Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Addition |
Grade: 2-a Lesson: S1-L5 |
Explanation: Here are some examples of the topic with images and steps in sequence. |
Examples:
Example: 1a There are 15 books on the first shelf and 14 books on the second shelf. How many books are there in total? |
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Explanation: In the above problem, the number of books on the first shelf is 15 and the number of books on the second shelf is 14. Therefore, the total number of books on two shelves is 15 + 14 = 29. |
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Example: 2a 20 girls and 15 boys took part in an art competition. How many students took part in the competition altogether? |
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Explanation: In the above problem, the number of girls who took part in the art competition is 20 and the number of boys who took part in the art competition is 15. Therefore, the total number of students took part in art competition are 20 + 15 = 35 |
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Example: 3a Tim sold 33 balloons on Friday and 22 balloons on Saturday. How many balloons did she sell in two days? |
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Explanation: In the above problem, the number of balloons sold by Tim on Friday is 33 and the number of balloons sold by Tim on Saturday is 22. Therefore, the number of balloons sold by Tim in two days is 33 + 22 = 55 |
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