math 4th grade

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Lance wants to find the total length of 3 boards. He uses the expression 3 1/2 + (2+ 4 1/2). How can Lance rewrite the expression using both the Associative and Commutative Properties of Addition?

  • math 4th grade -

    3 1/2 + (2+ 4 1/2)
    3 1/2 + 4 1/2 + 2
    3 + 1/2 + 2 + 4 + 1/2
    3+2+4 + 1/2 + 1/2
    9 + 1
    10

    or, you can rearrange the numbers in other ways.

  • math 4th grade -

    18

  • math 4th grade -

    I do not like publishing apple party for the denumerator in the professor in the donald trump in the apple fest with the banana mascot in the principal drunk driver in the airplane on the diving board on the fraction middle child is with the same mixed number in the opposite apple sausage fraction, I like Apples.....

  • math 4th grade -

    12+12=35

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