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Grade3 Mathematics Multiplication

I I 2   x   0   =    2   x   1   =    2   x   2   =   2   x   3   =    2   x   4   =    2   x   5   =    2   x   6   =    2   x   7   =   2   x   8   =    2   x   9   =     I I I I I 5   x   0   = 5   x   1   =   5   x   2   =   5   x   3   =   5   x   4   =   5   x   5   =   5   x   6   =   5   x   7   =   5   x   8   =          I I I I 4   x   0   = 4   x   1   =   4   x   2   =   4   x   3   =   4   x   4   =   4   x   5   =   4   x   6   =   4   x   7   =   4   x   8   =   4   x   9   =     Solve the following problems.   

Grade3 Mathmatics Subtraction

Make a number line using arrows that is represented by the equation below and solve the equation.                      39 - 17=

Grade3 Mathmataics Addition

The sum of 3 ten thousand, 4 hundred, and 2 tens can be expressed as what number in standard form?