We were using blue and green pegs on a coat hanger to show how the double number sentences can be represented visually eg 1+1=2, 2+2=4 etc. It gives us a visual picture of what is happening to the numbers as we add them together and we can see that the two sets of pegs are the same which is why they are called doubles.
We also had a shot of 100 chart app, locating numbers that contained the same number such as 3 and 7. We noticed they we in a line along the chart for numbers at the beginning and in a line down the chart for numbers at the end. We will talk more about 10s and 1s tomorrow.
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