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168 free courses & lectures available for Math Olympiad

Singapore Math: Grade 3a, Unit 1 (part 1)

by Khan Academy on Youtube Youtube
Duration: 0.26 hours
Objectives: Read and write numbers less than 10000. Relate each 4-digit number to its place value.
  
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Singapore Math: Grade 3a, Unit 1 (part 7)

by Khan Academy on Youtube Youtube
Duration: 0.22 hours
Place value, ordering numbers, number patterns.
  
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Singapore Math: Grade 3a, Unit 1 (part 8)

by Khan Academy on Youtube Youtube
Duration: 0.26 hours
More on number patterns with place value.
  
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Singapore Math: Grade 3a, Unit 1 (part 9)

by Khan Academy on Youtube Youtube
Duration: 0.3 hours
More number patterns with place value.
  
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Singapore Math: Grade 3a Unit 2 (part 1)

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
The sum of and difference between 2 numbers.
  
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Singapore Math: Grade 3a Unit 2 (part 3)

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
A man selling balloons at a carnival.
  
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Singapore Math: Grade 3a Unit 2 (part 5)

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
Adding 4 digit numbers.
  
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Singapore Math: Grade 3a Unit 2 (part 11)

by Khan Academy on Youtube Youtube
Duration: 0.2 hours
Some 2-step word problems.
  
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Solving systems of linear equations — Harder example | Math | New SAT | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.08 hours
Watch Sal work through a harder Solving systems of linear equations problem. Watch the next lesson: ...
  
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Key features of graphs — Basic example | Math | New SAT | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.06 hours
Watch Sal work through a basic Key features of graphs problem. Watch the next lesson: ...
  
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