声音简介
2.
How many blocks all together in the picture below?
There are _____ blocks _____ ____________.
Compare the sum of 4 and 5 with the number 10.
The sum of 4 and 5 is _____ _____ 10.
(greater than/ less than / equals)
What other sum equals 15?
The _____ of ___ and ____ equals _____.
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- 2018-12
- 2018-12
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- 2018-11
- 2018-11
- 2018-11
- 2018-11
- 2018-11
- 2018-11
- 2018-11
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