Math: Please do the following problems. Include the base 10 picture (do this first). Then solve the problem by lining up the decimal points and subtracting. Your answers should come out the same using both strategies.
1) 3.21 - .69 =
2) 6.09 - 4.672=
3) 7.4 - .752 =
4) 16.32 - 3.653=
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