Asked by lily
temperature before change = 40 degrees
temperature change =up 7 degrees
identify the number model below that is correct. then cross out the incorrect model and complete the correct one.
40+7=? or 40+(-7)=?
temperature change =up 7 degrees
identify the number model below that is correct. then cross out the incorrect model and complete the correct one.
40+7=? or 40+(-7)=?
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