I'm Bon Crowder and the photos above are both of me - in 1989 and today. I'm a Generation X mom of Generation Z kids.

I began peer tutoring in high school in 1984. MathFour.com is the 2015 version of me helping peers be comfortable in math.

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Tag Archives: patterns

Multiplication Facts – Sevens

I was working with a tutoring client yesterday and we were focusing on the multiplication facts with seven.

Instead of doing the basic chanting and quizzing, I decided to go a different route.

We looked at the patterns.

If you look at the last digit in the answers, you’ll see that every digit is represented:

We continued to play with the answers and watched for patterns for the first digits.

Then we looked at the multiplication facts from 11 through 20 using seven. The last digits on those followed the same pattern!

Does this help memorization of the multiplication facts?

Children feel the pressure of memorizing math facts. You can reduce this pressure by moving toward something more familiar or fun – like patterns.

My client will still have to perform well on the multiplication facts test. But hopefully the fun we had with them will stick with her through it.

How about you?

Do you play with numbers and math facts? Do you help your children see the fun?

Share your thoughts in the comments – and don’t forget to tweet it out too!

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6 Responses to Multiplication Facts – Sevens

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2 Responses to Rush Hour Traffic Jam Game

  1. I’ve been eyeing this game for a while now, contemplating playing it with my son. Now I want it for myself :) At the same time I’m very curious to see how my son approaches this game. So looks like we’ll be trying it out in the next few days.

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4 Responses to Wordless Wednesday: Fibonacci Baskets

  1. I see questions like this about baskets and think, hmmm, Excel could check that.


    Here is the spreadsheet if you are curious. It works out how many new sets to purchase for each additional number. As with fibonacci numbers, the number of needed sets grows quite rapidly! Need to buy 39 sets just to fill the 13th number. Total of 102 for all first 13 numbers.

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5 Responses to How Adding Evens and Odds is like Multiplying Positives and Negatives

  1. That’s it — you just noted the similarity of the two patterns and let it go at that? Have you looked a bit deeper at the phenomenon? The two patterns are actually related to a single, more general concept.

    This would make a terrific investigation for kids at some level of development. I’m not sure exactly which level, but I bet it’s lower than you’d suspect to still get an interesting and enlightening experience.

    • Actually, David, I don’t know what the underlying concept is. I actually didn’t even think there was one. Which is amazingly narrow minded for me. I guess sometimes I just take things as they are and let them be. I’ll think about it now that you’ve written it. (I prefer to think on it before I google it.) Thanks for prodding me to go further!

      I’m in favor of earlier is better – and it sounds like you are too. I rarely consider a concept too advanced for an age. Doing certain problems can be too advanced simply because of attention spans, vocabulary or stamina. But concepts are almost always perfect for kids who are x years old!

  2. Well, there you did it. You got my paper and pencil out.

    The “natural” extension of ‘POS x NEG = NEG‘ is NOPE. What is NOPE? It is ‘ODD number of NEG factors = NEG; EVEN number of NEG factors = POS’. (Try it.)

    So, along the same line, is ‘ODD number of ODD addends = ODD; EVEN number of ODD addends = EVEN‘ true in all cases?

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