2nd grade math

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what is mental math and how does it work. the question is use mental math to find the missing numbers. look for the pattern in each chart.the chart ooks like eight boxes two rows of four, the filled in is 0,1,2,3,4the second row is empty, the second queston is make 6 two rows of four boxes the first munber in each is a 0 in the first row and 6 in the next row. how do you fill in the rest. thanks

  • 2nd grade math -

    Mental Math is math that you do inside your head.

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