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| == Introduction == | | == Introduction == |
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| | 4.N.8 | | | 4.N.8 |
| | Select, use, and explain various meanings and models of multiplication and division of whole numbers. Understand and use the inverse relationship between the two operations. | | | Select, use, and explain various meanings and models of multiplication and division of whole numbers. Understand and use the inverse relationship between the two operations. |
− | | None | + | | [http://mrstevesscience.blogspot.com/2011/04/ways-to-multiply.html Steve Thomas] |
− | | None | + | | Etoys [http://mrstevesscience.blogspot.com/2011/04/ways-to-multiply.html] |
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| | 4.N.9 | | | 4.N.9 |
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| | Add and subtract (up to five-digit numbers) and multiply (up to three digits by two digits) accurately and efficiently. | | | Add and subtract (up to five-digit numbers) and multiply (up to three digits by two digits) accurately and efficiently. |
| | [[Team:UTOS-XO|UTOS-XO]] | | | [[Team:UTOS-XO|UTOS-XO]] |
− | | Tuxmaths | + | | [http://activities.sugarlabs.org/en-US/sugar/addon/4271 Tuxmaths] |
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| | 4.N.13 | | | 4.N.13 |
| | Divide up to a three-digit whole number with a single-digit divisor (with or without remainders) accurately and efficiently. Interpret any remainders. | | | Divide up to a three-digit whole number with a single-digit divisor (with or without remainders) accurately and efficiently. Interpret any remainders. |
| | [[Team:UTOS-XO|UTOS-XO]] | | | [[Team:UTOS-XO|UTOS-XO]] |
− | | None | + | | TurtleArt [http://tonyforster.blogspot.com/2011/04/turtle-division-drill.html] |
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| | 4.N.14 | | | 4.N.14 |
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| | Use concrete objects and visual models to add and subtract common fractions. | | | Use concrete objects and visual models to add and subtract common fractions. |
| | None | | | None |
− | | [[Activities/Abacus|Abacus]] (Caacupé abacus) | + | | [[Activities/Abacus|Abacus]] (Caacupé abacus) [[Activities/Abacus/Worksheet |Worksheet]] |
| |} | | |} |
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| | Classify outcomes as certain, likely, unlikely, or impossible by designing and conducting experiments using concrete objects such as counters, number cubes, spinners, or coins. | | | Classify outcomes as certain, likely, unlikely, or impossible by designing and conducting experiments using concrete objects such as counters, number cubes, spinners, or coins. |
| | None | | | None |
− | | TurtleArt [http://tonyforster.blogspot.com/2009/12/turtle-random.html 1] | + | | TurtleArt [http://tonyforster.blogspot.com/2009/12/turtle-random.html] , [http://tonyforster.blogspot.com/2011/04/turtleart-die-or-spinner.html] |
| |} | | |} |
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| [[Category:TODO]] | | [[Category:TODO]] |