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"The Propagation of Sound" Various Sound PPT Courseware 2
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"Playing Harmonious Movements Together" grows up in the collective PPT (single tone and harmony in the first lesson)
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"Addition without Carry" PPT download of addition and subtraction within 100
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"Continuous Addition and Consecutive Subtraction" PPT courseware on addition and subtraction within 100
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"Addition and subtraction of 8 and 9" PPT on understanding and addition and subtraction of 6-10
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"How many numbers are added to 8 and 7" Carry addition within 20 PPT courseware 2
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"How Many Additions to 8, 7, 6" PPT download of carry addition within 20
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"Carry Addition" PPT courseware for addition and subtraction within 100
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"How many numbers are added to 8, 7, 6" PPT courseware for carry addition within 20
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"Addition and subtraction of 6 and 7" PPT on understanding and addition and subtraction of 6-10
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"Why are the flowers so red" PPT courseware
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"What is Electricity" Understanding Circuits PPT Courseware
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"What is Electricity" Understanding Circuits PPT Courseware
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"Why Wear Cotton Clothes to Keep You Warm" PPT courseware
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