Comparing Numbers within 100+P.S-Squirrel's Store
LET
学习内容:
Comparing Numbers within 100
Problem Solving -- Squirrel’s Store
Q: What’s this sign?
A: It’s an equal sign.
Five orange rings equals five purple rings, so there are as many orange rings as purple rings.
Q: What’s this sign?
A: It’s a less than sign.
Three orange rings is less than five purple rings, so there are less orange rings than purple rings.
Q: What’s this sign?
A: It’s a greater than sign.
Five orange rings is greater than three purple rings, so there are more orange rings than purple rings.
Q: Which one has fewer lights?
A: The left one has fewer lights.
Q: Which sign can we use?
A: We can use less than sign.
Q: Which one has more lights?
A: The left one has more lights.
Q: Which sign can we use?
A: We can use greater than sign.
Q: Which number is greater?
A: Number fifty-three is greater.
Q: Which sign can we use?
A: We can use greater than sign. Fifty-three is greater than thirty-five.
Q: Which number is fewer?
A: Number eighty-seven is fewer.
Q: Which sign can we use?
A: we can use less than sign. Eighty-seven is less than ninety-eight.
Squirrel’s Store
Q: How many peanuts will Mr.Elephant buy?
A: Ten, twenty, thirty, forty, fifty, Mr.Elephant will buy fifty peanuts.
Q: How many ears of corn will Mrs.Pig buy?
A: Ten, twenty, thirty, forty, fifty, sixty, Mrs.Pig will buy sixty ears of corn.
Q: How many seeds will the little birds buy?
A: Ten, twenty, the little birds will buy twenty seeds.
Q: How many bones will Mr.Dog take home?
A: Ten, twenty, thirty, Mr.Dog will take thirty bones home.
Q: How many carrots will the little rabbit buy?
A: Ten, twenty, the little rabbit will buy twenty carrots.
Q: How many acorns will Squirrel take home?
A: Ten, twenty, thirty, forty, Squirrel will take forty acorns home.
本课教学目标:
1.复习数字1-100,掌握>、、=的表达方式,并能将数字进行比较;
2.阅读数学小故事Squirrel’s Store,理解故事的大意,找到数学元素并解决其中的数学问题。
本课关键词:
equal,greater,less,than,peanuts,ears of corn,seeds,bones,carrots,acorns
课后练习:
1.语音作业--根据语音进行复习。
2.笔头作业--根据数学小故事Squirrel’s Store,完成下发的number chart。