5.OA.3. Generate two numerical patterns using two given rules. Identify apparent relationships between corresponding terms. Form ordered pairs consisting of corresponding terms from the two patterns, and graph the ordered pairs on a coordinate plane. For example, given the rule “Add 3” and the starting number 0, and given the rule “Add 6” and the starting number 0, generate terms in the resulting sequences, and observe that the terms in one sequence are twice the corresponding terms in the other sequence. Explain informally why this is so.
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Ages: 8  14
7315 Views:

When Diffy opens, there are four black numbers placed at the corners of a black square. Your first goal is to fill in the four blanks in the blue circles in the middle of each side of the black square.
Start with any side of the black square and cli...ck in the blank in the blue circle on that side and type in the difference of the black numbers on that side (the larger black number less the smaller one). So if the black numbers on the top side of the black square were 7 and 12, we would type 5 (= 12 – 7) in the blue circle between the 7 and the 12.
Note: There are more directions on the right side.
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May 9, 2010 at 11:11 AM


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Ages: 11  17
2706 Views:

The students can use this description of some unconventional math to discuss the way that algebra works. This will allow them to explore the reasons that certain operations work or don't work in algebra. (01:19)
November 2, 2011 at 05:34 PM


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Ages: 8  14
2785 Views:

This virtual manipulative teaches recognition of number patterns.
Observe the initial numbers in a sequence and enter what you think remaining the remaining values in the pattern are. Click Check Answer to see if your answer matches the computer's a...nswer.
Click New Problem to try a new number sequence.
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May 9, 2010 at 12:46 PM


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Ages: 12  16
2353 Views:

Pascal's Triangle is a triangular arrangement of numbers constructed in such a way that every number in the interior of the triangle is the sum of the two numbers directly above it. It has a great many applications, including the coefficients of the ...expansion of a binomial expression or the number of ways to choose m objects from a group of n indistinguishable objects, or calculating the probabilities involved in flipping coin. This manipulative allows you to view a number of patterns in Pascal's triangle as well as create your own.
There are more instructions on the right side of the Java applet.
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May 17, 2010 at 10:20 PM


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Ages: 11  15
2115 Views:

Block Patterns – Analyze sequences of figures using pictures, tables, plots, and graphs. There are more instructions to the right of the manipulative.
May 17, 2010 at 11:10 PM


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Ages: 9  14
2484 Views:

This virtual manipulative can be used to visualize a sequence of operations on a number line and to create number sentences representing the operations. There are more instructions on the right side of the Java applet.
May 9, 2010 at 12:42 PM


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Ages: 10  15
1194 Views:

This is a 14page slide show that investigates a variety of number patterns and how to best discover their what their pattern is. Number patterns are all about prediction and recognizing number patterns is also an important problemsolving skill. A g...reat video for skill practice.
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July 10, 2009 at 07:26 PM
