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Lesson Example Discussion Quiz: Class Homework

Example

Title: Subtraction

Grade: 2-a Lesson: S3-L2

Explanation: Here are some examples of the topic with images and steps in sequence.

Examples:

Example: 1a

If a restaurant uses, 12 of the 20 eggs they had purchased during the month, how many eggs were unused?

  • Number of eggs = 20

  • 12 eggs are used in restaurants.

  • Number of unused eggs = 20 - 12 = 8.
1a

.

Explanation: In the above problem, the number of eggs is 20, and 12 eggs are used in restaurants. The total number of unused eggs is 8.

Example: 2a

Jessica has 15 beads.7 beads are red and the rest are blue. How many blue beads does she have?

  • Number of beads Jessica had = 15

  • Number of red beads = 7

  • Number of blue beads have = 15 - 7 = 8.
2a

.

Explanation: In the above problem, Jessica has 15 beads, and 7 beads are red. The number of blue beads she has is 8.

Example: 3a

Find the difference of 24 and 18.

  • First number = 24

  • Second number = 18

  • The difference between numbers = 24 - 18 = 6
3a

.

Explanation: In the above problem, the first number is 24, and the second is 18. The difference between numbers is 6.

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