Home : 2002 : September : 8
rounding
By bebe
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stacy, as you know the students must know their place value position really well. i always made up a silly backwards sentence to help them.. old teachers mildew big time. each front letter stands for the place value periods.
after| i was sure that my students mastered this , i went to rounding. i always did the same thing every time. step one.find your place value position. step two. draw a line under the place that you will keep or change. step three. draw an arrow from the boss to the underlined no. step four. if the boss is five or higher go up one.(otherwise keep the no. the same.) | |
step five. turn the boss and his buddies into zeros, making sure that you keep the whole no. in front.
this always worked for me..... good luck!!
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