To teach students where to place the decimal point for adding and subtracting decimals, have them place Frosty the Snowman's 3 buttons on the paper. Draw a line under the 2nd button. The 3rd button is for the answer. They write the problem around Frosty's buttons and then add or subtract the numbers. Remind them of the place values of the numbers to the left and to the right of Frosty's button.
FROSTY the Snowman: Adds/Subtracts decimals
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I thought that it was understood to be a "crutch" and not a replacement for teaching place value. Your helpful review is why I added that explanation to the process.
Dpe39534_1707868
May 30, 2020
This teaches the process only not the deep understanding of place value of decimals for addition and subtraction.
enanderj
October 25, 2018
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IF your child/student thinks that 20-16=16, this is the remedy for your visual learner
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