 8:

What two numbers make 10?

Correct Answer: 5 + 5

Question 9:

If you have one group of 10 and 3 extra ones, what number do you have?

Correct Answer: 13

Question 10:

What is 6 + 4?

Correct Answer: 10

Fill in the Blank Questions

Question 1:

7 + 3 = _____

Correct Answer: 10

Question 2:

On a number line, if you add, you jump to the _____.

Correct Answer: right

Question 3:

Making a _____ helps you add bigger numbers.

Correct Answer: ten

Question 4:

If you have 10 blocks and then get 4 more blocks, you have _____ blocks.

Correct Answer: 14

Question 5:

The answer to an addition problem is called the _____.

Correct Answer: sum

Question 6:

5 + 5 is the same as _____.

Correct Answer: 10

Question 7:

When adding 6 + 7, you can break the 7 into 4 + _____

Correct Answer: 3

Question 8:

The number 15 has one group of ten and _____ ones.

Correct Answer: 5

Question 9:

When you see the plus sign (+), you know you need to _____.

Correct Answer: add

Question 10:

4 + 6 = _____.

Correct Answer: 10

Educational Standards

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). CCSS.Math.Content.1.OA.A.1:Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. CCSS.Math.Content.1.NBT.B.2.B:The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

Teaching Materials

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