认识小数
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Objective
1.结合具体情境理解小数的意义；会认、读、写不超过2位的小数。 2.借助“米、分米、厘米”“元、角、分”模型，沟通十进分数与小数的联系，感悟小数与整数的一致性，发展数感。
Part 1 of 4
Warm-up video
Khan Academy · 6:25Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The place value to the right of the ones place is called the tenths place, which represents fractions with a denominator of 10.
- 2
The number 235.4 can be written as a mixed number as 235 and 4/10, where 4 is in the tenths place.
- 3
The number 0.76 can be expressed as 7 tenths plus 6 hundredths, or as the fraction 76/100.
Part 3 of 4
Practice
7 questions
数字235.4中，数字4表示什么？
将0.76写成分数形式。
Part 4 of 4
Exit ticket
Quick comprehension check
“写出以下小数：二百三十五点四，零点七六。”
Sample answer included in the free materials
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