Doubles Fact - Addition fact in which a number is added to itself. For example, 1+1, 2+2, also called a double., Number Bond - Shows the relationship between the whole and the parts; the parts are put together to make the whole. , Count Back - A strategy used to solve a subtraction problem in which you count backwards to find the difference. , Addend - A number that is added to another number. , Subtraction - To take away a number from another number., Commutative Property - Being able to move the numbers around before the equal sign., Addition Fact - Something that we know is true in addition (0+1=1, 1+1=2),

Module 2 Math Vocabulary

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