Friday, October 4, 2019

Moving along with math

Hi everyone!
We have been working hard in math, and there have been some big concepts we have been covering.  One of them is combinations of 10.  Understanding combinations of 10 (1+9, 2+8, etc..) is foundational as student begin to add larger numbers such as 20+80.  We use a mathematical model called a Tens Frame to help us visualize these combinations:



Using a Tens Frame can also help young mathematicians to "trust" certain numbers.  For example , when holding up 8 fingers (5 on one hand and 3 on the other), many children will count the five fingers on their hand ,then the 3 on the other- we want them to trust that their hand is five, the count one from there "5 - 6,7,8".  Tens Frames allow children to do this by trusting that if the whole frame is filled, then, using the above example, we can say "10 - 11, 12, 13, 14, 15" instead of counting every dot.  Of course, some children would see the 10 and 5 and immediately see that it is 15.

So, we have been playing games with Frame cards and exploring how many combination, such as odd and even numbers, look on these cards.
 Here are a few pictures of "Make 10's" concentration - a big hit!

Have a great week everyone!

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