2.NBT.8/NUMBERS AND OPERATIONS IN BASE TEN

Base Ten: Subtract any two- and three-digit numbers. Introduced (not tested) Add 10 to any number within 100 (tested) (tested) Task Analysis. 1.NBT.6 Subtract multiples of 10 in the range 10-90 using a variety of strategies; explain reasoning used. Learning Tasks: Skip count from any number by 10’s or 100’s within 1000. 2.NBT.8. Mentally ... ................
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